/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:36:06,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:36:06,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:36:06,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:36:06,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:36:06,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:36:06,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:36:06,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:36:06,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:36:06,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:36:06,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:36:06,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:36:06,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:36:06,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:36:06,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:36:06,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:36:06,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:36:06,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:36:06,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:36:06,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:36:06,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:36:06,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:36:06,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:36:06,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:36:06,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:36:06,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:36:06,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:36:06,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:36:06,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:36:06,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:36:06,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:36:06,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:36:06,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:36:06,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:36:06,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:36:06,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:36:06,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:36:06,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:36:06,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:36:06,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:36:06,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:36:06,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:36:06,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:36:06,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:36:06,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:36:06,605 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:36:06,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:36:06,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:36:06,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:36:06,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:36:06,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:36:06,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:36:06,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:36:06,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:36:06,607 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:36:06,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:36:06,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:36:06,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:36:06,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:36:06,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:36:06,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:36:06,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:36:06,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:36:06,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:36:06,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:36:06,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:36:06,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:36:06,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:36:06,609 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:36:06,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:36:06,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:36:06,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:36:06,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:36:06,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:36:06,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:36:06,864 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:36:06,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2022-09-16 10:36:06,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d1d3f61/79b0fa31c1ee408cab19ae63f6e9e915/FLAG0bdf13fca [2022-09-16 10:36:07,450 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:36:07,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2022-09-16 10:36:07,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d1d3f61/79b0fa31c1ee408cab19ae63f6e9e915/FLAG0bdf13fca [2022-09-16 10:36:07,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d1d3f61/79b0fa31c1ee408cab19ae63f6e9e915 [2022-09-16 10:36:07,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:36:07,740 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:36:07,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:36:07,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:36:07,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:36:07,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:36:07" (1/1) ... [2022-09-16 10:36:07,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f57be59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:07, skipping insertion in model container [2022-09-16 10:36:07,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:36:07" (1/1) ... [2022-09-16 10:36:07,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:36:07,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:36:07,955 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-09-16 10:36:08,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i[75002,75015] [2022-09-16 10:36:08,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:36:08,356 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:36:08,377 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-09-16 10:36:08,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i[75002,75015] [2022-09-16 10:36:08,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:36:08,545 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:36:08,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08 WrapperNode [2022-09-16 10:36:08,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:36:08,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:36:08,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:36:08,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:36:08,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,611 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-09-16 10:36:08,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:36:08,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:36:08,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:36:08,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:36:08,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:36:08,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:36:08,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:36:08,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:36:08,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:36:08,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:36:08,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 10:36:08,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 10:36:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:36:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:36:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:36:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:36:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 10:36:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:36:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-09-16 10:36:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:36:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:36:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-09-16 10:36:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-09-16 10:36:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:36:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:36:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:36:08,736 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:36:09,000 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:36:09,002 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:36:09,207 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:36:09,247 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:36:09,247 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:36:09,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:36:09 BoogieIcfgContainer [2022-09-16 10:36:09,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:36:09,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:36:09,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:36:09,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:36:09,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:36:07" (1/3) ... [2022-09-16 10:36:09,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27125b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:36:09, skipping insertion in model container [2022-09-16 10:36:09,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (2/3) ... [2022-09-16 10:36:09,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27125b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:36:09, skipping insertion in model container [2022-09-16 10:36:09,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:36:09" (3/3) ... [2022-09-16 10:36:09,262 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2022-09-16 10:36:09,273 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:36:09,280 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:36:09,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-09-16 10:36:09,280 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:36:09,353 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-16 10:36:09,395 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 173 places, 173 transitions, 362 flow [2022-09-16 10:36:09,878 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12442 states, 12426 states have (on average 2.8709962980846613) internal successors, (35675), 12441 states have internal predecessors, (35675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:09,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:36:09,904 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@73788ef7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:36:09,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-09-16 10:36:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 12442 states, 12426 states have (on average 2.8709962980846613) internal successors, (35675), 12441 states have internal predecessors, (35675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-09-16 10:36:09,959 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:09,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:09,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:09,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:09,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1131939205, now seen corresponding path program 1 times [2022-09-16 10:36:09,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:09,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263034748] [2022-09-16 10:36:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:09,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:10,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:10,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263034748] [2022-09-16 10:36:10,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263034748] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:10,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:10,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:36:10,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593903511] [2022-09-16 10:36:10,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:10,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:36:10,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:10,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:36:10,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:36:10,997 INFO L87 Difference]: Start difference. First operand has 12442 states, 12426 states have (on average 2.8709962980846613) internal successors, (35675), 12441 states have internal predecessors, (35675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 15 states, 14 states have (on average 4.0) internal successors, (56), 15 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:12,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:12,528 INFO L93 Difference]: Finished difference Result 15153 states and 42238 transitions. [2022-09-16 10:36:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-09-16 10:36:12,537 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.0) internal successors, (56), 15 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-09-16 10:36:12,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:12,651 INFO L225 Difference]: With dead ends: 15153 [2022-09-16 10:36:12,651 INFO L226 Difference]: Without dead ends: 14957 [2022-09-16 10:36:12,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=595, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:36:12,656 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 748 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:12,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1383 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:36:12,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14957 states. [2022-09-16 10:36:13,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14957 to 12541. [2022-09-16 10:36:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12541 states, 12509 states have (on average 2.838276440962507) internal successors, (35504), 12540 states have internal predecessors, (35504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12541 states to 12541 states and 35504 transitions. [2022-09-16 10:36:13,420 INFO L78 Accepts]: Start accepts. Automaton has 12541 states and 35504 transitions. Word has length 56 [2022-09-16 10:36:13,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:13,423 INFO L495 AbstractCegarLoop]: Abstraction has 12541 states and 35504 transitions. [2022-09-16 10:36:13,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.0) internal successors, (56), 15 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:13,424 INFO L276 IsEmpty]: Start isEmpty. Operand 12541 states and 35504 transitions. [2022-09-16 10:36:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:36:13,433 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:13,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:13,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:36:13,434 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:13,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:13,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1263226524, now seen corresponding path program 1 times [2022-09-16 10:36:13,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:13,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553448368] [2022-09-16 10:36:13,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:13,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:13,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:13,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553448368] [2022-09-16 10:36:13,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553448368] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:13,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:13,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:36:13,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106698151] [2022-09-16 10:36:13,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:13,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:36:13,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:13,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:36:13,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:36:13,923 INFO L87 Difference]: Start difference. First operand 12541 states and 35504 transitions. Second operand has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:15,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:15,335 INFO L93 Difference]: Finished difference Result 15942 states and 44535 transitions. [2022-09-16 10:36:15,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:36:15,336 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-09-16 10:36:15,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:15,411 INFO L225 Difference]: With dead ends: 15942 [2022-09-16 10:36:15,411 INFO L226 Difference]: Without dead ends: 15746 [2022-09-16 10:36:15,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=298, Invalid=824, Unknown=0, NotChecked=0, Total=1122 [2022-09-16 10:36:15,413 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1207 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:15,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 1633 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:36:15,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15746 states. [2022-09-16 10:36:15,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15746 to 12741. [2022-09-16 10:36:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12741 states, 12709 states have (on average 2.8401919899283974) internal successors, (36096), 12740 states have internal predecessors, (36096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:16,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12741 states to 12741 states and 36096 transitions. [2022-09-16 10:36:16,015 INFO L78 Accepts]: Start accepts. Automaton has 12741 states and 36096 transitions. Word has length 61 [2022-09-16 10:36:16,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:16,016 INFO L495 AbstractCegarLoop]: Abstraction has 12741 states and 36096 transitions. [2022-09-16 10:36:16,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 12741 states and 36096 transitions. [2022-09-16 10:36:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:36:16,020 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:16,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:16,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:36:16,021 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:16,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:16,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1461633152, now seen corresponding path program 2 times [2022-09-16 10:36:16,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:16,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093109438] [2022-09-16 10:36:16,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:16,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:16,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:16,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:16,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093109438] [2022-09-16 10:36:16,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093109438] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:16,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:16,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:36:16,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060755222] [2022-09-16 10:36:16,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:16,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:36:16,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:16,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:36:16,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:36:16,455 INFO L87 Difference]: Start difference. First operand 12741 states and 36096 transitions. Second operand has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:17,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:17,948 INFO L93 Difference]: Finished difference Result 16092 states and 44979 transitions. [2022-09-16 10:36:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:36:17,949 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-09-16 10:36:17,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:18,114 INFO L225 Difference]: With dead ends: 16092 [2022-09-16 10:36:18,115 INFO L226 Difference]: Without dead ends: 15896 [2022-09-16 10:36:18,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=296, Invalid=826, Unknown=0, NotChecked=0, Total=1122 [2022-09-16 10:36:18,118 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1311 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:18,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 1803 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:36:18,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15896 states. [2022-09-16 10:36:18,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15896 to 12666. [2022-09-16 10:36:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12666 states, 12634 states have (on average 2.839480766186481) internal successors, (35874), 12665 states have internal predecessors, (35874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12666 states to 12666 states and 35874 transitions. [2022-09-16 10:36:18,499 INFO L78 Accepts]: Start accepts. Automaton has 12666 states and 35874 transitions. Word has length 61 [2022-09-16 10:36:18,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:18,500 INFO L495 AbstractCegarLoop]: Abstraction has 12666 states and 35874 transitions. [2022-09-16 10:36:18,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:18,500 INFO L276 IsEmpty]: Start isEmpty. Operand 12666 states and 35874 transitions. [2022-09-16 10:36:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:36:18,502 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:18,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:18,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:36:18,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:18,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:18,504 INFO L85 PathProgramCache]: Analyzing trace with hash -433320416, now seen corresponding path program 3 times [2022-09-16 10:36:18,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:18,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095008187] [2022-09-16 10:36:18,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:18,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:19,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:19,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095008187] [2022-09-16 10:36:19,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095008187] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:19,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:19,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:36:19,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632777249] [2022-09-16 10:36:19,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:19,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:36:19,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:19,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:36:19,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:36:19,005 INFO L87 Difference]: Start difference. First operand 12666 states and 35874 transitions. Second operand has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:20,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:20,460 INFO L93 Difference]: Finished difference Result 15992 states and 44683 transitions. [2022-09-16 10:36:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:36:20,461 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-09-16 10:36:20,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:20,525 INFO L225 Difference]: With dead ends: 15992 [2022-09-16 10:36:20,525 INFO L226 Difference]: Without dead ends: 15796 [2022-09-16 10:36:20,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2022-09-16 10:36:20,533 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1318 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:20,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 1801 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:36:20,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2022-09-16 10:36:20,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 12641. [2022-09-16 10:36:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12641 states, 12609 states have (on average 2.8392418114045523) internal successors, (35800), 12640 states have internal predecessors, (35800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:21,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12641 states to 12641 states and 35800 transitions. [2022-09-16 10:36:21,036 INFO L78 Accepts]: Start accepts. Automaton has 12641 states and 35800 transitions. Word has length 61 [2022-09-16 10:36:21,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:21,037 INFO L495 AbstractCegarLoop]: Abstraction has 12641 states and 35800 transitions. [2022-09-16 10:36:21,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 12641 states and 35800 transitions. [2022-09-16 10:36:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:36:21,040 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:21,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:21,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:36:21,042 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:21,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:21,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1298141406, now seen corresponding path program 4 times [2022-09-16 10:36:21,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:21,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092186192] [2022-09-16 10:36:21,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:21,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:21,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:21,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092186192] [2022-09-16 10:36:21,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092186192] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:21,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:21,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:36:21,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027626250] [2022-09-16 10:36:21,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:21,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:36:21,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:21,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:36:21,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:36:21,429 INFO L87 Difference]: Start difference. First operand 12641 states and 35800 transitions. Second operand has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:22,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:22,790 INFO L93 Difference]: Finished difference Result 15667 states and 43746 transitions. [2022-09-16 10:36:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:36:22,791 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-09-16 10:36:22,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:22,841 INFO L225 Difference]: With dead ends: 15667 [2022-09-16 10:36:22,841 INFO L226 Difference]: Without dead ends: 15471 [2022-09-16 10:36:22,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=296, Invalid=826, Unknown=0, NotChecked=0, Total=1122 [2022-09-16 10:36:22,842 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1307 mSDsluCounter, 1662 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 1809 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:22,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1307 Valid, 1809 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:36:22,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15471 states. [2022-09-16 10:36:23,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15471 to 12466. [2022-09-16 10:36:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12466 states, 12434 states have (on average 2.837542222937108) internal successors, (35282), 12465 states have internal predecessors, (35282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:23,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12466 states to 12466 states and 35282 transitions. [2022-09-16 10:36:23,289 INFO L78 Accepts]: Start accepts. Automaton has 12466 states and 35282 transitions. Word has length 61 [2022-09-16 10:36:23,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:23,290 INFO L495 AbstractCegarLoop]: Abstraction has 12466 states and 35282 transitions. [2022-09-16 10:36:23,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.388888888888889) internal successors, (61), 19 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 12466 states and 35282 transitions. [2022-09-16 10:36:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:36:23,292 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:23,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:23,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:36:23,292 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:23,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:23,293 INFO L85 PathProgramCache]: Analyzing trace with hash 917909606, now seen corresponding path program 1 times [2022-09-16 10:36:23,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:23,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994742751] [2022-09-16 10:36:23,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:23,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:23,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:23,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994742751] [2022-09-16 10:36:23,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994742751] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:23,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:23,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:36:23,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913574959] [2022-09-16 10:36:23,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:23,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:36:23,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:23,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:36:23,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:36:23,653 INFO L87 Difference]: Start difference. First operand 12466 states and 35282 transitions. Second operand has 19 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 19 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:24,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:24,795 INFO L93 Difference]: Finished difference Result 15439 states and 43122 transitions. [2022-09-16 10:36:24,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:36:24,796 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 19 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-09-16 10:36:24,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:24,844 INFO L225 Difference]: With dead ends: 15439 [2022-09-16 10:36:24,844 INFO L226 Difference]: Without dead ends: 15238 [2022-09-16 10:36:24,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=300, Invalid=822, Unknown=0, NotChecked=0, Total=1122 [2022-09-16 10:36:24,845 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 890 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:24,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 1597 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:36:24,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15238 states. [2022-09-16 10:36:25,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15238 to 12982. [2022-09-16 10:36:25,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12982 states, 12950 states have (on average 2.8393050193050193) internal successors, (36769), 12981 states have internal predecessors, (36769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12982 states to 12982 states and 36769 transitions. [2022-09-16 10:36:25,279 INFO L78 Accepts]: Start accepts. Automaton has 12982 states and 36769 transitions. Word has length 62 [2022-09-16 10:36:25,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:25,279 INFO L495 AbstractCegarLoop]: Abstraction has 12982 states and 36769 transitions. [2022-09-16 10:36:25,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 19 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:25,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12982 states and 36769 transitions. [2022-09-16 10:36:25,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-09-16 10:36:25,283 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:25,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:25,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 10:36:25,284 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:25,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:25,284 INFO L85 PathProgramCache]: Analyzing trace with hash -2081793087, now seen corresponding path program 1 times [2022-09-16 10:36:25,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:25,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312419884] [2022-09-16 10:36:25,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:25,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:25,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:25,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312419884] [2022-09-16 10:36:25,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312419884] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:25,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:25,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:36:25,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584025342] [2022-09-16 10:36:25,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:25,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-09-16 10:36:25,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:25,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-09-16 10:36:25,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-09-16 10:36:25,706 INFO L87 Difference]: Start difference. First operand 12982 states and 36769 transitions. Second operand has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:26,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:26,802 INFO L93 Difference]: Finished difference Result 16043 states and 44888 transitions. [2022-09-16 10:36:26,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:36:26,803 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-09-16 10:36:26,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:26,850 INFO L225 Difference]: With dead ends: 16043 [2022-09-16 10:36:26,851 INFO L226 Difference]: Without dead ends: 15854 [2022-09-16 10:36:26,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2022-09-16 10:36:26,852 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1010 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:26,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1010 Valid, 1727 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:36:26,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15854 states. [2022-09-16 10:36:27,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15854 to 13046. [2022-09-16 10:36:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13046 states, 13014 states have (on average 2.8400952820039955) internal successors, (36961), 13045 states have internal predecessors, (36961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13046 states to 13046 states and 36961 transitions. [2022-09-16 10:36:27,212 INFO L78 Accepts]: Start accepts. Automaton has 13046 states and 36961 transitions. Word has length 65 [2022-09-16 10:36:27,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:27,212 INFO L495 AbstractCegarLoop]: Abstraction has 13046 states and 36961 transitions. [2022-09-16 10:36:27,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:27,213 INFO L276 IsEmpty]: Start isEmpty. Operand 13046 states and 36961 transitions. [2022-09-16 10:36:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-09-16 10:36:27,215 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:27,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:27,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 10:36:27,215 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:27,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:27,216 INFO L85 PathProgramCache]: Analyzing trace with hash 964166241, now seen corresponding path program 1 times [2022-09-16 10:36:27,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:27,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486824112] [2022-09-16 10:36:27,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:27,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:27,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:27,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486824112] [2022-09-16 10:36:27,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486824112] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:27,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:27,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:36:27,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550895295] [2022-09-16 10:36:27,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:27,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-09-16 10:36:27,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:27,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-09-16 10:36:27,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-09-16 10:36:27,638 INFO L87 Difference]: Start difference. First operand 13046 states and 36961 transitions. Second operand has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:28,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:28,656 INFO L93 Difference]: Finished difference Result 17125 states and 47979 transitions. [2022-09-16 10:36:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:36:28,657 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-09-16 10:36:28,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:28,691 INFO L225 Difference]: With dead ends: 17125 [2022-09-16 10:36:28,691 INFO L226 Difference]: Without dead ends: 16941 [2022-09-16 10:36:28,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2022-09-16 10:36:28,692 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1198 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:28,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 1776 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:36:28,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16941 states. [2022-09-16 10:36:28,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16941 to 13159. [2022-09-16 10:36:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13159 states, 13127 states have (on average 2.8414717757294126) internal successors, (37300), 13158 states have internal predecessors, (37300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13159 states to 13159 states and 37300 transitions. [2022-09-16 10:36:29,042 INFO L78 Accepts]: Start accepts. Automaton has 13159 states and 37300 transitions. Word has length 65 [2022-09-16 10:36:29,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:29,042 INFO L495 AbstractCegarLoop]: Abstraction has 13159 states and 37300 transitions. [2022-09-16 10:36:29,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 13159 states and 37300 transitions. [2022-09-16 10:36:29,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-09-16 10:36:29,045 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:29,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:29,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-16 10:36:29,045 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:29,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:29,046 INFO L85 PathProgramCache]: Analyzing trace with hash 396082453, now seen corresponding path program 2 times [2022-09-16 10:36:29,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:29,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344094712] [2022-09-16 10:36:29,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:29,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:29,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:29,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344094712] [2022-09-16 10:36:29,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344094712] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:29,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:29,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:36:29,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771032067] [2022-09-16 10:36:29,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:29,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-09-16 10:36:29,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:29,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-09-16 10:36:29,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-09-16 10:36:29,490 INFO L87 Difference]: Start difference. First operand 13159 states and 37300 transitions. Second operand has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:30,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:30,392 INFO L93 Difference]: Finished difference Result 16262 states and 45545 transitions. [2022-09-16 10:36:30,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:36:30,392 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-09-16 10:36:30,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:30,422 INFO L225 Difference]: With dead ends: 16262 [2022-09-16 10:36:30,422 INFO L226 Difference]: Without dead ends: 16073 [2022-09-16 10:36:30,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2022-09-16 10:36:30,423 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1019 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:30,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 1722 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:36:30,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16073 states. [2022-09-16 10:36:30,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16073 to 13144. [2022-09-16 10:36:30,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13144 states, 13112 states have (on average 2.8412904209884076) internal successors, (37255), 13143 states have internal predecessors, (37255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13144 states to 13144 states and 37255 transitions. [2022-09-16 10:36:30,742 INFO L78 Accepts]: Start accepts. Automaton has 13144 states and 37255 transitions. Word has length 65 [2022-09-16 10:36:30,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:30,743 INFO L495 AbstractCegarLoop]: Abstraction has 13144 states and 37255 transitions. [2022-09-16 10:36:30,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 13144 states and 37255 transitions. [2022-09-16 10:36:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-09-16 10:36:30,745 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:30,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:30,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-09-16 10:36:30,746 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:30,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:30,746 INFO L85 PathProgramCache]: Analyzing trace with hash -430065765, now seen corresponding path program 3 times [2022-09-16 10:36:30,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:30,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276037185] [2022-09-16 10:36:30,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:30,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:31,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:31,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:31,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276037185] [2022-09-16 10:36:31,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276037185] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:31,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:31,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:36:31,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531175778] [2022-09-16 10:36:31,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:31,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-09-16 10:36:31,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:31,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-09-16 10:36:31,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-09-16 10:36:31,203 INFO L87 Difference]: Start difference. First operand 13144 states and 37255 transitions. Second operand has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:32,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:32,243 INFO L93 Difference]: Finished difference Result 16085 states and 45022 transitions. [2022-09-16 10:36:32,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-09-16 10:36:32,243 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-09-16 10:36:32,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:32,272 INFO L225 Difference]: With dead ends: 16085 [2022-09-16 10:36:32,273 INFO L226 Difference]: Without dead ends: 15896 [2022-09-16 10:36:32,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=302, Invalid=820, Unknown=0, NotChecked=0, Total=1122 [2022-09-16 10:36:32,274 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 964 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:32,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 1668 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:36:32,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15896 states. [2022-09-16 10:36:32,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15896 to 13022. [2022-09-16 10:36:32,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13022 states, 12990 states have (on average 2.8397998460354117) internal successors, (36889), 13021 states have internal predecessors, (36889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:32,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13022 states to 13022 states and 36889 transitions. [2022-09-16 10:36:32,558 INFO L78 Accepts]: Start accepts. Automaton has 13022 states and 36889 transitions. Word has length 65 [2022-09-16 10:36:32,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:32,558 INFO L495 AbstractCegarLoop]: Abstraction has 13022 states and 36889 transitions. [2022-09-16 10:36:32,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 13022 states and 36889 transitions. [2022-09-16 10:36:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-09-16 10:36:32,560 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:32,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:32,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-09-16 10:36:32,560 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:32,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:32,560 INFO L85 PathProgramCache]: Analyzing trace with hash -480754309, now seen corresponding path program 2 times [2022-09-16 10:36:32,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:32,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390022070] [2022-09-16 10:36:32,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:32,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:32,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:32,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390022070] [2022-09-16 10:36:32,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390022070] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:32,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:32,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:36:32,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634570795] [2022-09-16 10:36:32,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:32,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-09-16 10:36:32,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:32,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-09-16 10:36:32,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2022-09-16 10:36:32,986 INFO L87 Difference]: Start difference. First operand 13022 states and 36889 transitions. Second operand has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:34,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:34,034 INFO L93 Difference]: Finished difference Result 16018 states and 44766 transitions. [2022-09-16 10:36:34,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-09-16 10:36:34,034 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-09-16 10:36:34,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:34,072 INFO L225 Difference]: With dead ends: 16018 [2022-09-16 10:36:34,072 INFO L226 Difference]: Without dead ends: 15834 [2022-09-16 10:36:34,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=300, Invalid=822, Unknown=0, NotChecked=0, Total=1122 [2022-09-16 10:36:34,074 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1024 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:34,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1024 Valid, 1725 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:36:34,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15834 states. [2022-09-16 10:36:34,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15834 to 12934. [2022-09-16 10:36:34,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12934 states, 12902 states have (on average 2.838707177181832) internal successors, (36625), 12933 states have internal predecessors, (36625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12934 states to 12934 states and 36625 transitions. [2022-09-16 10:36:34,376 INFO L78 Accepts]: Start accepts. Automaton has 12934 states and 36625 transitions. Word has length 65 [2022-09-16 10:36:34,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:34,376 INFO L495 AbstractCegarLoop]: Abstraction has 12934 states and 36625 transitions. [2022-09-16 10:36:34,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 12934 states and 36625 transitions. [2022-09-16 10:36:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:36:34,379 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:34,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:34,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-09-16 10:36:34,380 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:34,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:34,380 INFO L85 PathProgramCache]: Analyzing trace with hash 721908470, now seen corresponding path program 1 times [2022-09-16 10:36:34,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:34,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18632708] [2022-09-16 10:36:34,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:34,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:34,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:34,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18632708] [2022-09-16 10:36:34,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18632708] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:34,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:34,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-16 10:36:34,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422174555] [2022-09-16 10:36:34,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:34,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-16 10:36:34,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:34,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-16 10:36:34,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:36:34,553 INFO L87 Difference]: Start difference. First operand 12934 states and 36625 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:35,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:35,459 INFO L93 Difference]: Finished difference Result 24370 states and 68533 transitions. [2022-09-16 10:36:35,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:36:35,460 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:36:35,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:35,525 INFO L225 Difference]: With dead ends: 24370 [2022-09-16 10:36:35,525 INFO L226 Difference]: Without dead ends: 23908 [2022-09-16 10:36:35,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:35,526 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 548 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 2079 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:35,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 2079 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:36:35,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23908 states. [2022-09-16 10:36:35,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23908 to 15526. [2022-09-16 10:36:35,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15526 states, 15494 states have (on average 2.849683748547825) internal successors, (44153), 15525 states have internal predecessors, (44153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15526 states to 15526 states and 44153 transitions. [2022-09-16 10:36:35,948 INFO L78 Accepts]: Start accepts. Automaton has 15526 states and 44153 transitions. Word has length 66 [2022-09-16 10:36:35,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:35,948 INFO L495 AbstractCegarLoop]: Abstraction has 15526 states and 44153 transitions. [2022-09-16 10:36:35,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 15526 states and 44153 transitions. [2022-09-16 10:36:35,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:36:35,951 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:35,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:35,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-09-16 10:36:35,951 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:35,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:35,952 INFO L85 PathProgramCache]: Analyzing trace with hash -111174832, now seen corresponding path program 2 times [2022-09-16 10:36:35,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:35,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27140110] [2022-09-16 10:36:35,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:35,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:36,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:36,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27140110] [2022-09-16 10:36:36,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27140110] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:36,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:36,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-16 10:36:36,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638690779] [2022-09-16 10:36:36,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:36,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-16 10:36:36,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:36,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-16 10:36:36,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:36:36,135 INFO L87 Difference]: Start difference. First operand 15526 states and 44153 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:36,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:36,751 INFO L93 Difference]: Finished difference Result 24529 states and 68951 transitions. [2022-09-16 10:36:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:36:36,751 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:36:36,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:36,802 INFO L225 Difference]: With dead ends: 24529 [2022-09-16 10:36:36,803 INFO L226 Difference]: Without dead ends: 24222 [2022-09-16 10:36:36,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:36:36,804 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 612 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:36,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 2122 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:36:36,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24222 states. [2022-09-16 10:36:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24222 to 15526. [2022-09-16 10:36:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15526 states, 15494 states have (on average 2.849683748547825) internal successors, (44153), 15525 states have internal predecessors, (44153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15526 states to 15526 states and 44153 transitions. [2022-09-16 10:36:37,226 INFO L78 Accepts]: Start accepts. Automaton has 15526 states and 44153 transitions. Word has length 66 [2022-09-16 10:36:37,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:37,226 INFO L495 AbstractCegarLoop]: Abstraction has 15526 states and 44153 transitions. [2022-09-16 10:36:37,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 15526 states and 44153 transitions. [2022-09-16 10:36:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:36:37,228 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:37,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:37,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-09-16 10:36:37,229 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:37,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:37,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2104177772, now seen corresponding path program 3 times [2022-09-16 10:36:37,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:37,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746148133] [2022-09-16 10:36:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:37,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:37,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:37,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746148133] [2022-09-16 10:36:37,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746148133] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:37,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:37,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-16 10:36:37,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183982535] [2022-09-16 10:36:37,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:37,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-16 10:36:37,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:37,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-16 10:36:37,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:36:37,462 INFO L87 Difference]: Start difference. First operand 15526 states and 44153 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:38,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:38,215 INFO L93 Difference]: Finished difference Result 27360 states and 76927 transitions. [2022-09-16 10:36:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 10:36:38,215 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:36:38,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:38,274 INFO L225 Difference]: With dead ends: 27360 [2022-09-16 10:36:38,274 INFO L226 Difference]: Without dead ends: 26898 [2022-09-16 10:36:38,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:38,274 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 603 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 2158 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:38,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 2158 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:36:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26898 states. [2022-09-16 10:36:38,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26898 to 15526. [2022-09-16 10:36:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15526 states, 15494 states have (on average 2.849683748547825) internal successors, (44153), 15525 states have internal predecessors, (44153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15526 states to 15526 states and 44153 transitions. [2022-09-16 10:36:38,639 INFO L78 Accepts]: Start accepts. Automaton has 15526 states and 44153 transitions. Word has length 66 [2022-09-16 10:36:38,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:38,640 INFO L495 AbstractCegarLoop]: Abstraction has 15526 states and 44153 transitions. [2022-09-16 10:36:38,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 15526 states and 44153 transitions. [2022-09-16 10:36:38,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:36:38,642 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:38,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:38,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-09-16 10:36:38,643 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:38,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:38,643 INFO L85 PathProgramCache]: Analyzing trace with hash -24883944, now seen corresponding path program 4 times [2022-09-16 10:36:38,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:38,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748888346] [2022-09-16 10:36:38,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:38,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:38,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:38,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748888346] [2022-09-16 10:36:38,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748888346] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:38,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:38,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-16 10:36:38,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194426372] [2022-09-16 10:36:38,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:38,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-16 10:36:38,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:38,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-16 10:36:38,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:36:38,822 INFO L87 Difference]: Start difference. First operand 15526 states and 44153 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:39,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:39,631 INFO L93 Difference]: Finished difference Result 28912 states and 81492 transitions. [2022-09-16 10:36:39,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:36:39,631 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:36:39,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:39,696 INFO L225 Difference]: With dead ends: 28912 [2022-09-16 10:36:39,696 INFO L226 Difference]: Without dead ends: 28450 [2022-09-16 10:36:39,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:39,697 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 561 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:39,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 2172 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:36:39,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28450 states. [2022-09-16 10:36:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28450 to 15526. [2022-09-16 10:36:40,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15526 states, 15494 states have (on average 2.849683748547825) internal successors, (44153), 15525 states have internal predecessors, (44153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15526 states to 15526 states and 44153 transitions. [2022-09-16 10:36:40,082 INFO L78 Accepts]: Start accepts. Automaton has 15526 states and 44153 transitions. Word has length 66 [2022-09-16 10:36:40,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:40,082 INFO L495 AbstractCegarLoop]: Abstraction has 15526 states and 44153 transitions. [2022-09-16 10:36:40,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:40,083 INFO L276 IsEmpty]: Start isEmpty. Operand 15526 states and 44153 transitions. [2022-09-16 10:36:40,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:36:40,085 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:40,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:40,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-09-16 10:36:40,085 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:40,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:40,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1855318056, now seen corresponding path program 5 times [2022-09-16 10:36:40,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:40,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108380291] [2022-09-16 10:36:40,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:40,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:40,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:40,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108380291] [2022-09-16 10:36:40,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108380291] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:40,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:40,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-16 10:36:40,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994674380] [2022-09-16 10:36:40,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:40,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-16 10:36:40,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:40,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-16 10:36:40,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:36:40,237 INFO L87 Difference]: Start difference. First operand 15526 states and 44153 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:41,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:41,072 INFO L93 Difference]: Finished difference Result 26094 states and 73078 transitions. [2022-09-16 10:36:41,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:36:41,073 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:36:41,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:41,134 INFO L225 Difference]: With dead ends: 26094 [2022-09-16 10:36:41,134 INFO L226 Difference]: Without dead ends: 25632 [2022-09-16 10:36:41,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:41,135 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 512 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:41,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 2065 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:36:41,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25632 states. [2022-09-16 10:36:41,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25632 to 13855. [2022-09-16 10:36:41,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13855 states, 13823 states have (on average 2.830138175504594) internal successors, (39121), 13854 states have internal predecessors, (39121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13855 states to 13855 states and 39121 transitions. [2022-09-16 10:36:41,460 INFO L78 Accepts]: Start accepts. Automaton has 13855 states and 39121 transitions. Word has length 66 [2022-09-16 10:36:41,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:41,460 INFO L495 AbstractCegarLoop]: Abstraction has 13855 states and 39121 transitions. [2022-09-16 10:36:41,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 13855 states and 39121 transitions. [2022-09-16 10:36:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:36:41,462 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:41,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:41,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-09-16 10:36:41,463 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:41,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:41,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1190641272, now seen corresponding path program 1 times [2022-09-16 10:36:41,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:41,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145733129] [2022-09-16 10:36:41,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:41,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:41,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:41,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145733129] [2022-09-16 10:36:41,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145733129] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:41,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:41,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-16 10:36:41,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158083707] [2022-09-16 10:36:41,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:41,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-16 10:36:41,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:41,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-16 10:36:41,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:36:41,604 INFO L87 Difference]: Start difference. First operand 13855 states and 39121 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:42,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:42,264 INFO L93 Difference]: Finished difference Result 22762 states and 63237 transitions. [2022-09-16 10:36:42,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:36:42,265 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:36:42,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:42,308 INFO L225 Difference]: With dead ends: 22762 [2022-09-16 10:36:42,309 INFO L226 Difference]: Without dead ends: 21994 [2022-09-16 10:36:42,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:42,309 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 528 mSDsluCounter, 1659 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:42,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 1931 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:36:42,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21994 states. [2022-09-16 10:36:42,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21994 to 16226. [2022-09-16 10:36:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16226 states, 16194 states have (on average 2.8442015561319005) internal successors, (46059), 16225 states have internal predecessors, (46059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16226 states to 16226 states and 46059 transitions. [2022-09-16 10:36:42,630 INFO L78 Accepts]: Start accepts. Automaton has 16226 states and 46059 transitions. Word has length 66 [2022-09-16 10:36:42,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:42,631 INFO L495 AbstractCegarLoop]: Abstraction has 16226 states and 46059 transitions. [2022-09-16 10:36:42,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 16226 states and 46059 transitions. [2022-09-16 10:36:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:36:42,633 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:42,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:42,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-09-16 10:36:42,634 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:42,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:42,634 INFO L85 PathProgramCache]: Analyzing trace with hash -175701776, now seen corresponding path program 2 times [2022-09-16 10:36:42,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:42,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908992549] [2022-09-16 10:36:42,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:42,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:42,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:42,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908992549] [2022-09-16 10:36:42,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908992549] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:42,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:42,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-16 10:36:42,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759809401] [2022-09-16 10:36:42,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:42,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-16 10:36:42,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:42,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-16 10:36:42,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:36:42,810 INFO L87 Difference]: Start difference. First operand 16226 states and 46059 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:43,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:43,461 INFO L93 Difference]: Finished difference Result 24103 states and 67329 transitions. [2022-09-16 10:36:43,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:36:43,462 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:36:43,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:43,507 INFO L225 Difference]: With dead ends: 24103 [2022-09-16 10:36:43,507 INFO L226 Difference]: Without dead ends: 23671 [2022-09-16 10:36:43,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:36:43,508 INFO L413 NwaCegarLoop]: 441 mSDtfsCounter, 658 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 2020 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:43,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 2020 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:36:43,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23671 states. [2022-09-16 10:36:43,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23671 to 16044. [2022-09-16 10:36:43,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16044 states, 16012 states have (on average 2.842430676992256) internal successors, (45513), 16043 states have internal predecessors, (45513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:43,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16044 states to 16044 states and 45513 transitions. [2022-09-16 10:36:43,968 INFO L78 Accepts]: Start accepts. Automaton has 16044 states and 45513 transitions. Word has length 66 [2022-09-16 10:36:43,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:43,968 INFO L495 AbstractCegarLoop]: Abstraction has 16044 states and 45513 transitions. [2022-09-16 10:36:43,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 16044 states and 45513 transitions. [2022-09-16 10:36:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:36:43,970 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:43,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:43,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-09-16 10:36:43,970 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:43,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:43,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1741065804, now seen corresponding path program 3 times [2022-09-16 10:36:43,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:43,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124642400] [2022-09-16 10:36:43,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:43,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:44,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:44,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124642400] [2022-09-16 10:36:44,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124642400] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:44,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:44,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-16 10:36:44,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182351905] [2022-09-16 10:36:44,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:44,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-16 10:36:44,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:44,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-16 10:36:44,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:36:44,132 INFO L87 Difference]: Start difference. First operand 16044 states and 45513 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:44,938 INFO L93 Difference]: Finished difference Result 25843 states and 72119 transitions. [2022-09-16 10:36:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 10:36:44,939 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:36:44,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:44,990 INFO L225 Difference]: With dead ends: 25843 [2022-09-16 10:36:44,990 INFO L226 Difference]: Without dead ends: 25215 [2022-09-16 10:36:44,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:44,991 INFO L413 NwaCegarLoop]: 442 mSDtfsCounter, 637 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 2054 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:44,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 2054 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:36:45,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25215 states. [2022-09-16 10:36:45,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25215 to 16044. [2022-09-16 10:36:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16044 states, 16012 states have (on average 2.842430676992256) internal successors, (45513), 16043 states have internal predecessors, (45513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16044 states to 16044 states and 45513 transitions. [2022-09-16 10:36:45,337 INFO L78 Accepts]: Start accepts. Automaton has 16044 states and 45513 transitions. Word has length 66 [2022-09-16 10:36:45,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:45,338 INFO L495 AbstractCegarLoop]: Abstraction has 16044 states and 45513 transitions. [2022-09-16 10:36:45,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 16044 states and 45513 transitions. [2022-09-16 10:36:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:36:45,339 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:45,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:45,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-09-16 10:36:45,340 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:45,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:45,340 INFO L85 PathProgramCache]: Analyzing trace with hash 282925946, now seen corresponding path program 4 times [2022-09-16 10:36:45,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:45,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030733576] [2022-09-16 10:36:45,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:45,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:45,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:45,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030733576] [2022-09-16 10:36:45,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030733576] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:45,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:45,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-16 10:36:45,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425902822] [2022-09-16 10:36:45,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:45,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-16 10:36:45,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:45,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-16 10:36:45,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:36:45,491 INFO L87 Difference]: Start difference. First operand 16044 states and 45513 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:46,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:46,284 INFO L93 Difference]: Finished difference Result 27033 states and 75619 transitions. [2022-09-16 10:36:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:36:46,285 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:36:46,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:46,342 INFO L225 Difference]: With dead ends: 27033 [2022-09-16 10:36:46,342 INFO L226 Difference]: Without dead ends: 26349 [2022-09-16 10:36:46,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:46,345 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 584 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 2060 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:46,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 2060 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:36:46,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26349 states. [2022-09-16 10:36:46,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26349 to 16044. [2022-09-16 10:36:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16044 states, 16012 states have (on average 2.842430676992256) internal successors, (45513), 16043 states have internal predecessors, (45513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16044 states to 16044 states and 45513 transitions. [2022-09-16 10:36:46,708 INFO L78 Accepts]: Start accepts. Automaton has 16044 states and 45513 transitions. Word has length 66 [2022-09-16 10:36:46,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:46,709 INFO L495 AbstractCegarLoop]: Abstraction has 16044 states and 45513 transitions. [2022-09-16 10:36:46,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 16044 states and 45513 transitions. [2022-09-16 10:36:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:36:46,710 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:46,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:46,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-09-16 10:36:46,711 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:46,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:46,711 INFO L85 PathProgramCache]: Analyzing trace with hash 2004631832, now seen corresponding path program 5 times [2022-09-16 10:36:46,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:46,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659002744] [2022-09-16 10:36:46,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:46,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:46,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659002744] [2022-09-16 10:36:46,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659002744] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:46,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:46,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-16 10:36:46,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395880450] [2022-09-16 10:36:46,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:46,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-16 10:36:46,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:46,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-16 10:36:46,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:36:46,847 INFO L87 Difference]: Start difference. First operand 16044 states and 45513 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:47,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:47,570 INFO L93 Difference]: Finished difference Result 25905 states and 72182 transitions. [2022-09-16 10:36:47,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:36:47,571 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:36:47,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:47,622 INFO L225 Difference]: With dead ends: 25905 [2022-09-16 10:36:47,622 INFO L226 Difference]: Without dead ends: 25193 [2022-09-16 10:36:47,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:47,623 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 530 mSDsluCounter, 1727 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:47,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 2052 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:36:47,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25193 states. [2022-09-16 10:36:47,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25193 to 13964. [2022-09-16 10:36:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13964 states, 13932 states have (on average 2.8189061154177435) internal successors, (39273), 13963 states have internal predecessors, (39273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13964 states to 13964 states and 39273 transitions. [2022-09-16 10:36:47,949 INFO L78 Accepts]: Start accepts. Automaton has 13964 states and 39273 transitions. Word has length 66 [2022-09-16 10:36:47,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:47,949 INFO L495 AbstractCegarLoop]: Abstraction has 13964 states and 39273 transitions. [2022-09-16 10:36:47,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 13964 states and 39273 transitions. [2022-09-16 10:36:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:36:47,952 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:47,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:47,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-09-16 10:36:47,952 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:47,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:47,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1017446890, now seen corresponding path program 1 times [2022-09-16 10:36:47,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:47,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416001033] [2022-09-16 10:36:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:47,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:48,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:48,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416001033] [2022-09-16 10:36:48,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416001033] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:48,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:48,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:36:48,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748880038] [2022-09-16 10:36:48,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:48,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:36:48,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:48,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:36:48,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:36:48,371 INFO L87 Difference]: Start difference. First operand 13964 states and 39273 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:50,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:50,766 INFO L93 Difference]: Finished difference Result 16915 states and 47104 transitions. [2022-09-16 10:36:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:36:50,766 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:36:50,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:50,801 INFO L225 Difference]: With dead ends: 16915 [2022-09-16 10:36:50,801 INFO L226 Difference]: Without dead ends: 16915 [2022-09-16 10:36:50,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:36:50,802 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 1741 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 3283 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:50,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 3283 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:36:50,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16915 states. [2022-09-16 10:36:51,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16915 to 15601. [2022-09-16 10:36:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15601 states, 15563 states have (on average 2.8149457045556767) internal successors, (43809), 15600 states have internal predecessors, (43809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:51,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15601 states to 15601 states and 43809 transitions. [2022-09-16 10:36:51,085 INFO L78 Accepts]: Start accepts. Automaton has 15601 states and 43809 transitions. Word has length 70 [2022-09-16 10:36:51,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:51,085 INFO L495 AbstractCegarLoop]: Abstraction has 15601 states and 43809 transitions. [2022-09-16 10:36:51,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 15601 states and 43809 transitions. [2022-09-16 10:36:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:36:51,088 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:51,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:51,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-09-16 10:36:51,088 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:51,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:51,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1824473594, now seen corresponding path program 2 times [2022-09-16 10:36:51,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:51,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545960773] [2022-09-16 10:36:51,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:51,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:51,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:51,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545960773] [2022-09-16 10:36:51,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545960773] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:51,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:51,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:36:51,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224616740] [2022-09-16 10:36:51,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:51,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:36:51,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:51,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:36:51,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:36:51,583 INFO L87 Difference]: Start difference. First operand 15601 states and 43809 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:54,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:54,003 INFO L93 Difference]: Finished difference Result 29733 states and 82960 transitions. [2022-09-16 10:36:54,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:36:54,003 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:36:54,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:54,065 INFO L225 Difference]: With dead ends: 29733 [2022-09-16 10:36:54,065 INFO L226 Difference]: Without dead ends: 29733 [2022-09-16 10:36:54,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:36:54,066 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 1857 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 3179 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:54,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1857 Valid, 3179 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:36:54,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29733 states. [2022-09-16 10:36:54,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29733 to 15797. [2022-09-16 10:36:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15797 states, 15759 states have (on average 2.816993464052288) internal successors, (44393), 15796 states have internal predecessors, (44393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15797 states to 15797 states and 44393 transitions. [2022-09-16 10:36:54,456 INFO L78 Accepts]: Start accepts. Automaton has 15797 states and 44393 transitions. Word has length 70 [2022-09-16 10:36:54,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:54,457 INFO L495 AbstractCegarLoop]: Abstraction has 15797 states and 44393 transitions. [2022-09-16 10:36:54,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:54,457 INFO L276 IsEmpty]: Start isEmpty. Operand 15797 states and 44393 transitions. [2022-09-16 10:36:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:36:54,460 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:54,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:54,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-09-16 10:36:54,460 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:54,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:54,460 INFO L85 PathProgramCache]: Analyzing trace with hash -854811674, now seen corresponding path program 3 times [2022-09-16 10:36:54,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:54,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215899841] [2022-09-16 10:36:54,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:54,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:54,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:54,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215899841] [2022-09-16 10:36:54,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215899841] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:54,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:54,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:36:54,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372598134] [2022-09-16 10:36:54,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:54,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:36:54,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:54,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:36:54,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:36:54,851 INFO L87 Difference]: Start difference. First operand 15797 states and 44393 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:57,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:57,363 INFO L93 Difference]: Finished difference Result 26859 states and 73768 transitions. [2022-09-16 10:36:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:36:57,363 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:36:57,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:57,425 INFO L225 Difference]: With dead ends: 26859 [2022-09-16 10:36:57,426 INFO L226 Difference]: Without dead ends: 26859 [2022-09-16 10:36:57,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:36:57,427 INFO L413 NwaCegarLoop]: 535 mSDtfsCounter, 1734 mSDsluCounter, 3186 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 3573 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:57,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 3573 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:36:57,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26859 states. [2022-09-16 10:36:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26859 to 16188. [2022-09-16 10:36:57,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16188 states, 16144 states have (on average 2.800730921704658) internal successors, (45215), 16187 states have internal predecessors, (45215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16188 states to 16188 states and 45215 transitions. [2022-09-16 10:36:57,786 INFO L78 Accepts]: Start accepts. Automaton has 16188 states and 45215 transitions. Word has length 70 [2022-09-16 10:36:57,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:57,786 INFO L495 AbstractCegarLoop]: Abstraction has 16188 states and 45215 transitions. [2022-09-16 10:36:57,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 16188 states and 45215 transitions. [2022-09-16 10:36:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:36:57,791 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:57,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:57,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-09-16 10:36:57,791 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:57,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:57,792 INFO L85 PathProgramCache]: Analyzing trace with hash -208281084, now seen corresponding path program 4 times [2022-09-16 10:36:57,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:57,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267789500] [2022-09-16 10:36:57,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:57,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:58,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:58,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267789500] [2022-09-16 10:36:58,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267789500] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:58,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:58,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:36:58,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122086800] [2022-09-16 10:36:58,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:58,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:36:58,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:58,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:36:58,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:36:58,211 INFO L87 Difference]: Start difference. First operand 16188 states and 45215 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:00,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:00,720 INFO L93 Difference]: Finished difference Result 27620 states and 76245 transitions. [2022-09-16 10:37:00,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:00,720 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:00,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:00,776 INFO L225 Difference]: With dead ends: 27620 [2022-09-16 10:37:00,776 INFO L226 Difference]: Without dead ends: 27620 [2022-09-16 10:37:00,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:00,777 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 1758 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 3543 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:00,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 3543 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:37:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27620 states. [2022-09-16 10:37:01,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27620 to 16188. [2022-09-16 10:37:01,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16188 states, 16144 states have (on average 2.800730921704658) internal successors, (45215), 16187 states have internal predecessors, (45215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:01,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16188 states to 16188 states and 45215 transitions. [2022-09-16 10:37:01,291 INFO L78 Accepts]: Start accepts. Automaton has 16188 states and 45215 transitions. Word has length 70 [2022-09-16 10:37:01,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:01,292 INFO L495 AbstractCegarLoop]: Abstraction has 16188 states and 45215 transitions. [2022-09-16 10:37:01,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:01,292 INFO L276 IsEmpty]: Start isEmpty. Operand 16188 states and 45215 transitions. [2022-09-16 10:37:01,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:01,295 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:01,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:01,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-09-16 10:37:01,295 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:01,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:01,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1011449566, now seen corresponding path program 5 times [2022-09-16 10:37:01,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:01,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574131839] [2022-09-16 10:37:01,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:01,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:01,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:01,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574131839] [2022-09-16 10:37:01,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574131839] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:01,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:01,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:01,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628932222] [2022-09-16 10:37:01,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:01,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:01,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:01,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:01,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:01,690 INFO L87 Difference]: Start difference. First operand 16188 states and 45215 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:04,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:04,104 INFO L93 Difference]: Finished difference Result 22594 states and 62117 transitions. [2022-09-16 10:37:04,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:04,104 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:04,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:04,154 INFO L225 Difference]: With dead ends: 22594 [2022-09-16 10:37:04,155 INFO L226 Difference]: Without dead ends: 22594 [2022-09-16 10:37:04,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:04,156 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 1431 mSDsluCounter, 2900 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 3289 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:04,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 3289 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:04,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22594 states. [2022-09-16 10:37:04,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22594 to 16188. [2022-09-16 10:37:04,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16188 states, 16144 states have (on average 2.800730921704658) internal successors, (45215), 16187 states have internal predecessors, (45215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16188 states to 16188 states and 45215 transitions. [2022-09-16 10:37:04,509 INFO L78 Accepts]: Start accepts. Automaton has 16188 states and 45215 transitions. Word has length 70 [2022-09-16 10:37:04,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:04,509 INFO L495 AbstractCegarLoop]: Abstraction has 16188 states and 45215 transitions. [2022-09-16 10:37:04,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 16188 states and 45215 transitions. [2022-09-16 10:37:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:04,512 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:04,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:04,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-09-16 10:37:04,513 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:04,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:04,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1456516630, now seen corresponding path program 6 times [2022-09-16 10:37:04,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:04,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294402862] [2022-09-16 10:37:04,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:04,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:04,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:04,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294402862] [2022-09-16 10:37:04,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294402862] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:04,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:04,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:04,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827741587] [2022-09-16 10:37:04,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:04,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:04,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:04,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:04,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:04,897 INFO L87 Difference]: Start difference. First operand 16188 states and 45215 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:07,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:07,495 INFO L93 Difference]: Finished difference Result 46353 states and 128840 transitions. [2022-09-16 10:37:07,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:07,496 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:07,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:07,606 INFO L225 Difference]: With dead ends: 46353 [2022-09-16 10:37:07,606 INFO L226 Difference]: Without dead ends: 46353 [2022-09-16 10:37:07,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:07,607 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 1838 mSDsluCounter, 3203 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 3586 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:07,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 3586 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:37:07,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46353 states. [2022-09-16 10:37:08,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46353 to 16482. [2022-09-16 10:37:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16482 states, 16438 states have (on average 2.803929918481567) internal successors, (46091), 16481 states have internal predecessors, (46091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:08,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16482 states to 16482 states and 46091 transitions. [2022-09-16 10:37:08,130 INFO L78 Accepts]: Start accepts. Automaton has 16482 states and 46091 transitions. Word has length 70 [2022-09-16 10:37:08,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:08,130 INFO L495 AbstractCegarLoop]: Abstraction has 16482 states and 46091 transitions. [2022-09-16 10:37:08,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:08,130 INFO L276 IsEmpty]: Start isEmpty. Operand 16482 states and 46091 transitions. [2022-09-16 10:37:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:08,133 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:08,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:08,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-09-16 10:37:08,134 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:08,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:08,134 INFO L85 PathProgramCache]: Analyzing trace with hash -486854710, now seen corresponding path program 7 times [2022-09-16 10:37:08,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:08,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800208299] [2022-09-16 10:37:08,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:08,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:08,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:08,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800208299] [2022-09-16 10:37:08,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800208299] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:08,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:08,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:08,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272170777] [2022-09-16 10:37:08,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:08,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:08,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:08,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:08,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:08,513 INFO L87 Difference]: Start difference. First operand 16482 states and 46091 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:11,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:11,244 INFO L93 Difference]: Finished difference Result 44149 states and 121307 transitions. [2022-09-16 10:37:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:11,244 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:11,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:11,338 INFO L225 Difference]: With dead ends: 44149 [2022-09-16 10:37:11,338 INFO L226 Difference]: Without dead ends: 44149 [2022-09-16 10:37:11,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:11,339 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 1829 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 3577 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:11,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 3577 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:37:11,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44149 states. [2022-09-16 10:37:11,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44149 to 16433. [2022-09-16 10:37:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16433 states, 16389 states have (on average 2.803404722679846) internal successors, (45945), 16432 states have internal predecessors, (45945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16433 states to 16433 states and 45945 transitions. [2022-09-16 10:37:11,823 INFO L78 Accepts]: Start accepts. Automaton has 16433 states and 45945 transitions. Word has length 70 [2022-09-16 10:37:11,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:11,823 INFO L495 AbstractCegarLoop]: Abstraction has 16433 states and 45945 transitions. [2022-09-16 10:37:11,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 16433 states and 45945 transitions. [2022-09-16 10:37:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:11,827 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:11,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:11,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-09-16 10:37:11,828 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:11,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:11,828 INFO L85 PathProgramCache]: Analyzing trace with hash 159675880, now seen corresponding path program 8 times [2022-09-16 10:37:11,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:11,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066533140] [2022-09-16 10:37:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:11,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:12,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:12,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066533140] [2022-09-16 10:37:12,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066533140] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:12,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:12,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:12,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947134136] [2022-09-16 10:37:12,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:12,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:12,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:12,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:12,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:12,211 INFO L87 Difference]: Start difference. First operand 16433 states and 45945 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:14,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:14,677 INFO L93 Difference]: Finished difference Result 36978 states and 102040 transitions. [2022-09-16 10:37:14,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:14,678 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:14,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:14,763 INFO L225 Difference]: With dead ends: 36978 [2022-09-16 10:37:14,763 INFO L226 Difference]: Without dead ends: 36978 [2022-09-16 10:37:14,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:14,764 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 1698 mSDsluCounter, 2856 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1698 SdHoareTripleChecker+Valid, 3251 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:14,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1698 Valid, 3251 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:14,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36978 states. [2022-09-16 10:37:15,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36978 to 16335. [2022-09-16 10:37:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16335 states, 16291 states have (on average 2.8023448529863115) internal successors, (45653), 16334 states have internal predecessors, (45653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16335 states to 16335 states and 45653 transitions. [2022-09-16 10:37:15,225 INFO L78 Accepts]: Start accepts. Automaton has 16335 states and 45653 transitions. Word has length 70 [2022-09-16 10:37:15,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:15,225 INFO L495 AbstractCegarLoop]: Abstraction has 16335 states and 45653 transitions. [2022-09-16 10:37:15,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 16335 states and 45653 transitions. [2022-09-16 10:37:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:15,229 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:15,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:15,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-09-16 10:37:15,229 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:15,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:15,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1619314742, now seen corresponding path program 9 times [2022-09-16 10:37:15,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:15,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159903353] [2022-09-16 10:37:15,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:15,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:15,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:15,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159903353] [2022-09-16 10:37:15,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159903353] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:15,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:15,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:15,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996497923] [2022-09-16 10:37:15,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:15,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:15,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:15,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:15,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:15,613 INFO L87 Difference]: Start difference. First operand 16335 states and 45653 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:18,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:18,107 INFO L93 Difference]: Finished difference Result 34285 states and 94818 transitions. [2022-09-16 10:37:18,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:18,107 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:18,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:18,177 INFO L225 Difference]: With dead ends: 34285 [2022-09-16 10:37:18,178 INFO L226 Difference]: Without dead ends: 34285 [2022-09-16 10:37:18,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:18,179 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 1587 mSDsluCounter, 2853 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 3244 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:18,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1587 Valid, 3244 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:18,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34285 states. [2022-09-16 10:37:18,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34285 to 16433. [2022-09-16 10:37:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16433 states, 16389 states have (on average 2.803404722679846) internal successors, (45945), 16432 states have internal predecessors, (45945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16433 states to 16433 states and 45945 transitions. [2022-09-16 10:37:18,617 INFO L78 Accepts]: Start accepts. Automaton has 16433 states and 45945 transitions. Word has length 70 [2022-09-16 10:37:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:18,617 INFO L495 AbstractCegarLoop]: Abstraction has 16433 states and 45945 transitions. [2022-09-16 10:37:18,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 16433 states and 45945 transitions. [2022-09-16 10:37:18,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:18,620 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:18,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:18,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-09-16 10:37:18,621 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:18,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:18,621 INFO L85 PathProgramCache]: Analyzing trace with hash -649652822, now seen corresponding path program 10 times [2022-09-16 10:37:18,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:18,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172686475] [2022-09-16 10:37:18,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:18,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:19,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:19,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172686475] [2022-09-16 10:37:19,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172686475] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:19,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:19,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:19,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313616568] [2022-09-16 10:37:19,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:19,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:19,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:19,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:19,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:19,009 INFO L87 Difference]: Start difference. First operand 16433 states and 45945 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:21,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:21,519 INFO L93 Difference]: Finished difference Result 36394 states and 99742 transitions. [2022-09-16 10:37:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:21,519 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:21,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:21,603 INFO L225 Difference]: With dead ends: 36394 [2022-09-16 10:37:21,603 INFO L226 Difference]: Without dead ends: 36394 [2022-09-16 10:37:21,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:21,604 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 1763 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 3134 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:21,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 3134 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:21,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36394 states. [2022-09-16 10:37:21,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36394 to 16384. [2022-09-16 10:37:22,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16384 states, 16340 states have (on average 2.802876376988984) internal successors, (45799), 16383 states have internal predecessors, (45799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:22,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16384 states to 16384 states and 45799 transitions. [2022-09-16 10:37:22,057 INFO L78 Accepts]: Start accepts. Automaton has 16384 states and 45799 transitions. Word has length 70 [2022-09-16 10:37:22,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:22,057 INFO L495 AbstractCegarLoop]: Abstraction has 16384 states and 45799 transitions. [2022-09-16 10:37:22,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 16384 states and 45799 transitions. [2022-09-16 10:37:22,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:22,062 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:22,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:22,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-09-16 10:37:22,062 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:22,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:22,063 INFO L85 PathProgramCache]: Analyzing trace with hash 956036584, now seen corresponding path program 11 times [2022-09-16 10:37:22,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:22,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333929217] [2022-09-16 10:37:22,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:22,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:22,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:22,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333929217] [2022-09-16 10:37:22,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333929217] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:22,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:22,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:22,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641648100] [2022-09-16 10:37:22,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:22,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:22,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:22,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:22,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:22,410 INFO L87 Difference]: Start difference. First operand 16384 states and 45799 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:24,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:24,896 INFO L93 Difference]: Finished difference Result 34677 states and 95156 transitions. [2022-09-16 10:37:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:24,897 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:24,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:24,975 INFO L225 Difference]: With dead ends: 34677 [2022-09-16 10:37:24,975 INFO L226 Difference]: Without dead ends: 34677 [2022-09-16 10:37:24,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:24,976 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 1638 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:24,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 3155 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:25,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34677 states. [2022-09-16 10:37:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34677 to 16433. [2022-09-16 10:37:25,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16433 states, 16389 states have (on average 2.803404722679846) internal successors, (45945), 16432 states have internal predecessors, (45945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:25,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16433 states to 16433 states and 45945 transitions. [2022-09-16 10:37:25,397 INFO L78 Accepts]: Start accepts. Automaton has 16433 states and 45945 transitions. Word has length 70 [2022-09-16 10:37:25,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:25,397 INFO L495 AbstractCegarLoop]: Abstraction has 16433 states and 45945 transitions. [2022-09-16 10:37:25,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 16433 states and 45945 transitions. [2022-09-16 10:37:25,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:25,401 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:25,401 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:25,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-09-16 10:37:25,401 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:25,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:25,401 INFO L85 PathProgramCache]: Analyzing trace with hash -824561718, now seen corresponding path program 12 times [2022-09-16 10:37:25,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:25,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728017652] [2022-09-16 10:37:25,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:25,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:25,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:25,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:25,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728017652] [2022-09-16 10:37:25,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728017652] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:25,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:25,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:25,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380593764] [2022-09-16 10:37:25,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:25,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:25,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:25,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:25,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:25,790 INFO L87 Difference]: Start difference. First operand 16433 states and 45945 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:28,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:28,339 INFO L93 Difference]: Finished difference Result 27202 states and 75335 transitions. [2022-09-16 10:37:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:28,340 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:28,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:28,400 INFO L225 Difference]: With dead ends: 27202 [2022-09-16 10:37:28,401 INFO L226 Difference]: Without dead ends: 27202 [2022-09-16 10:37:28,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:28,402 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 1680 mSDsluCounter, 3151 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:28,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 3519 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:28,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27202 states. [2022-09-16 10:37:28,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27202 to 16775. [2022-09-16 10:37:28,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16775 states, 16731 states have (on average 2.806945191560576) internal successors, (46963), 16774 states have internal predecessors, (46963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16775 states to 16775 states and 46963 transitions. [2022-09-16 10:37:28,869 INFO L78 Accepts]: Start accepts. Automaton has 16775 states and 46963 transitions. Word has length 70 [2022-09-16 10:37:28,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:28,870 INFO L495 AbstractCegarLoop]: Abstraction has 16775 states and 46963 transitions. [2022-09-16 10:37:28,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:28,870 INFO L276 IsEmpty]: Start isEmpty. Operand 16775 states and 46963 transitions. [2022-09-16 10:37:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:28,873 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:28,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:28,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-09-16 10:37:28,873 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:28,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:28,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2088484148, now seen corresponding path program 13 times [2022-09-16 10:37:28,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:28,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841616696] [2022-09-16 10:37:28,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:28,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:29,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:29,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:29,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841616696] [2022-09-16 10:37:29,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841616696] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:29,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:29,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:29,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473029395] [2022-09-16 10:37:29,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:29,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:29,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:29,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:29,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:29,249 INFO L87 Difference]: Start difference. First operand 16775 states and 46963 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:31,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:31,713 INFO L93 Difference]: Finished difference Result 39214 states and 107230 transitions. [2022-09-16 10:37:31,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:31,714 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:31,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:31,799 INFO L225 Difference]: With dead ends: 39214 [2022-09-16 10:37:31,799 INFO L226 Difference]: Without dead ends: 39214 [2022-09-16 10:37:31,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:31,800 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 1729 mSDsluCounter, 2832 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:31,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 3229 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:31,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39214 states. [2022-09-16 10:37:32,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39214 to 16971. [2022-09-16 10:37:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16971 states, 16927 states have (on average 2.808944290187275) internal successors, (47547), 16970 states have internal predecessors, (47547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:32,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16971 states to 16971 states and 47547 transitions. [2022-09-16 10:37:32,281 INFO L78 Accepts]: Start accepts. Automaton has 16971 states and 47547 transitions. Word has length 70 [2022-09-16 10:37:32,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:32,282 INFO L495 AbstractCegarLoop]: Abstraction has 16971 states and 47547 transitions. [2022-09-16 10:37:32,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:32,282 INFO L276 IsEmpty]: Start isEmpty. Operand 16971 states and 47547 transitions. [2022-09-16 10:37:32,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:32,285 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:32,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:32,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-09-16 10:37:32,285 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:32,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:32,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1118822228, now seen corresponding path program 14 times [2022-09-16 10:37:32,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:32,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798510583] [2022-09-16 10:37:32,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:32,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:32,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:32,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:32,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798510583] [2022-09-16 10:37:32,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798510583] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:32,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:32,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:32,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015614814] [2022-09-16 10:37:32,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:32,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:32,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:32,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:32,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:32,664 INFO L87 Difference]: Start difference. First operand 16971 states and 47547 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:35,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:35,230 INFO L93 Difference]: Finished difference Result 37010 states and 99697 transitions. [2022-09-16 10:37:35,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:35,231 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:35,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:35,306 INFO L225 Difference]: With dead ends: 37010 [2022-09-16 10:37:35,306 INFO L226 Difference]: Without dead ends: 37010 [2022-09-16 10:37:35,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:35,307 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 1598 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 3636 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:35,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1598 Valid, 3636 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:37:35,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37010 states. [2022-09-16 10:37:35,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37010 to 16922. [2022-09-16 10:37:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16922 states, 16878 states have (on average 2.8084488683493305) internal successors, (47401), 16921 states have internal predecessors, (47401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16922 states to 16922 states and 47401 transitions. [2022-09-16 10:37:35,767 INFO L78 Accepts]: Start accepts. Automaton has 16922 states and 47401 transitions. Word has length 70 [2022-09-16 10:37:35,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:35,767 INFO L495 AbstractCegarLoop]: Abstraction has 16922 states and 47401 transitions. [2022-09-16 10:37:35,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 16922 states and 47401 transitions. [2022-09-16 10:37:35,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:35,771 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:35,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:35,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-09-16 10:37:35,772 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:35,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:35,772 INFO L85 PathProgramCache]: Analyzing trace with hash -472291638, now seen corresponding path program 15 times [2022-09-16 10:37:35,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:35,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075915804] [2022-09-16 10:37:35,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:35,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:36,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:36,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:36,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075915804] [2022-09-16 10:37:36,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075915804] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:36,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:36,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:36,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919396872] [2022-09-16 10:37:36,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:36,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:36,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:36,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:36,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:36,138 INFO L87 Difference]: Start difference. First operand 16922 states and 47401 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:38,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:38,633 INFO L93 Difference]: Finished difference Result 37101 states and 100515 transitions. [2022-09-16 10:37:38,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:38,633 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:38,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:38,709 INFO L225 Difference]: With dead ends: 37101 [2022-09-16 10:37:38,710 INFO L226 Difference]: Without dead ends: 37101 [2022-09-16 10:37:38,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:38,710 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 1634 mSDsluCounter, 2868 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 3267 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:38,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 3267 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:38,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37101 states. [2022-09-16 10:37:39,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37101 to 16824. [2022-09-16 10:37:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16824 states, 16780 states have (on average 2.807449344457688) internal successors, (47109), 16823 states have internal predecessors, (47109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16824 states to 16824 states and 47109 transitions. [2022-09-16 10:37:39,158 INFO L78 Accepts]: Start accepts. Automaton has 16824 states and 47109 transitions. Word has length 70 [2022-09-16 10:37:39,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:39,158 INFO L495 AbstractCegarLoop]: Abstraction has 16824 states and 47109 transitions. [2022-09-16 10:37:39,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 16824 states and 47109 transitions. [2022-09-16 10:37:39,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:39,162 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:39,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:39,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-09-16 10:37:39,162 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:39,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:39,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1275460120, now seen corresponding path program 16 times [2022-09-16 10:37:39,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:39,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81295794] [2022-09-16 10:37:39,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:39,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:39,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:39,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81295794] [2022-09-16 10:37:39,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81295794] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:39,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:39,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:39,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534154054] [2022-09-16 10:37:39,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:39,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:39,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:39,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:39,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:39,515 INFO L87 Difference]: Start difference. First operand 16824 states and 47109 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:41,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:41,998 INFO L93 Difference]: Finished difference Result 27179 states and 73892 transitions. [2022-09-16 10:37:41,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:41,998 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:41,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:42,058 INFO L225 Difference]: With dead ends: 27179 [2022-09-16 10:37:42,058 INFO L226 Difference]: Without dead ends: 27179 [2022-09-16 10:37:42,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:42,059 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 1665 mSDsluCounter, 3202 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 3574 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:42,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1665 Valid, 3574 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:37:42,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27179 states. [2022-09-16 10:37:42,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27179 to 16775. [2022-09-16 10:37:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16775 states, 16731 states have (on average 2.806945191560576) internal successors, (46963), 16774 states have internal predecessors, (46963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16775 states to 16775 states and 46963 transitions. [2022-09-16 10:37:42,420 INFO L78 Accepts]: Start accepts. Automaton has 16775 states and 46963 transitions. Word has length 70 [2022-09-16 10:37:42,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:42,420 INFO L495 AbstractCegarLoop]: Abstraction has 16775 states and 46963 transitions. [2022-09-16 10:37:42,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 16775 states and 46963 transitions. [2022-09-16 10:37:42,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:42,424 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:42,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:42,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-09-16 10:37:42,424 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:42,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:42,424 INFO L85 PathProgramCache]: Analyzing trace with hash 273879432, now seen corresponding path program 17 times [2022-09-16 10:37:42,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:42,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98157965] [2022-09-16 10:37:42,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:42,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:42,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:42,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98157965] [2022-09-16 10:37:42,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98157965] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:42,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:42,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:42,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500038174] [2022-09-16 10:37:42,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:42,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:42,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:42,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:42,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:42,799 INFO L87 Difference]: Start difference. First operand 16775 states and 46963 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:45,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:45,313 INFO L93 Difference]: Finished difference Result 49396 states and 137690 transitions. [2022-09-16 10:37:45,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:45,314 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:45,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:45,433 INFO L225 Difference]: With dead ends: 49396 [2022-09-16 10:37:45,433 INFO L226 Difference]: Without dead ends: 49396 [2022-09-16 10:37:45,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:45,434 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 1842 mSDsluCounter, 2805 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1842 SdHoareTripleChecker+Valid, 3205 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:45,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1842 Valid, 3205 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:45,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49396 states. [2022-09-16 10:37:45,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49396 to 17314. [2022-09-16 10:37:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17314 states, 17270 states have (on average 2.812333526346265) internal successors, (48569), 17313 states have internal predecessors, (48569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17314 states to 17314 states and 48569 transitions. [2022-09-16 10:37:46,010 INFO L78 Accepts]: Start accepts. Automaton has 17314 states and 48569 transitions. Word has length 70 [2022-09-16 10:37:46,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:46,010 INFO L495 AbstractCegarLoop]: Abstraction has 17314 states and 48569 transitions. [2022-09-16 10:37:46,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 17314 states and 48569 transitions. [2022-09-16 10:37:46,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:46,014 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:46,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:46,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-09-16 10:37:46,014 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:46,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:46,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1243541352, now seen corresponding path program 18 times [2022-09-16 10:37:46,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:46,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230275767] [2022-09-16 10:37:46,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:46,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:46,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:46,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:46,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230275767] [2022-09-16 10:37:46,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230275767] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:46,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:46,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:46,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991562926] [2022-09-16 10:37:46,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:46,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:46,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:46,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:46,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:46,531 INFO L87 Difference]: Start difference. First operand 17314 states and 48569 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:48,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:48,995 INFO L93 Difference]: Finished difference Result 47192 states and 130157 transitions. [2022-09-16 10:37:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:48,995 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:48,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:49,108 INFO L225 Difference]: With dead ends: 47192 [2022-09-16 10:37:49,108 INFO L226 Difference]: Without dead ends: 47192 [2022-09-16 10:37:49,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:49,109 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 1693 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 3158 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:49,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 3158 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:49,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47192 states. [2022-09-16 10:37:49,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47192 to 17265. [2022-09-16 10:37:49,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17265 states, 17221 states have (on average 2.8118576157017596) internal successors, (48423), 17264 states have internal predecessors, (48423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:49,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17265 states to 17265 states and 48423 transitions. [2022-09-16 10:37:49,636 INFO L78 Accepts]: Start accepts. Automaton has 17265 states and 48423 transitions. Word has length 70 [2022-09-16 10:37:49,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:49,637 INFO L495 AbstractCegarLoop]: Abstraction has 17265 states and 48423 transitions. [2022-09-16 10:37:49,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 17265 states and 48423 transitions. [2022-09-16 10:37:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:49,640 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:49,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:49,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-09-16 10:37:49,641 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:49,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:49,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1890071942, now seen corresponding path program 19 times [2022-09-16 10:37:49,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:49,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250148699] [2022-09-16 10:37:49,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:49,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:50,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:50,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250148699] [2022-09-16 10:37:50,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250148699] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:50,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:50,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:50,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915886462] [2022-09-16 10:37:50,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:50,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:50,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:50,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:50,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:50,015 INFO L87 Difference]: Start difference. First operand 17265 states and 48423 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:52,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:52,788 INFO L93 Difference]: Finished difference Result 40021 states and 110890 transitions. [2022-09-16 10:37:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:52,789 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:52,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:52,874 INFO L225 Difference]: With dead ends: 40021 [2022-09-16 10:37:52,875 INFO L226 Difference]: Without dead ends: 40021 [2022-09-16 10:37:52,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:52,876 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 1684 mSDsluCounter, 3198 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1684 SdHoareTripleChecker+Valid, 3580 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:52,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1684 Valid, 3580 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:37:52,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40021 states. [2022-09-16 10:37:53,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40021 to 17167. [2022-09-16 10:37:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17167 states, 17123 states have (on average 2.8108976230800677) internal successors, (48131), 17166 states have internal predecessors, (48131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17167 states to 17167 states and 48131 transitions. [2022-09-16 10:37:53,342 INFO L78 Accepts]: Start accepts. Automaton has 17167 states and 48131 transitions. Word has length 70 [2022-09-16 10:37:53,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:53,343 INFO L495 AbstractCegarLoop]: Abstraction has 17167 states and 48131 transitions. [2022-09-16 10:37:53,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:53,343 INFO L276 IsEmpty]: Start isEmpty. Operand 17167 states and 48131 transitions. [2022-09-16 10:37:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:53,346 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:53,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:53,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-09-16 10:37:53,347 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:53,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:53,347 INFO L85 PathProgramCache]: Analyzing trace with hash 111081320, now seen corresponding path program 20 times [2022-09-16 10:37:53,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:53,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545309251] [2022-09-16 10:37:53,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:53,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:53,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:53,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545309251] [2022-09-16 10:37:53,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545309251] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:53,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:53,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:53,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530249760] [2022-09-16 10:37:53,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:53,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:53,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:53,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:53,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:53,665 INFO L87 Difference]: Start difference. First operand 17167 states and 48131 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:56,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:56,262 INFO L93 Difference]: Finished difference Result 49906 states and 137428 transitions. [2022-09-16 10:37:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:37:56,263 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:37:56,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:56,387 INFO L225 Difference]: With dead ends: 49906 [2022-09-16 10:37:56,387 INFO L226 Difference]: Without dead ends: 49906 [2022-09-16 10:37:56,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:37:56,388 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 1786 mSDsluCounter, 2836 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 3232 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:56,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 3232 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:37:56,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49906 states. [2022-09-16 10:37:56,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49906 to 17265. [2022-09-16 10:37:56,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17265 states, 17221 states have (on average 2.8118576157017596) internal successors, (48423), 17264 states have internal predecessors, (48423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17265 states to 17265 states and 48423 transitions. [2022-09-16 10:37:56,943 INFO L78 Accepts]: Start accepts. Automaton has 17265 states and 48423 transitions. Word has length 70 [2022-09-16 10:37:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:56,943 INFO L495 AbstractCegarLoop]: Abstraction has 17265 states and 48423 transitions. [2022-09-16 10:37:56,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:56,943 INFO L276 IsEmpty]: Start isEmpty. Operand 17265 states and 48423 transitions. [2022-09-16 10:37:56,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:37:56,949 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:56,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:56,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-09-16 10:37:56,949 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:56,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:56,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1080743240, now seen corresponding path program 21 times [2022-09-16 10:37:56,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:56,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706928108] [2022-09-16 10:37:56,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:56,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:57,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:57,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706928108] [2022-09-16 10:37:57,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706928108] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:57,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:57,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:57,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071047849] [2022-09-16 10:37:57,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:57,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:37:57,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:57,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:37:57,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:57,300 INFO L87 Difference]: Start difference. First operand 17265 states and 48423 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:00,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:00,147 INFO L93 Difference]: Finished difference Result 52015 states and 142352 transitions. [2022-09-16 10:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:00,148 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:00,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:00,291 INFO L225 Difference]: With dead ends: 52015 [2022-09-16 10:38:00,291 INFO L226 Difference]: Without dead ends: 52015 [2022-09-16 10:38:00,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:00,292 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 1674 mSDsluCounter, 3230 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 3629 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:00,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 3629 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:38:00,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52015 states. [2022-09-16 10:38:00,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52015 to 17216. [2022-09-16 10:38:00,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17216 states, 17172 states have (on average 2.811378989051945) internal successors, (48277), 17215 states have internal predecessors, (48277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17216 states to 17216 states and 48277 transitions. [2022-09-16 10:38:01,015 INFO L78 Accepts]: Start accepts. Automaton has 17216 states and 48277 transitions. Word has length 70 [2022-09-16 10:38:01,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:01,016 INFO L495 AbstractCegarLoop]: Abstraction has 17216 states and 48277 transitions. [2022-09-16 10:38:01,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:01,016 INFO L276 IsEmpty]: Start isEmpty. Operand 17216 states and 48277 transitions. [2022-09-16 10:38:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:01,019 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:01,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:01,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-09-16 10:38:01,020 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:01,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:01,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1608534650, now seen corresponding path program 22 times [2022-09-16 10:38:01,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:01,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555050911] [2022-09-16 10:38:01,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:01,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:01,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555050911] [2022-09-16 10:38:01,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555050911] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:01,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:01,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:01,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059903897] [2022-09-16 10:38:01,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:01,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:01,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:01,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:01,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:01,380 INFO L87 Difference]: Start difference. First operand 17216 states and 48277 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:04,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:04,073 INFO L93 Difference]: Finished difference Result 50298 states and 137766 transitions. [2022-09-16 10:38:04,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:04,078 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:04,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:04,213 INFO L225 Difference]: With dead ends: 50298 [2022-09-16 10:38:04,213 INFO L226 Difference]: Without dead ends: 50298 [2022-09-16 10:38:04,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:04,214 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 1971 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 3145 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:04,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 3145 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:38:04,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50298 states. [2022-09-16 10:38:04,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50298 to 17265. [2022-09-16 10:38:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17265 states, 17221 states have (on average 2.8118576157017596) internal successors, (48423), 17264 states have internal predecessors, (48423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17265 states to 17265 states and 48423 transitions. [2022-09-16 10:38:04,890 INFO L78 Accepts]: Start accepts. Automaton has 17265 states and 48423 transitions. Word has length 70 [2022-09-16 10:38:04,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:04,890 INFO L495 AbstractCegarLoop]: Abstraction has 17265 states and 48423 transitions. [2022-09-16 10:38:04,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 17265 states and 48423 transitions. [2022-09-16 10:38:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:04,894 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:04,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:04,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-09-16 10:38:04,895 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:04,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:04,895 INFO L85 PathProgramCache]: Analyzing trace with hash 905834344, now seen corresponding path program 23 times [2022-09-16 10:38:04,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:04,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102913987] [2022-09-16 10:38:04,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:04,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:05,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:05,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102913987] [2022-09-16 10:38:05,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102913987] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:05,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:05,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:05,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340483762] [2022-09-16 10:38:05,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:05,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:05,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:05,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:05,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:05,264 INFO L87 Difference]: Start difference. First operand 17265 states and 48423 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:07,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:07,940 INFO L93 Difference]: Finished difference Result 41833 states and 115506 transitions. [2022-09-16 10:38:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:07,940 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:07,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:08,033 INFO L225 Difference]: With dead ends: 41833 [2022-09-16 10:38:08,033 INFO L226 Difference]: Without dead ends: 41833 [2022-09-16 10:38:08,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:08,034 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 1701 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:08,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1701 Valid, 3569 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:38:08,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41833 states. [2022-09-16 10:38:08,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41833 to 17069. [2022-09-16 10:38:08,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17069 states, 17025 states have (on average 2.80992657856094) internal successors, (47839), 17068 states have internal predecessors, (47839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17069 states to 17069 states and 47839 transitions. [2022-09-16 10:38:08,531 INFO L78 Accepts]: Start accepts. Automaton has 17069 states and 47839 transitions. Word has length 70 [2022-09-16 10:38:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:08,532 INFO L495 AbstractCegarLoop]: Abstraction has 17069 states and 47839 transitions. [2022-09-16 10:38:08,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 17069 states and 47839 transitions. [2022-09-16 10:38:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:08,536 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:08,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:08,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-09-16 10:38:08,536 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:08,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:08,536 INFO L85 PathProgramCache]: Analyzing trace with hash -544821754, now seen corresponding path program 24 times [2022-09-16 10:38:08,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:08,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199753142] [2022-09-16 10:38:08,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:08,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:08,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:08,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:08,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199753142] [2022-09-16 10:38:08,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199753142] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:08,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:08,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:08,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663223097] [2022-09-16 10:38:08,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:08,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:08,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:08,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:08,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:08,952 INFO L87 Difference]: Start difference. First operand 17069 states and 47839 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:11,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:11,454 INFO L93 Difference]: Finished difference Result 37230 states and 103376 transitions. [2022-09-16 10:38:11,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:11,455 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:11,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:11,538 INFO L225 Difference]: With dead ends: 37230 [2022-09-16 10:38:11,538 INFO L226 Difference]: Without dead ends: 37230 [2022-09-16 10:38:11,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:11,538 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 1861 mSDsluCounter, 2779 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1861 SdHoareTripleChecker+Valid, 3174 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:11,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1861 Valid, 3174 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:11,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37230 states. [2022-09-16 10:38:11,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37230 to 17265. [2022-09-16 10:38:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17265 states, 17221 states have (on average 2.8118576157017596) internal successors, (48423), 17264 states have internal predecessors, (48423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17265 states to 17265 states and 48423 transitions. [2022-09-16 10:38:12,003 INFO L78 Accepts]: Start accepts. Automaton has 17265 states and 48423 transitions. Word has length 70 [2022-09-16 10:38:12,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:12,003 INFO L495 AbstractCegarLoop]: Abstraction has 17265 states and 48423 transitions. [2022-09-16 10:38:12,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:12,003 INFO L276 IsEmpty]: Start isEmpty. Operand 17265 states and 48423 transitions. [2022-09-16 10:38:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:12,006 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:12,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:12,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-09-16 10:38:12,006 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:12,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:12,006 INFO L85 PathProgramCache]: Analyzing trace with hash 424840166, now seen corresponding path program 25 times [2022-09-16 10:38:12,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:12,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661717212] [2022-09-16 10:38:12,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:12,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:12,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:12,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:12,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661717212] [2022-09-16 10:38:12,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661717212] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:12,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:12,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:12,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42270603] [2022-09-16 10:38:12,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:12,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:12,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:12,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:12,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:12,342 INFO L87 Difference]: Start difference. First operand 17265 states and 48423 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:14,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:14,908 INFO L93 Difference]: Finished difference Result 39339 states and 108300 transitions. [2022-09-16 10:38:14,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:14,909 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:14,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:14,984 INFO L225 Difference]: With dead ends: 39339 [2022-09-16 10:38:14,984 INFO L226 Difference]: Without dead ends: 39339 [2022-09-16 10:38:14,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:14,985 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 1881 mSDsluCounter, 3139 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 3537 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:14,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 3537 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:38:15,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39339 states. [2022-09-16 10:38:15,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39339 to 17216. [2022-09-16 10:38:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17216 states, 17172 states have (on average 2.811378989051945) internal successors, (48277), 17215 states have internal predecessors, (48277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:15,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17216 states to 17216 states and 48277 transitions. [2022-09-16 10:38:15,451 INFO L78 Accepts]: Start accepts. Automaton has 17216 states and 48277 transitions. Word has length 70 [2022-09-16 10:38:15,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:15,451 INFO L495 AbstractCegarLoop]: Abstraction has 17216 states and 48277 transitions. [2022-09-16 10:38:15,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 17216 states and 48277 transitions. [2022-09-16 10:38:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:15,454 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:15,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:15,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-09-16 10:38:15,454 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:15,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:15,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2030529572, now seen corresponding path program 26 times [2022-09-16 10:38:15,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:15,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241692002] [2022-09-16 10:38:15,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:15,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:15,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:15,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241692002] [2022-09-16 10:38:15,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241692002] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:15,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:15,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:15,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794546698] [2022-09-16 10:38:15,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:15,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:15,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:15,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:15,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:15,840 INFO L87 Difference]: Start difference. First operand 17216 states and 48277 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:18,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:18,703 INFO L93 Difference]: Finished difference Result 48412 states and 132330 transitions. [2022-09-16 10:38:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:18,703 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:18,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:18,815 INFO L225 Difference]: With dead ends: 48412 [2022-09-16 10:38:18,815 INFO L226 Difference]: Without dead ends: 48412 [2022-09-16 10:38:18,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:18,815 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 1831 mSDsluCounter, 2735 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 3139 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:18,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 3139 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:38:18,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48412 states. [2022-09-16 10:38:19,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48412 to 17265. [2022-09-16 10:38:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17265 states, 17221 states have (on average 2.8118576157017596) internal successors, (48423), 17264 states have internal predecessors, (48423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:19,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17265 states to 17265 states and 48423 transitions. [2022-09-16 10:38:19,538 INFO L78 Accepts]: Start accepts. Automaton has 17265 states and 48423 transitions. Word has length 70 [2022-09-16 10:38:19,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:19,538 INFO L495 AbstractCegarLoop]: Abstraction has 17265 states and 48423 transitions. [2022-09-16 10:38:19,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:19,539 INFO L276 IsEmpty]: Start isEmpty. Operand 17265 states and 48423 transitions. [2022-09-16 10:38:19,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:19,541 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:19,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:19,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-09-16 10:38:19,541 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:19,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:19,542 INFO L85 PathProgramCache]: Analyzing trace with hash 249931270, now seen corresponding path program 27 times [2022-09-16 10:38:19,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:19,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972937617] [2022-09-16 10:38:19,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:19,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:19,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:19,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972937617] [2022-09-16 10:38:19,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972937617] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:19,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:19,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:19,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381216735] [2022-09-16 10:38:19,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:19,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:19,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:19,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:19,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:19,912 INFO L87 Difference]: Start difference. First operand 17265 states and 48423 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:22,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:22,486 INFO L93 Difference]: Finished difference Result 39947 states and 110070 transitions. [2022-09-16 10:38:22,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:22,487 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:22,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:22,568 INFO L225 Difference]: With dead ends: 39947 [2022-09-16 10:38:22,568 INFO L226 Difference]: Without dead ends: 39947 [2022-09-16 10:38:22,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:22,569 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 1699 mSDsluCounter, 3156 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 3533 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:22,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 3533 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:22,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39947 states. [2022-09-16 10:38:23,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39947 to 17167. [2022-09-16 10:38:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17167 states, 17123 states have (on average 2.8108976230800677) internal successors, (48131), 17166 states have internal predecessors, (48131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17167 states to 17167 states and 48131 transitions. [2022-09-16 10:38:23,083 INFO L78 Accepts]: Start accepts. Automaton has 17167 states and 48131 transitions. Word has length 70 [2022-09-16 10:38:23,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:23,083 INFO L495 AbstractCegarLoop]: Abstraction has 17167 states and 48131 transitions. [2022-09-16 10:38:23,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 17167 states and 48131 transitions. [2022-09-16 10:38:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:23,086 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:23,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:23,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-09-16 10:38:23,086 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:23,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:23,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1333144248, now seen corresponding path program 28 times [2022-09-16 10:38:23,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:23,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042055718] [2022-09-16 10:38:23,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:23,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:23,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:23,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:23,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042055718] [2022-09-16 10:38:23,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042055718] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:23,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:23,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:23,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086227618] [2022-09-16 10:38:23,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:23,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:23,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:23,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:23,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:23,406 INFO L87 Difference]: Start difference. First operand 17167 states and 48131 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:26,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:26,009 INFO L93 Difference]: Finished difference Result 37573 states and 103568 transitions. [2022-09-16 10:38:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:26,009 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:26,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:26,086 INFO L225 Difference]: With dead ends: 37573 [2022-09-16 10:38:26,086 INFO L226 Difference]: Without dead ends: 37573 [2022-09-16 10:38:26,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:26,087 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 1620 mSDsluCounter, 3177 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1620 SdHoareTripleChecker+Valid, 3580 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:26,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1620 Valid, 3580 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:26,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37573 states. [2022-09-16 10:38:26,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37573 to 17314. [2022-09-16 10:38:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17314 states, 17270 states have (on average 2.812333526346265) internal successors, (48569), 17313 states have internal predecessors, (48569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17314 states to 17314 states and 48569 transitions. [2022-09-16 10:38:26,660 INFO L78 Accepts]: Start accepts. Automaton has 17314 states and 48569 transitions. Word has length 70 [2022-09-16 10:38:26,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:26,660 INFO L495 AbstractCegarLoop]: Abstraction has 17314 states and 48569 transitions. [2022-09-16 10:38:26,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 17314 states and 48569 transitions. [2022-09-16 10:38:26,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:26,663 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:26,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:26,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-09-16 10:38:26,664 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:26,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:26,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1181224746, now seen corresponding path program 29 times [2022-09-16 10:38:26,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:26,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797384291] [2022-09-16 10:38:26,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:26,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:27,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:27,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797384291] [2022-09-16 10:38:27,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797384291] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:27,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:27,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:27,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773877613] [2022-09-16 10:38:27,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:27,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:27,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:27,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:27,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:27,044 INFO L87 Difference]: Start difference. First operand 17314 states and 48569 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:29,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:29,651 INFO L93 Difference]: Finished difference Result 37171 states and 102651 transitions. [2022-09-16 10:38:29,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:29,651 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:29,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:29,729 INFO L225 Difference]: With dead ends: 37171 [2022-09-16 10:38:29,730 INFO L226 Difference]: Without dead ends: 37171 [2022-09-16 10:38:29,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:29,730 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 1578 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 3176 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:29,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 3176 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:38:29,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37171 states. [2022-09-16 10:38:30,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37171 to 17265. [2022-09-16 10:38:30,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17265 states, 17221 states have (on average 2.8118576157017596) internal successors, (48423), 17264 states have internal predecessors, (48423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:30,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17265 states to 17265 states and 48423 transitions. [2022-09-16 10:38:30,133 INFO L78 Accepts]: Start accepts. Automaton has 17265 states and 48423 transitions. Word has length 70 [2022-09-16 10:38:30,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:30,134 INFO L495 AbstractCegarLoop]: Abstraction has 17265 states and 48423 transitions. [2022-09-16 10:38:30,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:30,134 INFO L276 IsEmpty]: Start isEmpty. Operand 17265 states and 48423 transitions. [2022-09-16 10:38:30,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:30,137 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:30,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:30,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-09-16 10:38:30,137 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:30,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:30,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1713828772, now seen corresponding path program 30 times [2022-09-16 10:38:30,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:30,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295447891] [2022-09-16 10:38:30,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:30,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:30,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:30,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:30,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295447891] [2022-09-16 10:38:30,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295447891] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:30,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:30,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:30,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950063189] [2022-09-16 10:38:30,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:30,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:30,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:30,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:30,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:30,470 INFO L87 Difference]: Start difference. First operand 17265 states and 48423 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:33,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:33,030 INFO L93 Difference]: Finished difference Result 29839 states and 83047 transitions. [2022-09-16 10:38:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:33,030 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:33,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:33,092 INFO L225 Difference]: With dead ends: 29839 [2022-09-16 10:38:33,092 INFO L226 Difference]: Without dead ends: 29839 [2022-09-16 10:38:33,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:33,093 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 1659 mSDsluCounter, 3143 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1659 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:33,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1659 Valid, 3520 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:38:33,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29839 states. [2022-09-16 10:38:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29839 to 17949. [2022-09-16 10:38:33,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17949 states, 17905 states have (on average 2.8181513543702876) internal successors, (50459), 17948 states have internal predecessors, (50459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17949 states to 17949 states and 50459 transitions. [2022-09-16 10:38:33,588 INFO L78 Accepts]: Start accepts. Automaton has 17949 states and 50459 transitions. Word has length 70 [2022-09-16 10:38:33,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:33,588 INFO L495 AbstractCegarLoop]: Abstraction has 17949 states and 50459 transitions. [2022-09-16 10:38:33,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 17949 states and 50459 transitions. [2022-09-16 10:38:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:33,592 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:33,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:33,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-09-16 10:38:33,592 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:33,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:33,592 INFO L85 PathProgramCache]: Analyzing trace with hash 962201222, now seen corresponding path program 31 times [2022-09-16 10:38:33,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:33,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098313985] [2022-09-16 10:38:33,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:33,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:33,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:33,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098313985] [2022-09-16 10:38:33,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098313985] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:33,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:33,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:33,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356837451] [2022-09-16 10:38:33,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:33,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:33,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:33,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:33,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:33,937 INFO L87 Difference]: Start difference. First operand 17949 states and 50459 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:36,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:36,707 INFO L93 Difference]: Finished difference Result 57589 states and 158464 transitions. [2022-09-16 10:38:36,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:36,708 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:36,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:36,852 INFO L225 Difference]: With dead ends: 57589 [2022-09-16 10:38:36,852 INFO L226 Difference]: Without dead ends: 57589 [2022-09-16 10:38:36,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:36,853 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 1858 mSDsluCounter, 3283 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 3661 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:36,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 3661 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:36,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57589 states. [2022-09-16 10:38:37,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57589 to 18243. [2022-09-16 10:38:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18243 states, 18199 states have (on average 2.8207593823836477) internal successors, (51335), 18242 states have internal predecessors, (51335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18243 states to 18243 states and 51335 transitions. [2022-09-16 10:38:37,607 INFO L78 Accepts]: Start accepts. Automaton has 18243 states and 51335 transitions. Word has length 70 [2022-09-16 10:38:37,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:37,607 INFO L495 AbstractCegarLoop]: Abstraction has 18243 states and 51335 transitions. [2022-09-16 10:38:37,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:37,608 INFO L276 IsEmpty]: Start isEmpty. Operand 18243 states and 51335 transitions. [2022-09-16 10:38:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:37,611 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:37,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:37,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-09-16 10:38:37,611 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:37,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:37,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1931863142, now seen corresponding path program 32 times [2022-09-16 10:38:37,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:37,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25568486] [2022-09-16 10:38:37,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:37,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:37,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:37,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25568486] [2022-09-16 10:38:37,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25568486] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:37,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:37,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:37,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523501400] [2022-09-16 10:38:37,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:37,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:37,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:37,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:37,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:37,966 INFO L87 Difference]: Start difference. First operand 18243 states and 51335 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:40,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:40,771 INFO L93 Difference]: Finished difference Result 55385 states and 150931 transitions. [2022-09-16 10:38:40,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:40,772 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:40,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:40,897 INFO L225 Difference]: With dead ends: 55385 [2022-09-16 10:38:40,897 INFO L226 Difference]: Without dead ends: 55385 [2022-09-16 10:38:40,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:40,898 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 1701 mSDsluCounter, 3258 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 3651 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:40,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1701 Valid, 3651 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55385 states. [2022-09-16 10:38:41,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55385 to 18194. [2022-09-16 10:38:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18194 states, 18150 states have (on average 2.820330578512397) internal successors, (51189), 18193 states have internal predecessors, (51189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18194 states to 18194 states and 51189 transitions. [2022-09-16 10:38:41,601 INFO L78 Accepts]: Start accepts. Automaton has 18194 states and 51189 transitions. Word has length 70 [2022-09-16 10:38:41,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:41,602 INFO L495 AbstractCegarLoop]: Abstraction has 18194 states and 51189 transitions. [2022-09-16 10:38:41,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 18194 states and 51189 transitions. [2022-09-16 10:38:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:41,605 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:41,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:41,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-09-16 10:38:41,605 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:41,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:41,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1716573564, now seen corresponding path program 33 times [2022-09-16 10:38:41,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:41,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907958567] [2022-09-16 10:38:41,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:41,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:41,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:41,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907958567] [2022-09-16 10:38:41,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907958567] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:41,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:41,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:41,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587646237] [2022-09-16 10:38:41,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:41,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:41,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:41,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:41,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:41,936 INFO L87 Difference]: Start difference. First operand 18194 states and 51189 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:44,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:44,581 INFO L93 Difference]: Finished difference Result 48214 states and 131664 transitions. [2022-09-16 10:38:44,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:44,582 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:44,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:44,688 INFO L225 Difference]: With dead ends: 48214 [2022-09-16 10:38:44,688 INFO L226 Difference]: Without dead ends: 48214 [2022-09-16 10:38:44,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:44,689 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1572 mSDsluCounter, 2954 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 3347 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:44,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 3347 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:38:44,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48214 states. [2022-09-16 10:38:45,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48214 to 18096. [2022-09-16 10:38:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18096 states, 18052 states have (on average 2.8194659871482384) internal successors, (50897), 18095 states have internal predecessors, (50897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18096 states to 18096 states and 50897 transitions. [2022-09-16 10:38:45,185 INFO L78 Accepts]: Start accepts. Automaton has 18096 states and 50897 transitions. Word has length 70 [2022-09-16 10:38:45,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:45,186 INFO L495 AbstractCegarLoop]: Abstraction has 18096 states and 50897 transitions. [2022-09-16 10:38:45,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:45,186 INFO L276 IsEmpty]: Start isEmpty. Operand 18096 states and 50897 transitions. [2022-09-16 10:38:45,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:45,189 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:45,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:45,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-09-16 10:38:45,189 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:45,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:45,189 INFO L85 PathProgramCache]: Analyzing trace with hash 799403110, now seen corresponding path program 34 times [2022-09-16 10:38:45,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:45,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432674105] [2022-09-16 10:38:45,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:45,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:45,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:45,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432674105] [2022-09-16 10:38:45,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432674105] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:45,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:45,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:45,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776061501] [2022-09-16 10:38:45,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:45,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:45,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:45,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:45,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:45,573 INFO L87 Difference]: Start difference. First operand 18096 states and 50897 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:48,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:48,117 INFO L93 Difference]: Finished difference Result 47399 states and 129355 transitions. [2022-09-16 10:38:48,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:48,117 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:48,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:48,211 INFO L225 Difference]: With dead ends: 47399 [2022-09-16 10:38:48,211 INFO L226 Difference]: Without dead ends: 47399 [2022-09-16 10:38:48,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:48,212 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 1713 mSDsluCounter, 3310 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 3681 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:48,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1713 Valid, 3681 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:48,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47399 states. [2022-09-16 10:38:48,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47399 to 18194. [2022-09-16 10:38:48,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18194 states, 18150 states have (on average 2.820330578512397) internal successors, (51189), 18193 states have internal predecessors, (51189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:48,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18194 states to 18194 states and 51189 transitions. [2022-09-16 10:38:48,764 INFO L78 Accepts]: Start accepts. Automaton has 18194 states and 51189 transitions. Word has length 70 [2022-09-16 10:38:48,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:48,764 INFO L495 AbstractCegarLoop]: Abstraction has 18194 states and 51189 transitions. [2022-09-16 10:38:48,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:48,764 INFO L276 IsEmpty]: Start isEmpty. Operand 18194 states and 51189 transitions. [2022-09-16 10:38:48,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:48,768 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:48,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:48,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-09-16 10:38:48,768 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:48,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:48,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1769065030, now seen corresponding path program 35 times [2022-09-16 10:38:48,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:48,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300851357] [2022-09-16 10:38:48,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:48,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:49,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:49,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:49,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300851357] [2022-09-16 10:38:49,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300851357] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:49,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:49,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:49,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299915529] [2022-09-16 10:38:49,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:49,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:49,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:49,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:49,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:49,086 INFO L87 Difference]: Start difference. First operand 18194 states and 51189 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:51,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:51,677 INFO L93 Difference]: Finished difference Result 49508 states and 134279 transitions. [2022-09-16 10:38:51,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:51,678 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:51,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:51,776 INFO L225 Difference]: With dead ends: 49508 [2022-09-16 10:38:51,776 INFO L226 Difference]: Without dead ends: 49508 [2022-09-16 10:38:51,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:51,777 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 1635 mSDsluCounter, 2878 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 3277 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:51,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 3277 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:38:51,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49508 states. [2022-09-16 10:38:52,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49508 to 18145. [2022-09-16 10:38:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18145 states, 18101 states have (on average 2.8198994530688912) internal successors, (51043), 18144 states have internal predecessors, (51043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18145 states to 18145 states and 51043 transitions. [2022-09-16 10:38:52,319 INFO L78 Accepts]: Start accepts. Automaton has 18145 states and 51043 transitions. Word has length 70 [2022-09-16 10:38:52,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:52,319 INFO L495 AbstractCegarLoop]: Abstraction has 18145 states and 51043 transitions. [2022-09-16 10:38:52,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:52,319 INFO L276 IsEmpty]: Start isEmpty. Operand 18145 states and 51043 transitions. [2022-09-16 10:38:52,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:52,322 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:52,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:52,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-09-16 10:38:52,323 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:52,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:52,323 INFO L85 PathProgramCache]: Analyzing trace with hash -920212860, now seen corresponding path program 36 times [2022-09-16 10:38:52,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:52,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575945072] [2022-09-16 10:38:52,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:52,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:52,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:52,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575945072] [2022-09-16 10:38:52,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575945072] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:52,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:52,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:52,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626203544] [2022-09-16 10:38:52,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:52,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:52,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:52,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:52,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:52,821 INFO L87 Difference]: Start difference. First operand 18145 states and 51043 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:55,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:55,299 INFO L93 Difference]: Finished difference Result 47791 states and 129693 transitions. [2022-09-16 10:38:55,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:55,303 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:55,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:55,409 INFO L225 Difference]: With dead ends: 47791 [2022-09-16 10:38:55,409 INFO L226 Difference]: Without dead ends: 47791 [2022-09-16 10:38:55,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:55,410 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 1784 mSDsluCounter, 2839 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:55,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 3233 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:38:55,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47791 states. [2022-09-16 10:38:56,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47791 to 18194. [2022-09-16 10:38:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18194 states, 18150 states have (on average 2.820330578512397) internal successors, (51189), 18193 states have internal predecessors, (51189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18194 states to 18194 states and 51189 transitions. [2022-09-16 10:38:56,131 INFO L78 Accepts]: Start accepts. Automaton has 18194 states and 51189 transitions. Word has length 70 [2022-09-16 10:38:56,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:56,131 INFO L495 AbstractCegarLoop]: Abstraction has 18194 states and 51189 transitions. [2022-09-16 10:38:56,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:56,131 INFO L276 IsEmpty]: Start isEmpty. Operand 18194 states and 51189 transitions. [2022-09-16 10:38:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:56,134 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:56,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:56,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-09-16 10:38:56,134 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:56,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:56,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1594156134, now seen corresponding path program 37 times [2022-09-16 10:38:56,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:56,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688447997] [2022-09-16 10:38:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:56,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:56,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:56,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688447997] [2022-09-16 10:38:56,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688447997] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:56,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:56,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:38:56,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706945872] [2022-09-16 10:38:56,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:56,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:38:56,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:56,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:38:56,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:38:56,502 INFO L87 Difference]: Start difference. First operand 18194 states and 51189 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:59,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:59,153 INFO L93 Difference]: Finished difference Result 40316 states and 109872 transitions. [2022-09-16 10:38:59,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:38:59,154 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:38:59,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:59,234 INFO L225 Difference]: With dead ends: 40316 [2022-09-16 10:38:59,234 INFO L226 Difference]: Without dead ends: 40316 [2022-09-16 10:38:59,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:38:59,235 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 1702 mSDsluCounter, 2881 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1702 SdHoareTripleChecker+Valid, 3259 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:59,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1702 Valid, 3259 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:59,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40316 states. [2022-09-16 10:38:59,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40316 to 17998. [2022-09-16 10:38:59,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17998 states, 17954 states have (on average 2.818591957224017) internal successors, (50605), 17997 states have internal predecessors, (50605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17998 states to 17998 states and 50605 transitions. [2022-09-16 10:38:59,650 INFO L78 Accepts]: Start accepts. Automaton has 17998 states and 50605 transitions. Word has length 70 [2022-09-16 10:38:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:59,650 INFO L495 AbstractCegarLoop]: Abstraction has 17998 states and 50605 transitions. [2022-09-16 10:38:59,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 17998 states and 50605 transitions. [2022-09-16 10:38:59,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:38:59,653 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:59,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:59,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-09-16 10:38:59,654 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:59,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:59,654 INFO L85 PathProgramCache]: Analyzing trace with hash 330233704, now seen corresponding path program 38 times [2022-09-16 10:38:59,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:59,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890533637] [2022-09-16 10:38:59,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:59,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:00,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:00,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890533637] [2022-09-16 10:39:00,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890533637] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:00,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:00,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:00,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43748940] [2022-09-16 10:39:00,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:00,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:00,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:00,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:00,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:00,028 INFO L87 Difference]: Start difference. First operand 17998 states and 50605 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:02,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:02,526 INFO L93 Difference]: Finished difference Result 41605 states and 114136 transitions. [2022-09-16 10:39:02,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:02,527 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:02,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:02,607 INFO L225 Difference]: With dead ends: 41605 [2022-09-16 10:39:02,607 INFO L226 Difference]: Without dead ends: 41605 [2022-09-16 10:39:02,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:02,608 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 1717 mSDsluCounter, 3234 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 3613 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:02,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 3613 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:02,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41605 states. [2022-09-16 10:39:03,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41605 to 18194. [2022-09-16 10:39:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18194 states, 18150 states have (on average 2.820330578512397) internal successors, (51189), 18193 states have internal predecessors, (51189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18194 states to 18194 states and 51189 transitions. [2022-09-16 10:39:03,150 INFO L78 Accepts]: Start accepts. Automaton has 18194 states and 51189 transitions. Word has length 70 [2022-09-16 10:39:03,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:03,150 INFO L495 AbstractCegarLoop]: Abstraction has 18194 states and 51189 transitions. [2022-09-16 10:39:03,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 18194 states and 51189 transitions. [2022-09-16 10:39:03,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:03,153 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:03,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:03,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-09-16 10:39:03,154 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:03,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:03,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1299895624, now seen corresponding path program 39 times [2022-09-16 10:39:03,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:03,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273223139] [2022-09-16 10:39:03,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:03,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:03,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:03,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273223139] [2022-09-16 10:39:03,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273223139] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:03,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:03,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:03,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188573152] [2022-09-16 10:39:03,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:03,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:03,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:03,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:03,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:03,462 INFO L87 Difference]: Start difference. First operand 18194 states and 51189 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:06,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:06,010 INFO L93 Difference]: Finished difference Result 39401 states and 106603 transitions. [2022-09-16 10:39:06,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:06,011 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:06,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:06,094 INFO L225 Difference]: With dead ends: 39401 [2022-09-16 10:39:06,094 INFO L226 Difference]: Without dead ends: 39401 [2022-09-16 10:39:06,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:06,095 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 1728 mSDsluCounter, 3219 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 3605 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:06,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1728 Valid, 3605 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:06,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39401 states. [2022-09-16 10:39:06,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39401 to 18145. [2022-09-16 10:39:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18145 states, 18101 states have (on average 2.8198994530688912) internal successors, (51043), 18144 states have internal predecessors, (51043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18145 states to 18145 states and 51043 transitions. [2022-09-16 10:39:06,597 INFO L78 Accepts]: Start accepts. Automaton has 18145 states and 51043 transitions. Word has length 70 [2022-09-16 10:39:06,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:06,597 INFO L495 AbstractCegarLoop]: Abstraction has 18145 states and 51043 transitions. [2022-09-16 10:39:06,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 18145 states and 51043 transitions. [2022-09-16 10:39:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:06,601 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:06,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:06,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-09-16 10:39:06,601 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:06,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:06,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1946426214, now seen corresponding path program 40 times [2022-09-16 10:39:06,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:06,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325706708] [2022-09-16 10:39:06,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:06,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:06,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:06,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:06,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325706708] [2022-09-16 10:39:06,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325706708] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:06,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:06,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:06,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500000289] [2022-09-16 10:39:06,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:06,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:06,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:06,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:06,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:06,906 INFO L87 Difference]: Start difference. First operand 18145 states and 51043 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:09,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:09,435 INFO L93 Difference]: Finished difference Result 39492 states and 107421 transitions. [2022-09-16 10:39:09,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:09,435 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:09,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:09,508 INFO L225 Difference]: With dead ends: 39492 [2022-09-16 10:39:09,508 INFO L226 Difference]: Without dead ends: 39492 [2022-09-16 10:39:09,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:09,509 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 1644 mSDsluCounter, 2901 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 3299 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:09,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 3299 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:09,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39492 states. [2022-09-16 10:39:09,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39492 to 18047. [2022-09-16 10:39:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18047 states, 18003 states have (on average 2.8190301616397266) internal successors, (50751), 18046 states have internal predecessors, (50751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:09,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18047 states to 18047 states and 50751 transitions. [2022-09-16 10:39:09,929 INFO L78 Accepts]: Start accepts. Automaton has 18047 states and 50751 transitions. Word has length 70 [2022-09-16 10:39:09,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:09,929 INFO L495 AbstractCegarLoop]: Abstraction has 18047 states and 50751 transitions. [2022-09-16 10:39:09,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:09,929 INFO L276 IsEmpty]: Start isEmpty. Operand 18047 states and 50751 transitions. [2022-09-16 10:39:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:09,932 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:09,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:09,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-09-16 10:39:09,933 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:09,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:09,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1143257732, now seen corresponding path program 41 times [2022-09-16 10:39:09,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:09,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450755619] [2022-09-16 10:39:09,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:09,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:10,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:10,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450755619] [2022-09-16 10:39:10,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450755619] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:10,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:10,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:10,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116379417] [2022-09-16 10:39:10,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:10,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:10,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:10,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:10,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:10,248 INFO L87 Difference]: Start difference. First operand 18047 states and 50751 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:12,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:12,698 INFO L93 Difference]: Finished difference Result 29570 states and 80798 transitions. [2022-09-16 10:39:12,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:12,698 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:12,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:12,755 INFO L225 Difference]: With dead ends: 29570 [2022-09-16 10:39:12,756 INFO L226 Difference]: Without dead ends: 29570 [2022-09-16 10:39:12,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:12,756 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 1561 mSDsluCounter, 2917 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 3306 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:12,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 3306 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:12,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29570 states. [2022-09-16 10:39:13,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29570 to 17949. [2022-09-16 10:39:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17949 states, 17905 states have (on average 2.8181513543702876) internal successors, (50459), 17948 states have internal predecessors, (50459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:13,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17949 states to 17949 states and 50459 transitions. [2022-09-16 10:39:13,123 INFO L78 Accepts]: Start accepts. Automaton has 17949 states and 50459 transitions. Word has length 70 [2022-09-16 10:39:13,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:13,123 INFO L495 AbstractCegarLoop]: Abstraction has 17949 states and 50459 transitions. [2022-09-16 10:39:13,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 17949 states and 50459 transitions. [2022-09-16 10:39:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:13,126 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:13,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:13,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-09-16 10:39:13,127 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:13,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:13,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1407642210, now seen corresponding path program 42 times [2022-09-16 10:39:13,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:13,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735275434] [2022-09-16 10:39:13,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:13,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:13,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:13,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735275434] [2022-09-16 10:39:13,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735275434] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:13,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:13,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:39:13,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982783528] [2022-09-16 10:39:13,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:13,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:39:13,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:13,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:39:13,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:39:13,420 INFO L87 Difference]: Start difference. First operand 17949 states and 50459 transitions. Second operand has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:16,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:16,004 INFO L93 Difference]: Finished difference Result 32608 states and 91223 transitions. [2022-09-16 10:39:16,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:16,005 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:16,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:16,067 INFO L225 Difference]: With dead ends: 32608 [2022-09-16 10:39:16,067 INFO L226 Difference]: Without dead ends: 32608 [2022-09-16 10:39:16,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=523, Invalid=1283, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:39:16,068 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 1488 mSDsluCounter, 3508 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 3853 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:16,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 3853 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:16,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32608 states. [2022-09-16 10:39:16,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32608 to 18536. [2022-09-16 10:39:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18536 states, 18492 states have (on average 2.823220852260437) internal successors, (52207), 18535 states have internal predecessors, (52207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 52207 transitions. [2022-09-16 10:39:16,454 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 52207 transitions. Word has length 70 [2022-09-16 10:39:16,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:16,455 INFO L495 AbstractCegarLoop]: Abstraction has 18536 states and 52207 transitions. [2022-09-16 10:39:16,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:16,455 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 52207 transitions. [2022-09-16 10:39:16,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:16,458 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:16,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:16,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-09-16 10:39:16,458 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:16,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:16,459 INFO L85 PathProgramCache]: Analyzing trace with hash -722926166, now seen corresponding path program 43 times [2022-09-16 10:39:16,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:16,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052033087] [2022-09-16 10:39:16,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:16,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:16,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:16,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052033087] [2022-09-16 10:39:16,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052033087] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:16,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:16,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:16,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978687679] [2022-09-16 10:39:16,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:16,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:16,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:16,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:16,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:16,765 INFO L87 Difference]: Start difference. First operand 18536 states and 52207 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:19,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:19,355 INFO L93 Difference]: Finished difference Result 42190 states and 116760 transitions. [2022-09-16 10:39:19,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:19,356 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:19,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:19,435 INFO L225 Difference]: With dead ends: 42190 [2022-09-16 10:39:19,435 INFO L226 Difference]: Without dead ends: 42190 [2022-09-16 10:39:19,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:19,436 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 1636 mSDsluCounter, 2748 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 3162 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:19,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 3162 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:19,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42190 states. [2022-09-16 10:39:19,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42190 to 18683. [2022-09-16 10:39:19,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18683 states, 18639 states have (on average 2.8244541016148936) internal successors, (52645), 18682 states have internal predecessors, (52645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:19,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18683 states to 18683 states and 52645 transitions. [2022-09-16 10:39:19,870 INFO L78 Accepts]: Start accepts. Automaton has 18683 states and 52645 transitions. Word has length 70 [2022-09-16 10:39:19,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:19,870 INFO L495 AbstractCegarLoop]: Abstraction has 18683 states and 52645 transitions. [2022-09-16 10:39:19,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:19,870 INFO L276 IsEmpty]: Start isEmpty. Operand 18683 states and 52645 transitions. [2022-09-16 10:39:19,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:19,874 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:19,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:19,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-09-16 10:39:19,874 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:19,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:19,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1791442828, now seen corresponding path program 44 times [2022-09-16 10:39:19,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:19,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883600437] [2022-09-16 10:39:19,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:19,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:20,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:20,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:20,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883600437] [2022-09-16 10:39:20,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883600437] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:20,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:20,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:20,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86828184] [2022-09-16 10:39:20,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:20,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:20,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:20,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:20,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:20,242 INFO L87 Difference]: Start difference. First operand 18683 states and 52645 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:22,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:22,817 INFO L93 Difference]: Finished difference Result 41788 states and 115843 transitions. [2022-09-16 10:39:22,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:22,818 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:22,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:22,908 INFO L225 Difference]: With dead ends: 41788 [2022-09-16 10:39:22,909 INFO L226 Difference]: Without dead ends: 41788 [2022-09-16 10:39:22,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:22,909 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 1552 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 3168 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:22,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 3168 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1019 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:22,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41788 states. [2022-09-16 10:39:23,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41788 to 18634. [2022-09-16 10:39:23,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18634 states, 18590 states have (on average 2.824045185583647) internal successors, (52499), 18633 states have internal predecessors, (52499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:23,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18634 states to 18634 states and 52499 transitions. [2022-09-16 10:39:23,383 INFO L78 Accepts]: Start accepts. Automaton has 18634 states and 52499 transitions. Word has length 70 [2022-09-16 10:39:23,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:23,383 INFO L495 AbstractCegarLoop]: Abstraction has 18634 states and 52499 transitions. [2022-09-16 10:39:23,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:23,383 INFO L276 IsEmpty]: Start isEmpty. Operand 18634 states and 52499 transitions. [2022-09-16 10:39:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:23,387 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:23,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:23,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-09-16 10:39:23,387 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:23,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:23,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1970920442, now seen corresponding path program 45 times [2022-09-16 10:39:23,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:23,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108641631] [2022-09-16 10:39:23,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:23,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:23,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:23,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108641631] [2022-09-16 10:39:23,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108641631] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:23,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:23,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:23,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244327243] [2022-09-16 10:39:23,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:23,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:23,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:23,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:23,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:23,719 INFO L87 Difference]: Start difference. First operand 18634 states and 52499 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:26,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:26,256 INFO L93 Difference]: Finished difference Result 37262 states and 103129 transitions. [2022-09-16 10:39:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:26,256 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:26,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:26,334 INFO L225 Difference]: With dead ends: 37262 [2022-09-16 10:39:26,334 INFO L226 Difference]: Without dead ends: 37262 [2022-09-16 10:39:26,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:26,335 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 1741 mSDsluCounter, 3119 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 3504 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:26,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 3504 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:26,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37262 states. [2022-09-16 10:39:26,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37262 to 18536. [2022-09-16 10:39:26,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18536 states, 18492 states have (on average 2.823220852260437) internal successors, (52207), 18535 states have internal predecessors, (52207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 52207 transitions. [2022-09-16 10:39:26,834 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 52207 transitions. Word has length 70 [2022-09-16 10:39:26,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:26,834 INFO L495 AbstractCegarLoop]: Abstraction has 18536 states and 52207 transitions. [2022-09-16 10:39:26,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:26,835 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 52207 transitions. [2022-09-16 10:39:26,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:26,838 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:26,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:26,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-09-16 10:39:26,838 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:26,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:26,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1440825850, now seen corresponding path program 46 times [2022-09-16 10:39:26,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:26,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599033421] [2022-09-16 10:39:26,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:26,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:27,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:27,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599033421] [2022-09-16 10:39:27,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599033421] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:27,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:27,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:27,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413015745] [2022-09-16 10:39:27,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:27,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:27,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:27,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:27,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:27,148 INFO L87 Difference]: Start difference. First operand 18536 states and 52207 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:29,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:29,639 INFO L93 Difference]: Finished difference Result 42476 states and 118106 transitions. [2022-09-16 10:39:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:29,640 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:29,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:29,733 INFO L225 Difference]: With dead ends: 42476 [2022-09-16 10:39:29,734 INFO L226 Difference]: Without dead ends: 42476 [2022-09-16 10:39:29,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:29,734 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 1723 mSDsluCounter, 3203 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 3582 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:29,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 3582 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:29,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42476 states. [2022-09-16 10:39:30,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42476 to 18732. [2022-09-16 10:39:30,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18732 states, 18688 states have (on average 2.824860873287671) internal successors, (52791), 18731 states have internal predecessors, (52791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18732 states to 18732 states and 52791 transitions. [2022-09-16 10:39:30,320 INFO L78 Accepts]: Start accepts. Automaton has 18732 states and 52791 transitions. Word has length 70 [2022-09-16 10:39:30,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:30,320 INFO L495 AbstractCegarLoop]: Abstraction has 18732 states and 52791 transitions. [2022-09-16 10:39:30,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:30,320 INFO L276 IsEmpty]: Start isEmpty. Operand 18732 states and 52791 transitions. [2022-09-16 10:39:30,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:30,324 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:30,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:30,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-09-16 10:39:30,324 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:30,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:30,324 INFO L85 PathProgramCache]: Analyzing trace with hash -471163930, now seen corresponding path program 47 times [2022-09-16 10:39:30,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:30,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260432226] [2022-09-16 10:39:30,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:30,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:30,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:30,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260432226] [2022-09-16 10:39:30,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260432226] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:30,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:30,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:30,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955297301] [2022-09-16 10:39:30,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:30,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:30,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:30,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:30,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:30,680 INFO L87 Difference]: Start difference. First operand 18732 states and 52791 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:33,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:33,228 INFO L93 Difference]: Finished difference Result 44585 states and 123030 transitions. [2022-09-16 10:39:33,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:33,229 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:33,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:33,324 INFO L225 Difference]: With dead ends: 44585 [2022-09-16 10:39:33,325 INFO L226 Difference]: Without dead ends: 44585 [2022-09-16 10:39:33,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:33,325 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 1726 mSDsluCounter, 3190 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 3594 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:33,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1726 Valid, 3594 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:33,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44585 states. [2022-09-16 10:39:33,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44585 to 18683. [2022-09-16 10:39:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18683 states, 18639 states have (on average 2.8244541016148936) internal successors, (52645), 18682 states have internal predecessors, (52645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18683 states to 18683 states and 52645 transitions. [2022-09-16 10:39:33,910 INFO L78 Accepts]: Start accepts. Automaton has 18683 states and 52645 transitions. Word has length 70 [2022-09-16 10:39:33,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:33,910 INFO L495 AbstractCegarLoop]: Abstraction has 18683 states and 52645 transitions. [2022-09-16 10:39:33,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:33,910 INFO L276 IsEmpty]: Start isEmpty. Operand 18683 states and 52645 transitions. [2022-09-16 10:39:33,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:33,914 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:33,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:33,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-09-16 10:39:33,914 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:33,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:33,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1134525476, now seen corresponding path program 48 times [2022-09-16 10:39:33,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:33,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363969418] [2022-09-16 10:39:33,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:33,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:34,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:34,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363969418] [2022-09-16 10:39:34,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363969418] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:34,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:34,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:34,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384746636] [2022-09-16 10:39:34,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:34,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:34,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:34,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:34,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:34,231 INFO L87 Difference]: Start difference. First operand 18683 states and 52645 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:36,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:36,875 INFO L93 Difference]: Finished difference Result 53658 states and 147060 transitions. [2022-09-16 10:39:36,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:36,875 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:36,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:36,987 INFO L225 Difference]: With dead ends: 53658 [2022-09-16 10:39:36,987 INFO L226 Difference]: Without dead ends: 53658 [2022-09-16 10:39:36,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:36,987 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1772 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1772 SdHoareTripleChecker+Valid, 3584 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:36,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1772 Valid, 3584 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:37,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53658 states. [2022-09-16 10:39:37,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53658 to 18732. [2022-09-16 10:39:37,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18732 states, 18688 states have (on average 2.824860873287671) internal successors, (52791), 18731 states have internal predecessors, (52791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:37,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18732 states to 18732 states and 52791 transitions. [2022-09-16 10:39:37,707 INFO L78 Accepts]: Start accepts. Automaton has 18732 states and 52791 transitions. Word has length 70 [2022-09-16 10:39:37,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:37,708 INFO L495 AbstractCegarLoop]: Abstraction has 18732 states and 52791 transitions. [2022-09-16 10:39:37,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:37,708 INFO L276 IsEmpty]: Start isEmpty. Operand 18732 states and 52791 transitions. [2022-09-16 10:39:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:37,711 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:37,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:37,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-09-16 10:39:37,711 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:37,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:37,711 INFO L85 PathProgramCache]: Analyzing trace with hash -646072826, now seen corresponding path program 49 times [2022-09-16 10:39:37,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:37,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76823332] [2022-09-16 10:39:37,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:37,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:38,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:38,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76823332] [2022-09-16 10:39:38,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76823332] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:38,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:38,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:38,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859678725] [2022-09-16 10:39:38,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:38,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:38,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:38,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:38,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:38,088 INFO L87 Difference]: Start difference. First operand 18732 states and 52791 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:40,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:40,894 INFO L93 Difference]: Finished difference Result 45193 states and 124800 transitions. [2022-09-16 10:39:40,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:40,895 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:40,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:41,007 INFO L225 Difference]: With dead ends: 45193 [2022-09-16 10:39:41,008 INFO L226 Difference]: Without dead ends: 45193 [2022-09-16 10:39:41,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:41,008 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 1810 mSDsluCounter, 2781 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1810 SdHoareTripleChecker+Valid, 3180 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:41,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1810 Valid, 3180 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:41,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45193 states. [2022-09-16 10:39:41,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45193 to 18634. [2022-09-16 10:39:41,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18634 states, 18590 states have (on average 2.824045185583647) internal successors, (52499), 18633 states have internal predecessors, (52499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18634 states to 18634 states and 52499 transitions. [2022-09-16 10:39:41,513 INFO L78 Accepts]: Start accepts. Automaton has 18634 states and 52499 transitions. Word has length 70 [2022-09-16 10:39:41,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:41,513 INFO L495 AbstractCegarLoop]: Abstraction has 18634 states and 52499 transitions. [2022-09-16 10:39:41,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 18634 states and 52499 transitions. [2022-09-16 10:39:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:41,516 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:41,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:41,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-09-16 10:39:41,516 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:41,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:41,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2065818952, now seen corresponding path program 50 times [2022-09-16 10:39:41,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:41,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593537683] [2022-09-16 10:39:41,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:41,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:41,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:41,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:41,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593537683] [2022-09-16 10:39:41,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593537683] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:41,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:41,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:41,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183224114] [2022-09-16 10:39:41,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:41,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:41,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:41,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:41,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:41,841 INFO L87 Difference]: Start difference. First operand 18634 states and 52499 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:44,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:44,522 INFO L93 Difference]: Finished difference Result 50330 states and 137190 transitions. [2022-09-16 10:39:44,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:44,523 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:44,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:44,636 INFO L225 Difference]: With dead ends: 50330 [2022-09-16 10:39:44,637 INFO L226 Difference]: Without dead ends: 50330 [2022-09-16 10:39:44,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:44,637 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1610 mSDsluCounter, 3263 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 3661 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:44,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 3661 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:44,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50330 states. [2022-09-16 10:39:45,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50330 to 18781. [2022-09-16 10:39:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18781 states, 18737 states have (on average 2.825265517425415) internal successors, (52937), 18780 states have internal predecessors, (52937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18781 states to 18781 states and 52937 transitions. [2022-09-16 10:39:45,176 INFO L78 Accepts]: Start accepts. Automaton has 18781 states and 52937 transitions. Word has length 70 [2022-09-16 10:39:45,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:45,176 INFO L495 AbstractCegarLoop]: Abstraction has 18781 states and 52937 transitions. [2022-09-16 10:39:45,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:45,176 INFO L276 IsEmpty]: Start isEmpty. Operand 18781 states and 52937 transitions. [2022-09-16 10:39:45,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:45,179 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:45,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:45,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-09-16 10:39:45,179 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:45,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:45,180 INFO L85 PathProgramCache]: Analyzing trace with hash 285220650, now seen corresponding path program 51 times [2022-09-16 10:39:45,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:45,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420164958] [2022-09-16 10:39:45,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:45,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:45,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:45,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420164958] [2022-09-16 10:39:45,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420164958] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:45,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:45,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:45,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894591955] [2022-09-16 10:39:45,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:45,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:45,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:45,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:45,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:45,498 INFO L87 Difference]: Start difference. First operand 18781 states and 52937 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:48,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:48,426 INFO L93 Difference]: Finished difference Result 49928 states and 136273 transitions. [2022-09-16 10:39:48,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:48,427 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:48,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:48,526 INFO L225 Difference]: With dead ends: 49928 [2022-09-16 10:39:48,527 INFO L226 Difference]: Without dead ends: 49928 [2022-09-16 10:39:48,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:48,527 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 1552 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 3650 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:48,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 3650 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:48,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49928 states. [2022-09-16 10:39:49,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49928 to 18732. [2022-09-16 10:39:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18732 states, 18688 states have (on average 2.824860873287671) internal successors, (52791), 18731 states have internal predecessors, (52791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18732 states to 18732 states and 52791 transitions. [2022-09-16 10:39:49,200 INFO L78 Accepts]: Start accepts. Automaton has 18732 states and 52791 transitions. Word has length 70 [2022-09-16 10:39:49,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:49,200 INFO L495 AbstractCegarLoop]: Abstraction has 18732 states and 52791 transitions. [2022-09-16 10:39:49,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:49,201 INFO L276 IsEmpty]: Start isEmpty. Operand 18732 states and 52791 transitions. [2022-09-16 10:39:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:49,203 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:49,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:49,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-09-16 10:39:49,204 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:49,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:49,204 INFO L85 PathProgramCache]: Analyzing trace with hash 817824676, now seen corresponding path program 52 times [2022-09-16 10:39:49,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:49,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699039987] [2022-09-16 10:39:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:49,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:49,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:49,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:49,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699039987] [2022-09-16 10:39:49,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699039987] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:49,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:49,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:49,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350402560] [2022-09-16 10:39:49,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:49,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:49,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:49,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:49,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:49,521 INFO L87 Difference]: Start difference. First operand 18732 states and 52791 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:52,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:52,107 INFO L93 Difference]: Finished difference Result 41606 states and 114230 transitions. [2022-09-16 10:39:52,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:52,108 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:52,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:52,197 INFO L225 Difference]: With dead ends: 41606 [2022-09-16 10:39:52,197 INFO L226 Difference]: Without dead ends: 41606 [2022-09-16 10:39:52,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:52,198 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 1465 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 3589 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:52,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 3589 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:52,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41606 states. [2022-09-16 10:39:52,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41606 to 18536. [2022-09-16 10:39:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18536 states, 18492 states have (on average 2.823220852260437) internal successors, (52207), 18535 states have internal predecessors, (52207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 52207 transitions. [2022-09-16 10:39:52,687 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 52207 transitions. Word has length 70 [2022-09-16 10:39:52,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:52,687 INFO L495 AbstractCegarLoop]: Abstraction has 18536 states and 52207 transitions. [2022-09-16 10:39:52,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 52207 transitions. [2022-09-16 10:39:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:52,690 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:52,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:52,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-09-16 10:39:52,691 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:52,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:52,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1759791050, now seen corresponding path program 53 times [2022-09-16 10:39:52,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:52,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603518014] [2022-09-16 10:39:52,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:52,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:52,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:52,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603518014] [2022-09-16 10:39:52,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603518014] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:52,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:52,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:52,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639448532] [2022-09-16 10:39:52,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:52,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:52,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:52,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:52,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:52,985 INFO L87 Difference]: Start difference. First operand 18536 states and 52207 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:55,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:55,653 INFO L93 Difference]: Finished difference Result 55369 states and 154585 transitions. [2022-09-16 10:39:55,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:55,654 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:55,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:55,789 INFO L225 Difference]: With dead ends: 55369 [2022-09-16 10:39:55,790 INFO L226 Difference]: Without dead ends: 55369 [2022-09-16 10:39:55,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:55,790 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 1809 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1809 SdHoareTripleChecker+Valid, 3240 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:55,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1809 Valid, 3240 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:55,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55369 states. [2022-09-16 10:39:56,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55369 to 18977. [2022-09-16 10:39:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18977 states, 18933 states have (on average 2.8268631489991023) internal successors, (53521), 18976 states have internal predecessors, (53521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18977 states to 18977 states and 53521 transitions. [2022-09-16 10:39:56,432 INFO L78 Accepts]: Start accepts. Automaton has 18977 states and 53521 transitions. Word has length 70 [2022-09-16 10:39:56,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:56,432 INFO L495 AbstractCegarLoop]: Abstraction has 18977 states and 53521 transitions. [2022-09-16 10:39:56,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 18977 states and 53521 transitions. [2022-09-16 10:39:56,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:39:56,436 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:56,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:56,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-09-16 10:39:56,436 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:56,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:56,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1565514326, now seen corresponding path program 54 times [2022-09-16 10:39:56,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:56,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451519434] [2022-09-16 10:39:56,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:56,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:56,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:56,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451519434] [2022-09-16 10:39:56,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451519434] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:56,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:56,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:39:56,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147381502] [2022-09-16 10:39:56,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:56,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:39:56,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:56,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:39:56,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:39:56,791 INFO L87 Difference]: Start difference. First operand 18977 states and 53521 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:59,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:59,443 INFO L93 Difference]: Finished difference Result 53165 states and 147052 transitions. [2022-09-16 10:39:59,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:39:59,444 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:39:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:59,572 INFO L225 Difference]: With dead ends: 53165 [2022-09-16 10:39:59,572 INFO L226 Difference]: Without dead ends: 53165 [2022-09-16 10:39:59,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:39:59,573 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 1804 mSDsluCounter, 2773 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1804 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:59,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1804 Valid, 3186 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:59,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53165 states. [2022-09-16 10:40:00,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53165 to 18928. [2022-09-16 10:40:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18928 states, 18884 states have (on average 2.8264668502435923) internal successors, (53375), 18927 states have internal predecessors, (53375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18928 states to 18928 states and 53375 transitions. [2022-09-16 10:40:00,232 INFO L78 Accepts]: Start accepts. Automaton has 18928 states and 53375 transitions. Word has length 70 [2022-09-16 10:40:00,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:00,232 INFO L495 AbstractCegarLoop]: Abstraction has 18928 states and 53375 transitions. [2022-09-16 10:40:00,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 18928 states and 53375 transitions. [2022-09-16 10:40:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:00,235 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:00,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:00,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-09-16 10:40:00,236 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:00,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:00,236 INFO L85 PathProgramCache]: Analyzing trace with hash -918983736, now seen corresponding path program 55 times [2022-09-16 10:40:00,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:00,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837566178] [2022-09-16 10:40:00,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:00,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:00,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:00,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837566178] [2022-09-16 10:40:00,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837566178] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:00,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:00,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:00,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098125654] [2022-09-16 10:40:00,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:00,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:00,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:00,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:00,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:00,590 INFO L87 Difference]: Start difference. First operand 18928 states and 53375 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:03,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:03,332 INFO L93 Difference]: Finished difference Result 44884 states and 125158 transitions. [2022-09-16 10:40:03,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:03,332 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:03,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:03,426 INFO L225 Difference]: With dead ends: 44884 [2022-09-16 10:40:03,426 INFO L226 Difference]: Without dead ends: 44884 [2022-09-16 10:40:03,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:03,427 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 1816 mSDsluCounter, 3179 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 3561 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:03,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 3561 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:03,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44884 states. [2022-09-16 10:40:03,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44884 to 18830. [2022-09-16 10:40:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18830 states, 18786 states have (on average 2.825668050676035) internal successors, (53083), 18829 states have internal predecessors, (53083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18830 states to 18830 states and 53083 transitions. [2022-09-16 10:40:04,012 INFO L78 Accepts]: Start accepts. Automaton has 18830 states and 53083 transitions. Word has length 70 [2022-09-16 10:40:04,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:04,012 INFO L495 AbstractCegarLoop]: Abstraction has 18830 states and 53083 transitions. [2022-09-16 10:40:04,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 18830 states and 53083 transitions. [2022-09-16 10:40:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:04,016 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:04,016 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:04,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-09-16 10:40:04,017 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:04,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:04,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1596992938, now seen corresponding path program 56 times [2022-09-16 10:40:04,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:04,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575697102] [2022-09-16 10:40:04,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:04,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:04,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:04,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575697102] [2022-09-16 10:40:04,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575697102] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:04,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:04,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:04,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097419421] [2022-09-16 10:40:04,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:04,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:04,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:04,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:04,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:04,319 INFO L87 Difference]: Start difference. First operand 18830 states and 53083 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:07,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:07,058 INFO L93 Difference]: Finished difference Result 55879 states and 154323 transitions. [2022-09-16 10:40:07,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:07,058 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:07,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:07,188 INFO L225 Difference]: With dead ends: 55879 [2022-09-16 10:40:07,189 INFO L226 Difference]: Without dead ends: 55879 [2022-09-16 10:40:07,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:07,189 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 1887 mSDsluCounter, 2841 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1887 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:07,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1887 Valid, 3242 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:07,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55879 states. [2022-09-16 10:40:07,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55879 to 18928. [2022-09-16 10:40:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18928 states, 18884 states have (on average 2.8264668502435923) internal successors, (53375), 18927 states have internal predecessors, (53375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18928 states to 18928 states and 53375 transitions. [2022-09-16 10:40:07,772 INFO L78 Accepts]: Start accepts. Automaton has 18928 states and 53375 transitions. Word has length 70 [2022-09-16 10:40:07,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:07,773 INFO L495 AbstractCegarLoop]: Abstraction has 18928 states and 53375 transitions. [2022-09-16 10:40:07,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand 18928 states and 53375 transitions. [2022-09-16 10:40:07,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:07,776 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:07,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:07,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-09-16 10:40:07,776 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:07,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:07,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1728312438, now seen corresponding path program 57 times [2022-09-16 10:40:07,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:07,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603586805] [2022-09-16 10:40:07,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:07,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:08,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:08,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603586805] [2022-09-16 10:40:08,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603586805] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:08,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:08,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:08,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813923163] [2022-09-16 10:40:08,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:08,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:08,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:08,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:08,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:08,073 INFO L87 Difference]: Start difference. First operand 18928 states and 53375 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:10,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:10,670 INFO L93 Difference]: Finished difference Result 57988 states and 159247 transitions. [2022-09-16 10:40:10,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:10,671 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:10,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:10,805 INFO L225 Difference]: With dead ends: 57988 [2022-09-16 10:40:10,805 INFO L226 Difference]: Without dead ends: 57988 [2022-09-16 10:40:10,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:10,806 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 1657 mSDsluCounter, 2846 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1657 SdHoareTripleChecker+Valid, 3256 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:10,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1657 Valid, 3256 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:10,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57988 states. [2022-09-16 10:40:11,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57988 to 18879. [2022-09-16 10:40:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18879 states, 18835 states have (on average 2.8260684895142023) internal successors, (53229), 18878 states have internal predecessors, (53229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18879 states to 18879 states and 53229 transitions. [2022-09-16 10:40:11,540 INFO L78 Accepts]: Start accepts. Automaton has 18879 states and 53229 transitions. Word has length 70 [2022-09-16 10:40:11,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:11,540 INFO L495 AbstractCegarLoop]: Abstraction has 18879 states and 53229 transitions. [2022-09-16 10:40:11,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 18879 states and 53229 transitions. [2022-09-16 10:40:11,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:11,543 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:11,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:11,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-09-16 10:40:11,544 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:11,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:11,544 INFO L85 PathProgramCache]: Analyzing trace with hash -122623032, now seen corresponding path program 58 times [2022-09-16 10:40:11,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:11,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381884489] [2022-09-16 10:40:11,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:11,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:11,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:11,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:11,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381884489] [2022-09-16 10:40:11,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381884489] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:11,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:11,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:11,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293277960] [2022-09-16 10:40:11,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:11,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:11,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:11,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:11,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:11,985 INFO L87 Difference]: Start difference. First operand 18879 states and 53229 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:14,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:14,687 INFO L93 Difference]: Finished difference Result 56271 states and 154661 transitions. [2022-09-16 10:40:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:14,688 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:14,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:14,822 INFO L225 Difference]: With dead ends: 56271 [2022-09-16 10:40:14,822 INFO L226 Difference]: Without dead ends: 56271 [2022-09-16 10:40:14,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:14,822 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 1636 mSDsluCounter, 3226 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 3627 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:14,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 3627 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:14,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56271 states. [2022-09-16 10:40:15,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56271 to 18928. [2022-09-16 10:40:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18928 states, 18884 states have (on average 2.8264668502435923) internal successors, (53375), 18927 states have internal predecessors, (53375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:15,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18928 states to 18928 states and 53375 transitions. [2022-09-16 10:40:15,455 INFO L78 Accepts]: Start accepts. Automaton has 18928 states and 53375 transitions. Word has length 70 [2022-09-16 10:40:15,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:15,455 INFO L495 AbstractCegarLoop]: Abstraction has 18928 states and 53375 transitions. [2022-09-16 10:40:15,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 18928 states and 53375 transitions. [2022-09-16 10:40:15,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:15,458 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:15,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:15,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-09-16 10:40:15,459 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:15,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:15,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1903221334, now seen corresponding path program 59 times [2022-09-16 10:40:15,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:15,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358027329] [2022-09-16 10:40:15,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:15,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:15,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:15,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358027329] [2022-09-16 10:40:15,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358027329] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:15,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:15,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:15,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037381046] [2022-09-16 10:40:15,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:15,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:15,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:15,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:15,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:15,775 INFO L87 Difference]: Start difference. First operand 18928 states and 53375 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:18,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:18,367 INFO L93 Difference]: Finished difference Result 47806 states and 132401 transitions. [2022-09-16 10:40:18,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:18,367 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:18,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:18,471 INFO L225 Difference]: With dead ends: 47806 [2022-09-16 10:40:18,471 INFO L226 Difference]: Without dead ends: 47806 [2022-09-16 10:40:18,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:18,471 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 1676 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1676 SdHoareTripleChecker+Valid, 3224 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:18,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1676 Valid, 3224 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:18,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47806 states. [2022-09-16 10:40:19,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47806 to 18732. [2022-09-16 10:40:19,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18732 states, 18688 states have (on average 2.824860873287671) internal successors, (52791), 18731 states have internal predecessors, (52791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18732 states to 18732 states and 52791 transitions. [2022-09-16 10:40:19,078 INFO L78 Accepts]: Start accepts. Automaton has 18732 states and 52791 transitions. Word has length 70 [2022-09-16 10:40:19,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:19,078 INFO L495 AbstractCegarLoop]: Abstraction has 18732 states and 52791 transitions. [2022-09-16 10:40:19,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 18732 states and 52791 transitions. [2022-09-16 10:40:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:19,082 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:19,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:19,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-09-16 10:40:19,082 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:19,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:19,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1523714456, now seen corresponding path program 60 times [2022-09-16 10:40:19,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:19,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575930791] [2022-09-16 10:40:19,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:19,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:19,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:19,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575930791] [2022-09-16 10:40:19,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575930791] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:19,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:19,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:19,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019532473] [2022-09-16 10:40:19,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:19,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:19,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:19,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:19,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:19,398 INFO L87 Difference]: Start difference. First operand 18732 states and 52791 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:22,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:22,142 INFO L93 Difference]: Finished difference Result 52129 states and 143196 transitions. [2022-09-16 10:40:22,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:22,142 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:22,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:22,255 INFO L225 Difference]: With dead ends: 52129 [2022-09-16 10:40:22,255 INFO L226 Difference]: Without dead ends: 52129 [2022-09-16 10:40:22,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:22,256 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 1709 mSDsluCounter, 3289 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 3656 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:22,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1709 Valid, 3656 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:22,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52129 states. [2022-09-16 10:40:22,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52129 to 18928. [2022-09-16 10:40:22,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18928 states, 18884 states have (on average 2.8264668502435923) internal successors, (53375), 18927 states have internal predecessors, (53375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18928 states to 18928 states and 53375 transitions. [2022-09-16 10:40:22,866 INFO L78 Accepts]: Start accepts. Automaton has 18928 states and 53375 transitions. Word has length 70 [2022-09-16 10:40:22,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:22,866 INFO L495 AbstractCegarLoop]: Abstraction has 18928 states and 53375 transitions. [2022-09-16 10:40:22,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:22,867 INFO L276 IsEmpty]: Start isEmpty. Operand 18928 states and 53375 transitions. [2022-09-16 10:40:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:22,870 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:22,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:22,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-09-16 10:40:22,870 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:22,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:22,870 INFO L85 PathProgramCache]: Analyzing trace with hash -554052536, now seen corresponding path program 61 times [2022-09-16 10:40:22,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:22,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241745855] [2022-09-16 10:40:22,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:22,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:23,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:23,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241745855] [2022-09-16 10:40:23,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241745855] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:23,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:23,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:23,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481152731] [2022-09-16 10:40:23,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:23,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:23,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:23,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:23,166 INFO L87 Difference]: Start difference. First operand 18928 states and 53375 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:25,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:25,835 INFO L93 Difference]: Finished difference Result 54238 states and 148120 transitions. [2022-09-16 10:40:25,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:25,836 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:25,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:25,980 INFO L225 Difference]: With dead ends: 54238 [2022-09-16 10:40:25,980 INFO L226 Difference]: Without dead ends: 54238 [2022-09-16 10:40:25,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:25,980 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 1751 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 3217 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:25,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 3217 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:26,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54238 states. [2022-09-16 10:40:26,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54238 to 18879. [2022-09-16 10:40:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18879 states, 18835 states have (on average 2.8260684895142023) internal successors, (53229), 18878 states have internal predecessors, (53229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18879 states to 18879 states and 53229 transitions. [2022-09-16 10:40:26,638 INFO L78 Accepts]: Start accepts. Automaton has 18879 states and 53229 transitions. Word has length 70 [2022-09-16 10:40:26,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:26,638 INFO L495 AbstractCegarLoop]: Abstraction has 18879 states and 53229 transitions. [2022-09-16 10:40:26,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,638 INFO L276 IsEmpty]: Start isEmpty. Operand 18879 states and 53229 transitions. [2022-09-16 10:40:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:26,641 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:26,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:26,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-09-16 10:40:26,641 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:26,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:26,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1051636870, now seen corresponding path program 62 times [2022-09-16 10:40:26,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:26,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597182444] [2022-09-16 10:40:26,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:26,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:26,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:26,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597182444] [2022-09-16 10:40:26,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597182444] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:26,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:26,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:26,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978676607] [2022-09-16 10:40:26,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:26,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:26,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:26,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:26,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:26,933 INFO L87 Difference]: Start difference. First operand 18879 states and 53229 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:29,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:29,736 INFO L93 Difference]: Finished difference Result 63311 states and 172150 transitions. [2022-09-16 10:40:29,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:29,737 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:29,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:29,876 INFO L225 Difference]: With dead ends: 63311 [2022-09-16 10:40:29,876 INFO L226 Difference]: Without dead ends: 63311 [2022-09-16 10:40:29,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:29,877 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 1797 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 3649 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:29,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1797 Valid, 3649 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63311 states. [2022-09-16 10:40:30,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63311 to 18928. [2022-09-16 10:40:30,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18928 states, 18884 states have (on average 2.8264668502435923) internal successors, (53375), 18927 states have internal predecessors, (53375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:30,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18928 states to 18928 states and 53375 transitions. [2022-09-16 10:40:30,606 INFO L78 Accepts]: Start accepts. Automaton has 18928 states and 53375 transitions. Word has length 70 [2022-09-16 10:40:30,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:30,606 INFO L495 AbstractCegarLoop]: Abstraction has 18928 states and 53375 transitions. [2022-09-16 10:40:30,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:30,606 INFO L276 IsEmpty]: Start isEmpty. Operand 18928 states and 53375 transitions. [2022-09-16 10:40:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:30,609 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:30,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:30,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-09-16 10:40:30,610 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:30,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:30,610 INFO L85 PathProgramCache]: Analyzing trace with hash -728961432, now seen corresponding path program 63 times [2022-09-16 10:40:30,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:30,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776384470] [2022-09-16 10:40:30,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:30,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:30,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:30,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:30,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776384470] [2022-09-16 10:40:30,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776384470] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:30,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:30,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:30,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705141659] [2022-09-16 10:40:30,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:30,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:30,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:30,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:30,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:30,917 INFO L87 Difference]: Start difference. First operand 18928 states and 53375 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:33,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:33,563 INFO L93 Difference]: Finished difference Result 54846 states and 149890 transitions. [2022-09-16 10:40:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:33,564 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:33,687 INFO L225 Difference]: With dead ends: 54846 [2022-09-16 10:40:33,687 INFO L226 Difference]: Without dead ends: 54846 [2022-09-16 10:40:33,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:33,687 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 1703 mSDsluCounter, 2883 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1703 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:33,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1703 Valid, 3274 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:33,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54846 states. [2022-09-16 10:40:34,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54846 to 18830. [2022-09-16 10:40:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18830 states, 18786 states have (on average 2.825668050676035) internal successors, (53083), 18829 states have internal predecessors, (53083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18830 states to 18830 states and 53083 transitions. [2022-09-16 10:40:34,325 INFO L78 Accepts]: Start accepts. Automaton has 18830 states and 53083 transitions. Word has length 70 [2022-09-16 10:40:34,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:34,326 INFO L495 AbstractCegarLoop]: Abstraction has 18830 states and 53083 transitions. [2022-09-16 10:40:34,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:34,326 INFO L276 IsEmpty]: Start isEmpty. Operand 18830 states and 53083 transitions. [2022-09-16 10:40:34,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:34,328 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:34,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:34,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-09-16 10:40:34,329 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:34,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:34,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1982930346, now seen corresponding path program 64 times [2022-09-16 10:40:34,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:34,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164249121] [2022-09-16 10:40:34,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:34,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:34,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:34,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164249121] [2022-09-16 10:40:34,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164249121] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:34,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:34,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:34,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765538325] [2022-09-16 10:40:34,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:34,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:34,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:34,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:34,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:34,637 INFO L87 Difference]: Start difference. First operand 18830 states and 53083 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:37,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:37,353 INFO L93 Difference]: Finished difference Result 52472 states and 143388 transitions. [2022-09-16 10:40:37,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:37,354 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:37,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:37,458 INFO L225 Difference]: With dead ends: 52472 [2022-09-16 10:40:37,458 INFO L226 Difference]: Without dead ends: 52472 [2022-09-16 10:40:37,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:37,459 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 1612 mSDsluCounter, 3277 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 3673 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:37,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 3673 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:37,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52472 states. [2022-09-16 10:40:37,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52472 to 18977. [2022-09-16 10:40:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18977 states, 18933 states have (on average 2.8268631489991023) internal successors, (53521), 18976 states have internal predecessors, (53521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18977 states to 18977 states and 53521 transitions. [2022-09-16 10:40:38,137 INFO L78 Accepts]: Start accepts. Automaton has 18977 states and 53521 transitions. Word has length 70 [2022-09-16 10:40:38,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:38,137 INFO L495 AbstractCegarLoop]: Abstraction has 18977 states and 53521 transitions. [2022-09-16 10:40:38,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 18977 states and 53521 transitions. [2022-09-16 10:40:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:38,141 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:38,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:38,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-09-16 10:40:38,141 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:38,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:38,142 INFO L85 PathProgramCache]: Analyzing trace with hash 202332044, now seen corresponding path program 65 times [2022-09-16 10:40:38,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:38,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552692131] [2022-09-16 10:40:38,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:38,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:38,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:38,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552692131] [2022-09-16 10:40:38,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552692131] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:38,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:38,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:38,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121926427] [2022-09-16 10:40:38,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:38,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:38,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:38,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:38,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:38,474 INFO L87 Difference]: Start difference. First operand 18977 states and 53521 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:41,233 INFO L93 Difference]: Finished difference Result 52070 states and 142471 transitions. [2022-09-16 10:40:41,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:41,234 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:41,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:41,399 INFO L225 Difference]: With dead ends: 52070 [2022-09-16 10:40:41,399 INFO L226 Difference]: Without dead ends: 52070 [2022-09-16 10:40:41,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:41,400 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 1822 mSDsluCounter, 3217 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1822 SdHoareTripleChecker+Valid, 3601 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:41,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1822 Valid, 3601 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:41,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52070 states. [2022-09-16 10:40:41,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52070 to 18928. [2022-09-16 10:40:41,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18928 states, 18884 states have (on average 2.8264668502435923) internal successors, (53375), 18927 states have internal predecessors, (53375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:42,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18928 states to 18928 states and 53375 transitions. [2022-09-16 10:40:42,017 INFO L78 Accepts]: Start accepts. Automaton has 18928 states and 53375 transitions. Word has length 70 [2022-09-16 10:40:42,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:42,017 INFO L495 AbstractCegarLoop]: Abstraction has 18928 states and 53375 transitions. [2022-09-16 10:40:42,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:42,017 INFO L276 IsEmpty]: Start isEmpty. Operand 18928 states and 53375 transitions. [2022-09-16 10:40:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:42,020 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:42,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:42,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-09-16 10:40:42,021 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:42,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:42,021 INFO L85 PathProgramCache]: Analyzing trace with hash 734936070, now seen corresponding path program 66 times [2022-09-16 10:40:42,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:42,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366284846] [2022-09-16 10:40:42,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:42,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:42,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:42,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:42,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366284846] [2022-09-16 10:40:42,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366284846] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:42,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:42,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:42,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551218981] [2022-09-16 10:40:42,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:42,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:42,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:42,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:42,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:42,489 INFO L87 Difference]: Start difference. First operand 18928 states and 53375 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:45,029 INFO L93 Difference]: Finished difference Result 43748 states and 120428 transitions. [2022-09-16 10:40:45,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:45,029 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:45,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:45,113 INFO L225 Difference]: With dead ends: 43748 [2022-09-16 10:40:45,113 INFO L226 Difference]: Without dead ends: 43748 [2022-09-16 10:40:45,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:45,114 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 1603 mSDsluCounter, 2836 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1603 SdHoareTripleChecker+Valid, 3231 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:45,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1603 Valid, 3231 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:45,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43748 states. [2022-09-16 10:40:45,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43748 to 18536. [2022-09-16 10:40:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18536 states, 18492 states have (on average 2.823220852260437) internal successors, (52207), 18535 states have internal predecessors, (52207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 52207 transitions. [2022-09-16 10:40:45,582 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 52207 transitions. Word has length 70 [2022-09-16 10:40:45,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:45,582 INFO L495 AbstractCegarLoop]: Abstraction has 18536 states and 52207 transitions. [2022-09-16 10:40:45,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 52207 transitions. [2022-09-16 10:40:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:45,585 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:45,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:45,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-09-16 10:40:45,585 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:45,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:45,586 INFO L85 PathProgramCache]: Analyzing trace with hash 464871914, now seen corresponding path program 67 times [2022-09-16 10:40:45,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:45,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741327810] [2022-09-16 10:40:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:45,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:45,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741327810] [2022-09-16 10:40:45,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741327810] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:45,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:45,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:45,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717138780] [2022-09-16 10:40:45,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:45,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:45,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:45,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:45,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:45,942 INFO L87 Difference]: Start difference. First operand 18536 states and 52207 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:48,771 INFO L93 Difference]: Finished difference Result 62338 states and 172180 transitions. [2022-09-16 10:40:48,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:48,772 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:48,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:48,912 INFO L225 Difference]: With dead ends: 62338 [2022-09-16 10:40:48,912 INFO L226 Difference]: Without dead ends: 62338 [2022-09-16 10:40:48,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:48,913 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 1848 mSDsluCounter, 3281 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 3656 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:48,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 3656 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:48,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62338 states. [2022-09-16 10:40:49,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62338 to 19075. [2022-09-16 10:40:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19075 states, 19031 states have (on average 2.8276496242971993) internal successors, (53813), 19074 states have internal predecessors, (53813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19075 states to 19075 states and 53813 transitions. [2022-09-16 10:40:49,575 INFO L78 Accepts]: Start accepts. Automaton has 19075 states and 53813 transitions. Word has length 70 [2022-09-16 10:40:49,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:49,575 INFO L495 AbstractCegarLoop]: Abstraction has 19075 states and 53813 transitions. [2022-09-16 10:40:49,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 19075 states and 53813 transitions. [2022-09-16 10:40:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:49,578 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:49,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:49,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-09-16 10:40:49,578 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:49,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:49,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1434533834, now seen corresponding path program 68 times [2022-09-16 10:40:49,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:49,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431436483] [2022-09-16 10:40:49,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:49,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:49,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:49,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431436483] [2022-09-16 10:40:49,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431436483] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:49,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:49,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:49,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628089549] [2022-09-16 10:40:49,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:49,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:49,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:49,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:49,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:49,875 INFO L87 Difference]: Start difference. First operand 19075 states and 53813 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:52,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:52,591 INFO L93 Difference]: Finished difference Result 60134 states and 164647 transitions. [2022-09-16 10:40:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:52,592 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:52,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:52,715 INFO L225 Difference]: With dead ends: 60134 [2022-09-16 10:40:52,715 INFO L226 Difference]: Without dead ends: 60134 [2022-09-16 10:40:52,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:52,716 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1839 mSDsluCounter, 3286 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 3676 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:52,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1839 Valid, 3676 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:52,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60134 states. [2022-09-16 10:40:53,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60134 to 19026. [2022-09-16 10:40:53,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19026 states, 18982 states have (on average 2.8272574017490255) internal successors, (53667), 19025 states have internal predecessors, (53667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19026 states to 19026 states and 53667 transitions. [2022-09-16 10:40:53,393 INFO L78 Accepts]: Start accepts. Automaton has 19026 states and 53667 transitions. Word has length 70 [2022-09-16 10:40:53,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:53,393 INFO L495 AbstractCegarLoop]: Abstraction has 19026 states and 53667 transitions. [2022-09-16 10:40:53,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 19026 states and 53667 transitions. [2022-09-16 10:40:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:53,396 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:53,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:53,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-09-16 10:40:53,397 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:53,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:53,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2081064424, now seen corresponding path program 69 times [2022-09-16 10:40:53,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:53,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983102426] [2022-09-16 10:40:53,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:53,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:53,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:53,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:53,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983102426] [2022-09-16 10:40:53,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983102426] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:53,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:53,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:53,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030363871] [2022-09-16 10:40:53,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:53,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:53,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:53,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:53,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:53,765 INFO L87 Difference]: Start difference. First operand 19026 states and 53667 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:56,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:56,488 INFO L93 Difference]: Finished difference Result 52963 states and 145380 transitions. [2022-09-16 10:40:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:56,488 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:40:56,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:56,602 INFO L225 Difference]: With dead ends: 52963 [2022-09-16 10:40:56,602 INFO L226 Difference]: Without dead ends: 52963 [2022-09-16 10:40:56,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:56,603 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 1570 mSDsluCounter, 3318 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 3689 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:56,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 3689 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:56,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52963 states. [2022-09-16 10:40:57,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52963 to 18928. [2022-09-16 10:40:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18928 states, 18884 states have (on average 2.8264668502435923) internal successors, (53375), 18927 states have internal predecessors, (53375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:57,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18928 states to 18928 states and 53375 transitions. [2022-09-16 10:40:57,241 INFO L78 Accepts]: Start accepts. Automaton has 18928 states and 53375 transitions. Word has length 70 [2022-09-16 10:40:57,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:57,241 INFO L495 AbstractCegarLoop]: Abstraction has 18928 states and 53375 transitions. [2022-09-16 10:40:57,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:57,241 INFO L276 IsEmpty]: Start isEmpty. Operand 18928 states and 53375 transitions. [2022-09-16 10:40:57,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:40:57,245 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:57,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:57,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-09-16 10:40:57,246 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:57,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:57,246 INFO L85 PathProgramCache]: Analyzing trace with hash 302073802, now seen corresponding path program 70 times [2022-09-16 10:40:57,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:57,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714205608] [2022-09-16 10:40:57,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:57,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:57,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714205608] [2022-09-16 10:40:57,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714205608] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:57,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:57,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:40:57,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276369424] [2022-09-16 10:40:57,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:57,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:40:57,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:57,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:40:57,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:57,603 INFO L87 Difference]: Start difference. First operand 18928 states and 53375 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:00,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:00,429 INFO L93 Difference]: Finished difference Result 62848 states and 171918 transitions. [2022-09-16 10:41:00,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:00,429 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:00,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:00,701 INFO L225 Difference]: With dead ends: 62848 [2022-09-16 10:41:00,701 INFO L226 Difference]: Without dead ends: 62848 [2022-09-16 10:41:00,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:00,702 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 1650 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 3714 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:00,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 3714 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1221 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:00,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62848 states. [2022-09-16 10:41:01,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62848 to 19026. [2022-09-16 10:41:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19026 states, 18982 states have (on average 2.8272574017490255) internal successors, (53667), 19025 states have internal predecessors, (53667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19026 states to 19026 states and 53667 transitions. [2022-09-16 10:41:01,254 INFO L78 Accepts]: Start accepts. Automaton has 19026 states and 53667 transitions. Word has length 70 [2022-09-16 10:41:01,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:01,254 INFO L495 AbstractCegarLoop]: Abstraction has 19026 states and 53667 transitions. [2022-09-16 10:41:01,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:01,254 INFO L276 IsEmpty]: Start isEmpty. Operand 19026 states and 53667 transitions. [2022-09-16 10:41:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:01,257 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:01,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:01,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-09-16 10:41:01,258 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:01,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:01,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1271735722, now seen corresponding path program 71 times [2022-09-16 10:41:01,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:01,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209801469] [2022-09-16 10:41:01,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:01,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:01,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:01,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209801469] [2022-09-16 10:41:01,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209801469] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:01,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:01,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:01,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155269553] [2022-09-16 10:41:01,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:01,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:01,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:01,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:01,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:01,702 INFO L87 Difference]: Start difference. First operand 19026 states and 53667 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:04,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:04,455 INFO L93 Difference]: Finished difference Result 64957 states and 176842 transitions. [2022-09-16 10:41:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:04,456 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:04,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:04,595 INFO L225 Difference]: With dead ends: 64957 [2022-09-16 10:41:04,595 INFO L226 Difference]: Without dead ends: 64957 [2022-09-16 10:41:04,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:04,596 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 1970 mSDsluCounter, 3278 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 3668 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:04,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1970 Valid, 3668 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:04,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64957 states. [2022-09-16 10:41:05,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64957 to 18977. [2022-09-16 10:41:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18977 states, 18933 states have (on average 2.8268631489991023) internal successors, (53521), 18976 states have internal predecessors, (53521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:05,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18977 states to 18977 states and 53521 transitions. [2022-09-16 10:41:05,273 INFO L78 Accepts]: Start accepts. Automaton has 18977 states and 53521 transitions. Word has length 70 [2022-09-16 10:41:05,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:05,273 INFO L495 AbstractCegarLoop]: Abstraction has 18977 states and 53521 transitions. [2022-09-16 10:41:05,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:05,273 INFO L276 IsEmpty]: Start isEmpty. Operand 18977 states and 53521 transitions. [2022-09-16 10:41:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:05,276 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:05,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:05,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-09-16 10:41:05,276 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:05,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:05,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1417542168, now seen corresponding path program 72 times [2022-09-16 10:41:05,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:05,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002209867] [2022-09-16 10:41:05,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:05,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:05,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:05,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002209867] [2022-09-16 10:41:05,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002209867] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:05,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:05,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:05,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124489609] [2022-09-16 10:41:05,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:05,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:05,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:05,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:05,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:05,574 INFO L87 Difference]: Start difference. First operand 18977 states and 53521 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:08,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:08,350 INFO L93 Difference]: Finished difference Result 63240 states and 172256 transitions. [2022-09-16 10:41:08,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:08,350 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:08,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:08,503 INFO L225 Difference]: With dead ends: 63240 [2022-09-16 10:41:08,503 INFO L226 Difference]: Without dead ends: 63240 [2022-09-16 10:41:08,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:08,503 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 1689 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 3719 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:08,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1689 Valid, 3719 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:08,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63240 states. [2022-09-16 10:41:09,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63240 to 19026. [2022-09-16 10:41:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19026 states, 18982 states have (on average 2.8272574017490255) internal successors, (53667), 19025 states have internal predecessors, (53667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19026 states to 19026 states and 53667 transitions. [2022-09-16 10:41:09,183 INFO L78 Accepts]: Start accepts. Automaton has 19026 states and 53667 transitions. Word has length 70 [2022-09-16 10:41:09,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:09,183 INFO L495 AbstractCegarLoop]: Abstraction has 19026 states and 53667 transitions. [2022-09-16 10:41:09,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:09,183 INFO L276 IsEmpty]: Start isEmpty. Operand 19026 states and 53667 transitions. [2022-09-16 10:41:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:09,187 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:09,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:09,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-09-16 10:41:09,188 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:09,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:09,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1096826826, now seen corresponding path program 73 times [2022-09-16 10:41:09,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:09,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739090666] [2022-09-16 10:41:09,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:09,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:09,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:09,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739090666] [2022-09-16 10:41:09,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739090666] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:09,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:09,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:09,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301712277] [2022-09-16 10:41:09,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:09,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:09,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:09,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:09,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:09,484 INFO L87 Difference]: Start difference. First operand 19026 states and 53667 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:12,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:12,273 INFO L93 Difference]: Finished difference Result 54775 states and 149996 transitions. [2022-09-16 10:41:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:12,274 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:12,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:12,392 INFO L225 Difference]: With dead ends: 54775 [2022-09-16 10:41:12,392 INFO L226 Difference]: Without dead ends: 54775 [2022-09-16 10:41:12,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:12,393 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 1721 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 3665 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:12,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1721 Valid, 3665 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:12,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54775 states. [2022-09-16 10:41:12,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54775 to 18830. [2022-09-16 10:41:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18830 states, 18786 states have (on average 2.825668050676035) internal successors, (53083), 18829 states have internal predecessors, (53083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18830 states to 18830 states and 53083 transitions. [2022-09-16 10:41:13,055 INFO L78 Accepts]: Start accepts. Automaton has 18830 states and 53083 transitions. Word has length 70 [2022-09-16 10:41:13,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:13,055 INFO L495 AbstractCegarLoop]: Abstraction has 18830 states and 53083 transitions. [2022-09-16 10:41:13,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 18830 states and 53083 transitions. [2022-09-16 10:41:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:13,059 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:13,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:13,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-09-16 10:41:13,059 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:13,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:13,059 INFO L85 PathProgramCache]: Analyzing trace with hash -353829272, now seen corresponding path program 74 times [2022-09-16 10:41:13,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:13,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318643409] [2022-09-16 10:41:13,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:13,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:13,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:13,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318643409] [2022-09-16 10:41:13,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318643409] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:13,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:13,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:13,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439284902] [2022-09-16 10:41:13,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:13,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:13,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:13,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:13,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:13,364 INFO L87 Difference]: Start difference. First operand 18830 states and 53083 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:16,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:16,029 INFO L93 Difference]: Finished difference Result 52588 states and 144381 transitions. [2022-09-16 10:41:16,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:16,030 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:16,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:16,142 INFO L225 Difference]: With dead ends: 52588 [2022-09-16 10:41:16,142 INFO L226 Difference]: Without dead ends: 52588 [2022-09-16 10:41:16,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:16,142 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 1723 mSDsluCounter, 2896 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 3285 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:16,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 3285 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:41:16,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52588 states. [2022-09-16 10:41:16,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52588 to 19026. [2022-09-16 10:41:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19026 states, 18982 states have (on average 2.8272574017490255) internal successors, (53667), 19025 states have internal predecessors, (53667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19026 states to 19026 states and 53667 transitions. [2022-09-16 10:41:16,791 INFO L78 Accepts]: Start accepts. Automaton has 19026 states and 53667 transitions. Word has length 70 [2022-09-16 10:41:16,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:16,791 INFO L495 AbstractCegarLoop]: Abstraction has 19026 states and 53667 transitions. [2022-09-16 10:41:16,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 19026 states and 53667 transitions. [2022-09-16 10:41:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:16,794 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:16,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:16,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-09-16 10:41:16,794 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:16,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:16,795 INFO L85 PathProgramCache]: Analyzing trace with hash 615832648, now seen corresponding path program 75 times [2022-09-16 10:41:16,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:16,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037039337] [2022-09-16 10:41:16,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:16,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:17,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:17,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037039337] [2022-09-16 10:41:17,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037039337] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:17,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:17,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:17,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083380830] [2022-09-16 10:41:17,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:17,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:17,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:17,098 INFO L87 Difference]: Start difference. First operand 19026 states and 53667 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:19,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:19,795 INFO L93 Difference]: Finished difference Result 54697 states and 149305 transitions. [2022-09-16 10:41:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:19,795 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:19,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:19,922 INFO L225 Difference]: With dead ends: 54697 [2022-09-16 10:41:19,922 INFO L226 Difference]: Without dead ends: 54697 [2022-09-16 10:41:19,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:19,923 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 1767 mSDsluCounter, 2839 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 3237 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:19,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 3237 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:41:19,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54697 states. [2022-09-16 10:41:20,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54697 to 18977. [2022-09-16 10:41:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18977 states, 18933 states have (on average 2.8268631489991023) internal successors, (53521), 18976 states have internal predecessors, (53521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18977 states to 18977 states and 53521 transitions. [2022-09-16 10:41:20,445 INFO L78 Accepts]: Start accepts. Automaton has 18977 states and 53521 transitions. Word has length 70 [2022-09-16 10:41:20,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:20,445 INFO L495 AbstractCegarLoop]: Abstraction has 18977 states and 53521 transitions. [2022-09-16 10:41:20,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 18977 states and 53521 transitions. [2022-09-16 10:41:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:20,448 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:20,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:20,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-09-16 10:41:20,448 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:20,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:20,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2073445242, now seen corresponding path program 76 times [2022-09-16 10:41:20,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:20,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330929449] [2022-09-16 10:41:20,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:20,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:20,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:20,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:20,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330929449] [2022-09-16 10:41:20,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330929449] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:20,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:20,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:20,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302644428] [2022-09-16 10:41:20,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:20,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:20,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:20,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:20,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:20,901 INFO L87 Difference]: Start difference. First operand 18977 states and 53521 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:23,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:23,686 INFO L93 Difference]: Finished difference Result 63770 states and 173335 transitions. [2022-09-16 10:41:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:23,687 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:23,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:23,833 INFO L225 Difference]: With dead ends: 63770 [2022-09-16 10:41:23,833 INFO L226 Difference]: Without dead ends: 63770 [2022-09-16 10:41:23,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:23,834 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 1947 mSDsluCounter, 3287 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1947 SdHoareTripleChecker+Valid, 3676 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:23,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1947 Valid, 3676 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:23,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63770 states. [2022-09-16 10:41:24,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63770 to 19026. [2022-09-16 10:41:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19026 states, 18982 states have (on average 2.8272574017490255) internal successors, (53667), 19025 states have internal predecessors, (53667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19026 states to 19026 states and 53667 transitions. [2022-09-16 10:41:24,566 INFO L78 Accepts]: Start accepts. Automaton has 19026 states and 53667 transitions. Word has length 70 [2022-09-16 10:41:24,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:24,567 INFO L495 AbstractCegarLoop]: Abstraction has 19026 states and 53667 transitions. [2022-09-16 10:41:24,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:24,567 INFO L276 IsEmpty]: Start isEmpty. Operand 19026 states and 53667 transitions. [2022-09-16 10:41:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:24,570 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:24,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:24,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-09-16 10:41:24,571 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:24,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:24,571 INFO L85 PathProgramCache]: Analyzing trace with hash 440923752, now seen corresponding path program 77 times [2022-09-16 10:41:24,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:24,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497225315] [2022-09-16 10:41:24,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:24,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:24,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:24,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:24,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497225315] [2022-09-16 10:41:24,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497225315] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:24,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:24,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:24,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213280304] [2022-09-16 10:41:24,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:24,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:24,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:24,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:24,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:24,871 INFO L87 Difference]: Start difference. First operand 19026 states and 53667 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:27,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:27,578 INFO L93 Difference]: Finished difference Result 55305 states and 151075 transitions. [2022-09-16 10:41:27,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:27,578 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:27,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:27,692 INFO L225 Difference]: With dead ends: 55305 [2022-09-16 10:41:27,692 INFO L226 Difference]: Without dead ends: 55305 [2022-09-16 10:41:27,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:27,693 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 1699 mSDsluCounter, 3287 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 3655 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:27,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 3655 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1205 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:27,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55305 states. [2022-09-16 10:41:28,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55305 to 18928. [2022-09-16 10:41:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18928 states, 18884 states have (on average 2.8264668502435923) internal successors, (53375), 18927 states have internal predecessors, (53375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:28,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18928 states to 18928 states and 53375 transitions. [2022-09-16 10:41:28,267 INFO L78 Accepts]: Start accepts. Automaton has 18928 states and 53375 transitions. Word has length 70 [2022-09-16 10:41:28,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:28,268 INFO L495 AbstractCegarLoop]: Abstraction has 18928 states and 53375 transitions. [2022-09-16 10:41:28,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:28,268 INFO L276 IsEmpty]: Start isEmpty. Operand 18928 states and 53375 transitions. [2022-09-16 10:41:28,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:28,271 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:28,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:28,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-09-16 10:41:28,271 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:28,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:28,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1142151766, now seen corresponding path program 78 times [2022-09-16 10:41:28,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:28,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41067640] [2022-09-16 10:41:28,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:28,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:28,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:28,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:28,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41067640] [2022-09-16 10:41:28,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41067640] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:28,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:28,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:28,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371635810] [2022-09-16 10:41:28,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:28,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:28,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:28,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:28,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:28,707 INFO L87 Difference]: Start difference. First operand 18928 states and 53375 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:31,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:31,318 INFO L93 Difference]: Finished difference Result 52931 states and 144573 transitions. [2022-09-16 10:41:31,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:31,319 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:31,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:31,423 INFO L225 Difference]: With dead ends: 52931 [2022-09-16 10:41:31,423 INFO L226 Difference]: Without dead ends: 52931 [2022-09-16 10:41:31,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:31,423 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 1776 mSDsluCounter, 2809 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 3212 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:31,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 3212 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:31,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52931 states. [2022-09-16 10:41:31,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52931 to 19075. [2022-09-16 10:41:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19075 states, 19031 states have (on average 2.8276496242971993) internal successors, (53813), 19074 states have internal predecessors, (53813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19075 states to 19075 states and 53813 transitions. [2022-09-16 10:41:31,983 INFO L78 Accepts]: Start accepts. Automaton has 19075 states and 53813 transitions. Word has length 70 [2022-09-16 10:41:31,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:31,983 INFO L495 AbstractCegarLoop]: Abstraction has 19075 states and 53813 transitions. [2022-09-16 10:41:31,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:31,983 INFO L276 IsEmpty]: Start isEmpty. Operand 19075 states and 53813 transitions. [2022-09-16 10:41:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:31,986 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:31,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:31,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-09-16 10:41:31,987 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:31,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:31,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1372217228, now seen corresponding path program 79 times [2022-09-16 10:41:31,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:31,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466994229] [2022-09-16 10:41:31,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:31,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:32,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:32,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466994229] [2022-09-16 10:41:32,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466994229] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:32,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:32,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:32,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892719303] [2022-09-16 10:41:32,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:32,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:32,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:32,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:32,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:32,285 INFO L87 Difference]: Start difference. First operand 19075 states and 53813 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:34,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:34,889 INFO L93 Difference]: Finished difference Result 52529 states and 143656 transitions. [2022-09-16 10:41:34,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:34,889 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:34,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:35,019 INFO L225 Difference]: With dead ends: 52529 [2022-09-16 10:41:35,019 INFO L226 Difference]: Without dead ends: 52529 [2022-09-16 10:41:35,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:35,020 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 1572 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 3311 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:35,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 3311 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:41:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52529 states. [2022-09-16 10:41:35,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52529 to 19026. [2022-09-16 10:41:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19026 states, 18982 states have (on average 2.8272574017490255) internal successors, (53667), 19025 states have internal predecessors, (53667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19026 states to 19026 states and 53667 transitions. [2022-09-16 10:41:35,614 INFO L78 Accepts]: Start accepts. Automaton has 19026 states and 53667 transitions. Word has length 70 [2022-09-16 10:41:35,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:35,614 INFO L495 AbstractCegarLoop]: Abstraction has 19026 states and 53667 transitions. [2022-09-16 10:41:35,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:35,614 INFO L276 IsEmpty]: Start isEmpty. Operand 19026 states and 53667 transitions. [2022-09-16 10:41:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:35,617 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:35,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:35,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-09-16 10:41:35,618 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:35,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:35,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1904821254, now seen corresponding path program 80 times [2022-09-16 10:41:35,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:35,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308526101] [2022-09-16 10:41:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:35,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:35,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:35,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308526101] [2022-09-16 10:41:35,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308526101] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:35,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:35,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:35,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435386608] [2022-09-16 10:41:35,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:35,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:35,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:35,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:35,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:35,925 INFO L87 Difference]: Start difference. First operand 19026 states and 53667 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:38,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:38,604 INFO L93 Difference]: Finished difference Result 45197 states and 124052 transitions. [2022-09-16 10:41:38,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:38,604 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:38,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:38,689 INFO L225 Difference]: With dead ends: 45197 [2022-09-16 10:41:38,689 INFO L226 Difference]: Without dead ends: 45197 [2022-09-16 10:41:38,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:38,690 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 1531 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 3325 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:38,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 3325 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:41:38,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45197 states. [2022-09-16 10:41:39,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45197 to 18634. [2022-09-16 10:41:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18634 states, 18590 states have (on average 2.824045185583647) internal successors, (52499), 18633 states have internal predecessors, (52499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18634 states to 18634 states and 52499 transitions. [2022-09-16 10:41:39,235 INFO L78 Accepts]: Start accepts. Automaton has 18634 states and 52499 transitions. Word has length 70 [2022-09-16 10:41:39,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:39,235 INFO L495 AbstractCegarLoop]: Abstraction has 18634 states and 52499 transitions. [2022-09-16 10:41:39,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 18634 states and 52499 transitions. [2022-09-16 10:41:39,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:39,239 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:39,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:39,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-09-16 10:41:39,239 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:39,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:39,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1153193704, now seen corresponding path program 81 times [2022-09-16 10:41:39,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:39,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881610596] [2022-09-16 10:41:39,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:39,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:39,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:39,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881610596] [2022-09-16 10:41:39,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881610596] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:39,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:39,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:39,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738080681] [2022-09-16 10:41:39,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:39,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:39,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:39,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:39,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:39,550 INFO L87 Difference]: Start difference. First operand 18634 states and 52499 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:42,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:42,222 INFO L93 Difference]: Finished difference Result 59980 states and 165370 transitions. [2022-09-16 10:41:42,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:42,222 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:42,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:42,490 INFO L225 Difference]: With dead ends: 59980 [2022-09-16 10:41:42,490 INFO L226 Difference]: Without dead ends: 59980 [2022-09-16 10:41:42,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:42,491 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1706 mSDsluCounter, 3331 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 3707 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:42,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1706 Valid, 3707 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:42,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59980 states. [2022-09-16 10:41:43,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59980 to 18928. [2022-09-16 10:41:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18928 states, 18884 states have (on average 2.8264668502435923) internal successors, (53375), 18927 states have internal predecessors, (53375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:43,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18928 states to 18928 states and 53375 transitions. [2022-09-16 10:41:43,091 INFO L78 Accepts]: Start accepts. Automaton has 18928 states and 53375 transitions. Word has length 70 [2022-09-16 10:41:43,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:43,092 INFO L495 AbstractCegarLoop]: Abstraction has 18928 states and 53375 transitions. [2022-09-16 10:41:43,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 18928 states and 53375 transitions. [2022-09-16 10:41:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:43,098 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:43,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:43,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-09-16 10:41:43,098 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:43,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:43,099 INFO L85 PathProgramCache]: Analyzing trace with hash 2122855624, now seen corresponding path program 82 times [2022-09-16 10:41:43,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:43,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228558598] [2022-09-16 10:41:43,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:43,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:43,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:43,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228558598] [2022-09-16 10:41:43,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228558598] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:43,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:43,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:43,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064390547] [2022-09-16 10:41:43,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:43,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:43,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:43,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:43,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:43,552 INFO L87 Difference]: Start difference. First operand 18928 states and 53375 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:46,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:46,264 INFO L93 Difference]: Finished difference Result 57776 states and 157837 transitions. [2022-09-16 10:41:46,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:46,265 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:46,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:46,405 INFO L225 Difference]: With dead ends: 57776 [2022-09-16 10:41:46,405 INFO L226 Difference]: Without dead ends: 57776 [2022-09-16 10:41:46,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:46,406 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 1843 mSDsluCounter, 3275 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 3666 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:46,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1843 Valid, 3666 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:41:46,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57776 states. [2022-09-16 10:41:46,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57776 to 18879. [2022-09-16 10:41:46,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18879 states, 18835 states have (on average 2.8260684895142023) internal successors, (53229), 18878 states have internal predecessors, (53229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18879 states to 18879 states and 53229 transitions. [2022-09-16 10:41:46,952 INFO L78 Accepts]: Start accepts. Automaton has 18879 states and 53229 transitions. Word has length 70 [2022-09-16 10:41:46,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:46,952 INFO L495 AbstractCegarLoop]: Abstraction has 18879 states and 53229 transitions. [2022-09-16 10:41:46,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 18879 states and 53229 transitions. [2022-09-16 10:41:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:47,096 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:47,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:47,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-09-16 10:41:47,096 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:47,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:47,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1525581082, now seen corresponding path program 83 times [2022-09-16 10:41:47,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:47,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600791073] [2022-09-16 10:41:47,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:47,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:47,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:47,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600791073] [2022-09-16 10:41:47,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600791073] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:47,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:47,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:47,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683638899] [2022-09-16 10:41:47,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:47,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:47,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:47,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:47,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:47,403 INFO L87 Difference]: Start difference. First operand 18879 states and 53229 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:49,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:49,962 INFO L93 Difference]: Finished difference Result 50605 states and 138570 transitions. [2022-09-16 10:41:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:49,962 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:49,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:50,075 INFO L225 Difference]: With dead ends: 50605 [2022-09-16 10:41:50,075 INFO L226 Difference]: Without dead ends: 50605 [2022-09-16 10:41:50,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:50,076 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1702 mSDsluCounter, 2908 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1702 SdHoareTripleChecker+Valid, 3299 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:50,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1702 Valid, 3299 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:50,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50605 states. [2022-09-16 10:41:50,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50605 to 18781. [2022-09-16 10:41:50,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18781 states, 18737 states have (on average 2.825265517425415) internal successors, (52937), 18780 states have internal predecessors, (52937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:50,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18781 states to 18781 states and 52937 transitions. [2022-09-16 10:41:50,632 INFO L78 Accepts]: Start accepts. Automaton has 18781 states and 52937 transitions. Word has length 70 [2022-09-16 10:41:50,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:50,632 INFO L495 AbstractCegarLoop]: Abstraction has 18781 states and 52937 transitions. [2022-09-16 10:41:50,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:50,632 INFO L276 IsEmpty]: Start isEmpty. Operand 18781 states and 52937 transitions. [2022-09-16 10:41:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:50,635 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:50,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:50,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-09-16 10:41:50,635 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:50,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:50,636 INFO L85 PathProgramCache]: Analyzing trace with hash 990395592, now seen corresponding path program 84 times [2022-09-16 10:41:50,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:50,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315575356] [2022-09-16 10:41:50,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:50,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:51,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:51,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315575356] [2022-09-16 10:41:51,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315575356] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:51,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:51,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:51,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994550883] [2022-09-16 10:41:51,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:51,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:51,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:51,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:51,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:51,010 INFO L87 Difference]: Start difference. First operand 18781 states and 52937 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:53,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:53,813 INFO L93 Difference]: Finished difference Result 49790 states and 136261 transitions. [2022-09-16 10:41:53,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:53,814 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:53,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:53,972 INFO L225 Difference]: With dead ends: 49790 [2022-09-16 10:41:53,972 INFO L226 Difference]: Without dead ends: 49790 [2022-09-16 10:41:53,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:53,972 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 1705 mSDsluCounter, 3294 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 3663 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:53,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 3663 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:54,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49790 states. [2022-09-16 10:41:54,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49790 to 18879. [2022-09-16 10:41:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18879 states, 18835 states have (on average 2.8260684895142023) internal successors, (53229), 18878 states have internal predecessors, (53229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18879 states to 18879 states and 53229 transitions. [2022-09-16 10:41:54,555 INFO L78 Accepts]: Start accepts. Automaton has 18879 states and 53229 transitions. Word has length 70 [2022-09-16 10:41:54,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:54,555 INFO L495 AbstractCegarLoop]: Abstraction has 18879 states and 53229 transitions. [2022-09-16 10:41:54,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 18879 states and 53229 transitions. [2022-09-16 10:41:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:54,558 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:54,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:54,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-09-16 10:41:54,558 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:54,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:54,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1960057512, now seen corresponding path program 85 times [2022-09-16 10:41:54,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:54,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120229432] [2022-09-16 10:41:54,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:54,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:54,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:54,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120229432] [2022-09-16 10:41:54,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120229432] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:54,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:54,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:54,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981346991] [2022-09-16 10:41:54,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:54,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:54,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:54,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:54,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:54,854 INFO L87 Difference]: Start difference. First operand 18879 states and 53229 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:57,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:57,500 INFO L93 Difference]: Finished difference Result 51899 states and 141185 transitions. [2022-09-16 10:41:57,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:41:57,501 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:41:57,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:57,607 INFO L225 Difference]: With dead ends: 51899 [2022-09-16 10:41:57,607 INFO L226 Difference]: Without dead ends: 51899 [2022-09-16 10:41:57,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:41:57,608 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 1619 mSDsluCounter, 3323 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:57,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 3713 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:57,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51899 states. [2022-09-16 10:41:58,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51899 to 18830. [2022-09-16 10:41:58,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18830 states, 18786 states have (on average 2.825668050676035) internal successors, (53083), 18829 states have internal predecessors, (53083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18830 states to 18830 states and 53083 transitions. [2022-09-16 10:41:58,179 INFO L78 Accepts]: Start accepts. Automaton has 18830 states and 53083 transitions. Word has length 70 [2022-09-16 10:41:58,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:58,179 INFO L495 AbstractCegarLoop]: Abstraction has 18830 states and 53083 transitions. [2022-09-16 10:41:58,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:58,179 INFO L276 IsEmpty]: Start isEmpty. Operand 18830 states and 53083 transitions. [2022-09-16 10:41:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:41:58,183 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:58,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:58,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-09-16 10:41:58,183 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:58,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:58,183 INFO L85 PathProgramCache]: Analyzing trace with hash -729220378, now seen corresponding path program 86 times [2022-09-16 10:41:58,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:58,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503453199] [2022-09-16 10:41:58,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:58,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:58,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:58,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503453199] [2022-09-16 10:41:58,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503453199] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:58,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:58,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:41:58,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73138888] [2022-09-16 10:41:58,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:58,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:41:58,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:58,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:41:58,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:41:58,494 INFO L87 Difference]: Start difference. First operand 18830 states and 53083 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:01,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:01,188 INFO L93 Difference]: Finished difference Result 50182 states and 136599 transitions. [2022-09-16 10:42:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:01,188 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:01,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:01,433 INFO L225 Difference]: With dead ends: 50182 [2022-09-16 10:42:01,433 INFO L226 Difference]: Without dead ends: 50182 [2022-09-16 10:42:01,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:01,433 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 1882 mSDsluCounter, 3251 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 3636 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:01,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 3636 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:42:01,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50182 states. [2022-09-16 10:42:01,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50182 to 18879. [2022-09-16 10:42:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18879 states, 18835 states have (on average 2.8260684895142023) internal successors, (53229), 18878 states have internal predecessors, (53229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18879 states to 18879 states and 53229 transitions. [2022-09-16 10:42:01,949 INFO L78 Accepts]: Start accepts. Automaton has 18879 states and 53229 transitions. Word has length 70 [2022-09-16 10:42:01,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:01,949 INFO L495 AbstractCegarLoop]: Abstraction has 18879 states and 53229 transitions. [2022-09-16 10:42:01,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 18879 states and 53229 transitions. [2022-09-16 10:42:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:01,953 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:01,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:01,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-09-16 10:42:01,953 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:01,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:01,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1785148616, now seen corresponding path program 87 times [2022-09-16 10:42:01,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:01,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839611702] [2022-09-16 10:42:01,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:01,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:02,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:02,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839611702] [2022-09-16 10:42:02,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839611702] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:02,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:02,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:02,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017801272] [2022-09-16 10:42:02,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:02,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:02,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:02,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:02,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:02,249 INFO L87 Difference]: Start difference. First operand 18879 states and 53229 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:04,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:04,928 INFO L93 Difference]: Finished difference Result 42707 states and 116778 transitions. [2022-09-16 10:42:04,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:04,928 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:04,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:05,015 INFO L225 Difference]: With dead ends: 42707 [2022-09-16 10:42:05,016 INFO L226 Difference]: Without dead ends: 42707 [2022-09-16 10:42:05,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:05,016 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 1674 mSDsluCounter, 3267 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 3623 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:05,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 3623 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:42:05,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42707 states. [2022-09-16 10:42:05,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42707 to 18683. [2022-09-16 10:42:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18683 states, 18639 states have (on average 2.8244541016148936) internal successors, (52645), 18682 states have internal predecessors, (52645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18683 states to 18683 states and 52645 transitions. [2022-09-16 10:42:05,537 INFO L78 Accepts]: Start accepts. Automaton has 18683 states and 52645 transitions. Word has length 70 [2022-09-16 10:42:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:05,537 INFO L495 AbstractCegarLoop]: Abstraction has 18683 states and 52645 transitions. [2022-09-16 10:42:05,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 18683 states and 52645 transitions. [2022-09-16 10:42:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:05,540 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:05,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:05,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-09-16 10:42:05,540 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:05,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:05,540 INFO L85 PathProgramCache]: Analyzing trace with hash 521226186, now seen corresponding path program 88 times [2022-09-16 10:42:05,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:05,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289711675] [2022-09-16 10:42:05,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:05,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:05,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:05,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289711675] [2022-09-16 10:42:05,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289711675] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:05,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:05,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:05,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830464719] [2022-09-16 10:42:05,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:05,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:05,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:05,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:05,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:05,854 INFO L87 Difference]: Start difference. First operand 18683 states and 52645 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:08,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:08,399 INFO L93 Difference]: Finished difference Result 43996 states and 121042 transitions. [2022-09-16 10:42:08,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:08,399 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:08,486 INFO L225 Difference]: With dead ends: 43996 [2022-09-16 10:42:08,486 INFO L226 Difference]: Without dead ends: 43996 [2022-09-16 10:42:08,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:08,487 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 1731 mSDsluCounter, 2853 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 3246 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:08,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 3246 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:42:08,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43996 states. [2022-09-16 10:42:08,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43996 to 18879. [2022-09-16 10:42:08,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18879 states, 18835 states have (on average 2.8260684895142023) internal successors, (53229), 18878 states have internal predecessors, (53229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18879 states to 18879 states and 53229 transitions. [2022-09-16 10:42:09,022 INFO L78 Accepts]: Start accepts. Automaton has 18879 states and 53229 transitions. Word has length 70 [2022-09-16 10:42:09,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:09,022 INFO L495 AbstractCegarLoop]: Abstraction has 18879 states and 53229 transitions. [2022-09-16 10:42:09,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 18879 states and 53229 transitions. [2022-09-16 10:42:09,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:09,025 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:09,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:09,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-09-16 10:42:09,026 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:09,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:09,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1490888106, now seen corresponding path program 89 times [2022-09-16 10:42:09,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:09,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953806769] [2022-09-16 10:42:09,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:09,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:09,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:09,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953806769] [2022-09-16 10:42:09,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953806769] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:09,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:09,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:09,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372300629] [2022-09-16 10:42:09,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:09,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:09,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:09,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:09,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:09,331 INFO L87 Difference]: Start difference. First operand 18879 states and 53229 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:12,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:12,003 INFO L93 Difference]: Finished difference Result 41792 states and 113509 transitions. [2022-09-16 10:42:12,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:12,003 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:12,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:12,092 INFO L225 Difference]: With dead ends: 41792 [2022-09-16 10:42:12,092 INFO L226 Difference]: Without dead ends: 41792 [2022-09-16 10:42:12,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:12,093 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 1594 mSDsluCounter, 3301 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 3684 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:12,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 3684 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1225 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:42:12,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41792 states. [2022-09-16 10:42:12,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41792 to 18830. [2022-09-16 10:42:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18830 states, 18786 states have (on average 2.825668050676035) internal successors, (53083), 18829 states have internal predecessors, (53083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:12,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18830 states to 18830 states and 53083 transitions. [2022-09-16 10:42:12,695 INFO L78 Accepts]: Start accepts. Automaton has 18830 states and 53083 transitions. Word has length 70 [2022-09-16 10:42:12,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:12,695 INFO L495 AbstractCegarLoop]: Abstraction has 18830 states and 53083 transitions. [2022-09-16 10:42:12,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:12,695 INFO L276 IsEmpty]: Start isEmpty. Operand 18830 states and 53083 transitions. [2022-09-16 10:42:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:12,698 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:12,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:12,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-09-16 10:42:12,698 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:12,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:12,698 INFO L85 PathProgramCache]: Analyzing trace with hash 2137418696, now seen corresponding path program 90 times [2022-09-16 10:42:12,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:12,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077568866] [2022-09-16 10:42:12,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:12,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:12,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:12,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077568866] [2022-09-16 10:42:12,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077568866] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:12,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:12,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:12,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244594389] [2022-09-16 10:42:12,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:12,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:12,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:12,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:12,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:12,991 INFO L87 Difference]: Start difference. First operand 18830 states and 53083 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:15,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:15,588 INFO L93 Difference]: Finished difference Result 41883 states and 114327 transitions. [2022-09-16 10:42:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:15,588 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:15,663 INFO L225 Difference]: With dead ends: 41883 [2022-09-16 10:42:15,663 INFO L226 Difference]: Without dead ends: 41883 [2022-09-16 10:42:15,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:15,664 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 1500 mSDsluCounter, 3282 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:15,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 3660 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:42:15,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41883 states. [2022-09-16 10:42:16,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41883 to 18732. [2022-09-16 10:42:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18732 states, 18688 states have (on average 2.824860873287671) internal successors, (52791), 18731 states have internal predecessors, (52791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:16,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18732 states to 18732 states and 52791 transitions. [2022-09-16 10:42:16,078 INFO L78 Accepts]: Start accepts. Automaton has 18732 states and 52791 transitions. Word has length 70 [2022-09-16 10:42:16,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:16,078 INFO L495 AbstractCegarLoop]: Abstraction has 18732 states and 52791 transitions. [2022-09-16 10:42:16,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 18732 states and 52791 transitions. [2022-09-16 10:42:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:16,082 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:16,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:16,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-09-16 10:42:16,082 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:16,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:16,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1334250214, now seen corresponding path program 91 times [2022-09-16 10:42:16,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:16,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812648361] [2022-09-16 10:42:16,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:16,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:16,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:16,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812648361] [2022-09-16 10:42:16,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812648361] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:16,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:16,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:16,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957317484] [2022-09-16 10:42:16,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:16,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:16,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:16,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:16,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:16,379 INFO L87 Difference]: Start difference. First operand 18732 states and 52791 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:18,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:18,873 INFO L93 Difference]: Finished difference Result 31961 states and 87704 transitions. [2022-09-16 10:42:18,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:18,873 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:18,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:18,933 INFO L225 Difference]: With dead ends: 31961 [2022-09-16 10:42:18,933 INFO L226 Difference]: Without dead ends: 31961 [2022-09-16 10:42:18,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:18,934 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 1533 mSDsluCounter, 3225 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 3593 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:18,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1533 Valid, 3593 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:42:18,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31961 states. [2022-09-16 10:42:19,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31961 to 18536. [2022-09-16 10:42:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18536 states, 18492 states have (on average 2.823220852260437) internal successors, (52207), 18535 states have internal predecessors, (52207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 52207 transitions. [2022-09-16 10:42:19,425 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 52207 transitions. Word has length 70 [2022-09-16 10:42:19,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:19,426 INFO L495 AbstractCegarLoop]: Abstraction has 18536 states and 52207 transitions. [2022-09-16 10:42:19,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 52207 transitions. [2022-09-16 10:42:19,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:19,429 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:19,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:19,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-09-16 10:42:19,429 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:19,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:19,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1790214634, now seen corresponding path program 92 times [2022-09-16 10:42:19,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:19,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542439064] [2022-09-16 10:42:19,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:19,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:19,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:19,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:19,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542439064] [2022-09-16 10:42:19,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542439064] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:19,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:19,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:42:19,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989796226] [2022-09-16 10:42:19,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:19,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:42:19,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:19,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:42:19,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:42:19,707 INFO L87 Difference]: Start difference. First operand 18536 states and 52207 transitions. Second operand has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:22,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:22,334 INFO L93 Difference]: Finished difference Result 34410 states and 96519 transitions. [2022-09-16 10:42:22,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:22,334 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:22,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:22,398 INFO L225 Difference]: With dead ends: 34410 [2022-09-16 10:42:22,398 INFO L226 Difference]: Without dead ends: 34410 [2022-09-16 10:42:22,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=525, Invalid=1281, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:42:22,399 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 1656 mSDsluCounter, 3425 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 3775 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:22,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 3775 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1256 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:42:22,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34410 states. [2022-09-16 10:42:22,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34410 to 19123. [2022-09-16 10:42:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19123 states, 19079 states have (on average 2.827978405576812) internal successors, (53955), 19122 states have internal predecessors, (53955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:22,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19123 states to 19123 states and 53955 transitions. [2022-09-16 10:42:22,776 INFO L78 Accepts]: Start accepts. Automaton has 19123 states and 53955 transitions. Word has length 70 [2022-09-16 10:42:22,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:22,776 INFO L495 AbstractCegarLoop]: Abstraction has 19123 states and 53955 transitions. [2022-09-16 10:42:22,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 19123 states and 53955 transitions. [2022-09-16 10:42:22,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:22,779 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:22,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:22,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-09-16 10:42:22,779 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:22,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:22,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2096161244, now seen corresponding path program 93 times [2022-09-16 10:42:22,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:22,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987644834] [2022-09-16 10:42:22,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:22,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:23,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:23,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987644834] [2022-09-16 10:42:23,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987644834] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:23,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:23,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:42:23,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764943591] [2022-09-16 10:42:23,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:23,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:42:23,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:23,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:42:23,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:42:23,064 INFO L87 Difference]: Start difference. First operand 19123 states and 53955 transitions. Second operand has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:25,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:25,684 INFO L93 Difference]: Finished difference Result 44647 states and 124894 transitions. [2022-09-16 10:42:25,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:25,685 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:25,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:25,778 INFO L225 Difference]: With dead ends: 44647 [2022-09-16 10:42:25,778 INFO L226 Difference]: Without dead ends: 44647 [2022-09-16 10:42:25,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=523, Invalid=1283, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:42:25,779 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 1640 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 3535 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:25,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1640 Valid, 3535 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:42:25,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44647 states. [2022-09-16 10:42:26,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44647 to 19172. [2022-09-16 10:42:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19172 states, 19128 states have (on average 2.828366792137181) internal successors, (54101), 19171 states have internal predecessors, (54101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19172 states to 19172 states and 54101 transitions. [2022-09-16 10:42:26,484 INFO L78 Accepts]: Start accepts. Automaton has 19172 states and 54101 transitions. Word has length 70 [2022-09-16 10:42:26,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:26,484 INFO L495 AbstractCegarLoop]: Abstraction has 19172 states and 54101 transitions. [2022-09-16 10:42:26,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 19172 states and 54101 transitions. [2022-09-16 10:42:26,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:26,487 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:26,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:26,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-09-16 10:42:26,488 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:26,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:26,488 INFO L85 PathProgramCache]: Analyzing trace with hash -34407132, now seen corresponding path program 94 times [2022-09-16 10:42:26,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:26,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672123160] [2022-09-16 10:42:26,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:26,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:26,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:26,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:26,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672123160] [2022-09-16 10:42:26,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672123160] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:26,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:26,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:26,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841921090] [2022-09-16 10:42:26,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:26,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:26,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:26,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:26,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:26,795 INFO L87 Difference]: Start difference. First operand 19172 states and 54101 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:29,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:29,306 INFO L93 Difference]: Finished difference Result 44213 states and 122642 transitions. [2022-09-16 10:42:29,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:29,307 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:29,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:29,558 INFO L225 Difference]: With dead ends: 44213 [2022-09-16 10:42:29,558 INFO L226 Difference]: Without dead ends: 44213 [2022-09-16 10:42:29,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:29,559 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 1851 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 3132 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:29,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 3132 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:42:29,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44213 states. [2022-09-16 10:42:29,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44213 to 19319. [2022-09-16 10:42:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19319 states, 19275 states have (on average 2.829520103761349) internal successors, (54539), 19318 states have internal predecessors, (54539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19319 states to 19319 states and 54539 transitions. [2022-09-16 10:42:29,989 INFO L78 Accepts]: Start accepts. Automaton has 19319 states and 54539 transitions. Word has length 70 [2022-09-16 10:42:29,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:29,989 INFO L495 AbstractCegarLoop]: Abstraction has 19319 states and 54539 transitions. [2022-09-16 10:42:29,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:29,989 INFO L276 IsEmpty]: Start isEmpty. Operand 19319 states and 54539 transitions. [2022-09-16 10:42:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:29,993 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:29,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:29,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-09-16 10:42:29,993 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:29,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:29,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1815005434, now seen corresponding path program 95 times [2022-09-16 10:42:29,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:29,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416912782] [2022-09-16 10:42:29,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:29,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:30,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:30,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416912782] [2022-09-16 10:42:30,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416912782] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:30,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:30,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:30,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028925113] [2022-09-16 10:42:30,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:30,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:30,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:30,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:30,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:30,375 INFO L87 Difference]: Start difference. First operand 19319 states and 54539 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:32,989 INFO L93 Difference]: Finished difference Result 43811 states and 121725 transitions. [2022-09-16 10:42:32,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:32,990 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:32,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:33,082 INFO L225 Difference]: With dead ends: 43811 [2022-09-16 10:42:33,082 INFO L226 Difference]: Without dead ends: 43811 [2022-09-16 10:42:33,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:33,083 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 1596 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 3573 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:33,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 3573 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:42:33,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43811 states. [2022-09-16 10:42:33,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43811 to 19270. [2022-09-16 10:42:33,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19270 states, 19226 states have (on average 2.8291376261312804) internal successors, (54393), 19269 states have internal predecessors, (54393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19270 states to 19270 states and 54393 transitions. [2022-09-16 10:42:33,733 INFO L78 Accepts]: Start accepts. Automaton has 19270 states and 54393 transitions. Word has length 70 [2022-09-16 10:42:33,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:33,733 INFO L495 AbstractCegarLoop]: Abstraction has 19270 states and 54393 transitions. [2022-09-16 10:42:33,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:33,733 INFO L276 IsEmpty]: Start isEmpty. Operand 19270 states and 54393 transitions. [2022-09-16 10:42:33,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:33,736 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:33,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:33,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-09-16 10:42:33,736 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:33,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:33,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1282401408, now seen corresponding path program 96 times [2022-09-16 10:42:33,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:33,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491771390] [2022-09-16 10:42:33,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:33,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:34,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:34,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491771390] [2022-09-16 10:42:34,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491771390] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:34,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:34,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:34,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220996102] [2022-09-16 10:42:34,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:34,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:34,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:34,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:34,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:34,065 INFO L87 Difference]: Start difference. First operand 19270 states and 54393 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:36,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:36,565 INFO L93 Difference]: Finished difference Result 39285 states and 109011 transitions. [2022-09-16 10:42:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:36,566 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:36,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:36,641 INFO L225 Difference]: With dead ends: 39285 [2022-09-16 10:42:36,641 INFO L226 Difference]: Without dead ends: 39285 [2022-09-16 10:42:36,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:36,642 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 1825 mSDsluCounter, 2771 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 3172 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:36,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 3172 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:42:36,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39285 states. [2022-09-16 10:42:37,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39285 to 19123. [2022-09-16 10:42:37,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19123 states, 19079 states have (on average 2.827978405576812) internal successors, (53955), 19122 states have internal predecessors, (53955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19123 states to 19123 states and 53955 transitions. [2022-09-16 10:42:37,214 INFO L78 Accepts]: Start accepts. Automaton has 19123 states and 53955 transitions. Word has length 70 [2022-09-16 10:42:37,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:37,214 INFO L495 AbstractCegarLoop]: Abstraction has 19123 states and 53955 transitions. [2022-09-16 10:42:37,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 19123 states and 53955 transitions. [2022-09-16 10:42:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:37,218 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:37,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:37,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-09-16 10:42:37,218 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:37,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:37,218 INFO L85 PathProgramCache]: Analyzing trace with hash -237550554, now seen corresponding path program 97 times [2022-09-16 10:42:37,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:37,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569536208] [2022-09-16 10:42:37,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:37,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:37,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:37,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569536208] [2022-09-16 10:42:37,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569536208] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:37,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:37,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:42:37,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051706246] [2022-09-16 10:42:37,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:37,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:42:37,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:37,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:42:37,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:42:37,511 INFO L87 Difference]: Start difference. First operand 19123 states and 53955 transitions. Second operand has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:40,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:40,212 INFO L93 Difference]: Finished difference Result 49337 states and 136955 transitions. [2022-09-16 10:42:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:40,212 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:40,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:40,318 INFO L225 Difference]: With dead ends: 49337 [2022-09-16 10:42:40,318 INFO L226 Difference]: Without dead ends: 49337 [2022-09-16 10:42:40,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=523, Invalid=1283, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:42:40,318 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 1546 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 3978 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:40,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1546 Valid, 3978 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1332 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:42:40,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49337 states. [2022-09-16 10:42:40,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49337 to 19221. [2022-09-16 10:42:40,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19221 states, 19177 states have (on average 2.828753193930229) internal successors, (54247), 19220 states have internal predecessors, (54247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19221 states to 19221 states and 54247 transitions. [2022-09-16 10:42:40,825 INFO L78 Accepts]: Start accepts. Automaton has 19221 states and 54247 transitions. Word has length 70 [2022-09-16 10:42:40,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:40,825 INFO L495 AbstractCegarLoop]: Abstraction has 19221 states and 54247 transitions. [2022-09-16 10:42:40,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:40,825 INFO L276 IsEmpty]: Start isEmpty. Operand 19221 states and 54247 transitions. [2022-09-16 10:42:40,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:40,829 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:40,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:40,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-09-16 10:42:40,829 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:40,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1926848366, now seen corresponding path program 98 times [2022-09-16 10:42:40,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:40,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116961380] [2022-09-16 10:42:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:40,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:41,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:41,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116961380] [2022-09-16 10:42:41,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116961380] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:41,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:41,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:41,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576319980] [2022-09-16 10:42:41,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:41,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:41,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:41,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:41,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:41,319 INFO L87 Difference]: Start difference. First operand 19221 states and 54247 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:43,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:43,960 INFO L93 Difference]: Finished difference Result 58919 states and 162492 transitions. [2022-09-16 10:42:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:43,960 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:43,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:44,259 INFO L225 Difference]: With dead ends: 58919 [2022-09-16 10:42:44,260 INFO L226 Difference]: Without dead ends: 58919 [2022-09-16 10:42:44,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:44,260 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 1881 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 3618 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:44,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 3618 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:42:44,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58919 states. [2022-09-16 10:42:44,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58919 to 19368. [2022-09-16 10:42:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19368 states, 19324 states have (on average 2.8299006416890915) internal successors, (54685), 19367 states have internal predecessors, (54685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19368 states to 19368 states and 54685 transitions. [2022-09-16 10:42:44,779 INFO L78 Accepts]: Start accepts. Automaton has 19368 states and 54685 transitions. Word has length 70 [2022-09-16 10:42:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:44,779 INFO L495 AbstractCegarLoop]: Abstraction has 19368 states and 54685 transitions. [2022-09-16 10:42:44,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 19368 states and 54685 transitions. [2022-09-16 10:42:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:44,783 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:44,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:44,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-09-16 10:42:44,783 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:44,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:44,783 INFO L85 PathProgramCache]: Analyzing trace with hash 146250064, now seen corresponding path program 99 times [2022-09-16 10:42:44,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:44,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131709878] [2022-09-16 10:42:44,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:44,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:45,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:45,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131709878] [2022-09-16 10:42:45,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131709878] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:45,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:45,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:45,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968577854] [2022-09-16 10:42:45,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:45,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:45,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:45,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:45,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:45,095 INFO L87 Difference]: Start difference. First operand 19368 states and 54685 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:47,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:47,875 INFO L93 Difference]: Finished difference Result 58517 states and 161575 transitions. [2022-09-16 10:42:47,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:47,875 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:47,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:48,014 INFO L225 Difference]: With dead ends: 58517 [2022-09-16 10:42:48,015 INFO L226 Difference]: Without dead ends: 58517 [2022-09-16 10:42:48,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:48,015 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 1656 mSDsluCounter, 3251 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 3640 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:48,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 3640 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:42:48,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58517 states. [2022-09-16 10:42:48,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58517 to 19319. [2022-09-16 10:42:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19319 states, 19275 states have (on average 2.829520103761349) internal successors, (54539), 19318 states have internal predecessors, (54539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19319 states to 19319 states and 54539 transitions. [2022-09-16 10:42:48,740 INFO L78 Accepts]: Start accepts. Automaton has 19319 states and 54539 transitions. Word has length 70 [2022-09-16 10:42:48,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:48,740 INFO L495 AbstractCegarLoop]: Abstraction has 19319 states and 54539 transitions. [2022-09-16 10:42:48,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 19319 states and 54539 transitions. [2022-09-16 10:42:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:48,743 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:48,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:48,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-09-16 10:42:48,743 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:48,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:48,744 INFO L85 PathProgramCache]: Analyzing trace with hash 678854090, now seen corresponding path program 100 times [2022-09-16 10:42:48,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:48,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018985490] [2022-09-16 10:42:48,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:48,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:49,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:49,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018985490] [2022-09-16 10:42:49,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018985490] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:49,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:49,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:49,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576531903] [2022-09-16 10:42:49,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:49,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:49,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:49,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:49,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:49,045 INFO L87 Difference]: Start difference. First operand 19319 states and 54539 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:51,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:51,747 INFO L93 Difference]: Finished difference Result 53991 states and 148861 transitions. [2022-09-16 10:42:51,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:51,747 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:51,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:51,869 INFO L225 Difference]: With dead ends: 53991 [2022-09-16 10:42:51,869 INFO L226 Difference]: Without dead ends: 53991 [2022-09-16 10:42:51,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:51,870 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 1889 mSDsluCounter, 2828 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 3228 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:51,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 3228 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:42:51,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53991 states. [2022-09-16 10:42:52,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53991 to 19172. [2022-09-16 10:42:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19172 states, 19128 states have (on average 2.828366792137181) internal successors, (54101), 19171 states have internal predecessors, (54101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19172 states to 19172 states and 54101 transitions. [2022-09-16 10:42:52,533 INFO L78 Accepts]: Start accepts. Automaton has 19172 states and 54101 transitions. Word has length 70 [2022-09-16 10:42:52,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:52,533 INFO L495 AbstractCegarLoop]: Abstraction has 19172 states and 54101 transitions. [2022-09-16 10:42:52,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 19172 states and 54101 transitions. [2022-09-16 10:42:52,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:52,537 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:52,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:52,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-09-16 10:42:52,537 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:52,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:52,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1208948682, now seen corresponding path program 101 times [2022-09-16 10:42:52,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:52,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044006159] [2022-09-16 10:42:52,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:52,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:52,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:52,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044006159] [2022-09-16 10:42:52,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044006159] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:52,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:52,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:52,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957207348] [2022-09-16 10:42:52,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:52,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:52,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:52,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:52,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:52,828 INFO L87 Difference]: Start difference. First operand 19172 states and 54101 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:55,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:55,513 INFO L93 Difference]: Finished difference Result 44548 states and 124134 transitions. [2022-09-16 10:42:55,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:55,513 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:55,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:55,601 INFO L225 Difference]: With dead ends: 44548 [2022-09-16 10:42:55,601 INFO L226 Difference]: Without dead ends: 44548 [2022-09-16 10:42:55,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:55,602 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 1935 mSDsluCounter, 3185 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 3561 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:55,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 3561 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:42:55,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44548 states. [2022-09-16 10:42:55,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44548 to 19368. [2022-09-16 10:42:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19368 states, 19324 states have (on average 2.8299006416890915) internal successors, (54685), 19367 states have internal predecessors, (54685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:56,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19368 states to 19368 states and 54685 transitions. [2022-09-16 10:42:56,064 INFO L78 Accepts]: Start accepts. Automaton has 19368 states and 54685 transitions. Word has length 70 [2022-09-16 10:42:56,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:56,064 INFO L495 AbstractCegarLoop]: Abstraction has 19368 states and 54685 transitions. [2022-09-16 10:42:56,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:56,064 INFO L276 IsEmpty]: Start isEmpty. Operand 19368 states and 54685 transitions. [2022-09-16 10:42:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:56,068 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:56,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:56,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-09-16 10:42:56,068 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:56,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:56,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2116356694, now seen corresponding path program 102 times [2022-09-16 10:42:56,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:56,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360648680] [2022-09-16 10:42:56,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:56,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:56,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:56,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360648680] [2022-09-16 10:42:56,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360648680] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:56,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:56,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:56,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376427031] [2022-09-16 10:42:56,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:56,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:56,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:56,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:56,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:56,504 INFO L87 Difference]: Start difference. First operand 19368 states and 54685 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:58,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:58,962 INFO L93 Difference]: Finished difference Result 46657 states and 129058 transitions. [2022-09-16 10:42:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:42:58,962 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:42:58,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:59,060 INFO L225 Difference]: With dead ends: 46657 [2022-09-16 10:42:59,060 INFO L226 Difference]: Without dead ends: 46657 [2022-09-16 10:42:59,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:59,061 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 1642 mSDsluCounter, 2806 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:59,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 3214 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:42:59,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46657 states. [2022-09-16 10:42:59,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46657 to 19319. [2022-09-16 10:42:59,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19319 states, 19275 states have (on average 2.829520103761349) internal successors, (54539), 19318 states have internal predecessors, (54539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:59,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19319 states to 19319 states and 54539 transitions. [2022-09-16 10:42:59,648 INFO L78 Accepts]: Start accepts. Automaton has 19319 states and 54539 transitions. Word has length 70 [2022-09-16 10:42:59,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:59,648 INFO L495 AbstractCegarLoop]: Abstraction has 19319 states and 54539 transitions. [2022-09-16 10:42:59,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:59,648 INFO L276 IsEmpty]: Start isEmpty. Operand 19319 states and 54539 transitions. [2022-09-16 10:42:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:42:59,652 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:59,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:59,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-09-16 10:42:59,652 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:59,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:59,652 INFO L85 PathProgramCache]: Analyzing trace with hash -510667288, now seen corresponding path program 103 times [2022-09-16 10:42:59,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:59,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293072253] [2022-09-16 10:42:59,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:59,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:59,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:59,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293072253] [2022-09-16 10:42:59,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293072253] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:59,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:59,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:42:59,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657821283] [2022-09-16 10:42:59,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:59,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:42:59,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:59,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:42:59,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:42:59,948 INFO L87 Difference]: Start difference. First operand 19319 states and 54539 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:02,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:02,543 INFO L93 Difference]: Finished difference Result 55730 states and 153088 transitions. [2022-09-16 10:43:02,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:02,544 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:02,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:02,665 INFO L225 Difference]: With dead ends: 55730 [2022-09-16 10:43:02,665 INFO L226 Difference]: Without dead ends: 55730 [2022-09-16 10:43:02,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:02,666 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1867 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1867 SdHoareTripleChecker+Valid, 3198 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:02,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1867 Valid, 3198 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:43:02,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55730 states. [2022-09-16 10:43:03,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55730 to 19368. [2022-09-16 10:43:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19368 states, 19324 states have (on average 2.8299006416890915) internal successors, (54685), 19367 states have internal predecessors, (54685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19368 states to 19368 states and 54685 transitions. [2022-09-16 10:43:03,487 INFO L78 Accepts]: Start accepts. Automaton has 19368 states and 54685 transitions. Word has length 70 [2022-09-16 10:43:03,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:03,487 INFO L495 AbstractCegarLoop]: Abstraction has 19368 states and 54685 transitions. [2022-09-16 10:43:03,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 19368 states and 54685 transitions. [2022-09-16 10:43:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:03,491 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:03,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:03,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-09-16 10:43:03,492 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:03,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:03,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2003701706, now seen corresponding path program 104 times [2022-09-16 10:43:03,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:03,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325474239] [2022-09-16 10:43:03,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:03,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:03,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:03,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325474239] [2022-09-16 10:43:03,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325474239] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:03,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:03,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:03,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337046683] [2022-09-16 10:43:03,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:03,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:03,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:03,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:03,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:03,788 INFO L87 Difference]: Start difference. First operand 19368 states and 54685 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:06,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:06,440 INFO L93 Difference]: Finished difference Result 47265 states and 130828 transitions. [2022-09-16 10:43:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:06,441 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:06,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:06,544 INFO L225 Difference]: With dead ends: 47265 [2022-09-16 10:43:06,544 INFO L226 Difference]: Without dead ends: 47265 [2022-09-16 10:43:06,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:06,544 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 1586 mSDsluCounter, 2821 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 3218 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:06,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 3218 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:43:06,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47265 states. [2022-09-16 10:43:06,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47265 to 19270. [2022-09-16 10:43:06,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19270 states, 19226 states have (on average 2.8291376261312804) internal successors, (54393), 19269 states have internal predecessors, (54393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19270 states to 19270 states and 54393 transitions. [2022-09-16 10:43:07,004 INFO L78 Accepts]: Start accepts. Automaton has 19270 states and 54393 transitions. Word has length 70 [2022-09-16 10:43:07,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:07,004 INFO L495 AbstractCegarLoop]: Abstraction has 19270 states and 54393 transitions. [2022-09-16 10:43:07,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 19270 states and 54393 transitions. [2022-09-16 10:43:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:07,008 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:07,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:07,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-09-16 10:43:07,008 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:07,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:07,008 INFO L85 PathProgramCache]: Analyzing trace with hash 420626188, now seen corresponding path program 105 times [2022-09-16 10:43:07,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:07,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822804293] [2022-09-16 10:43:07,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:07,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:07,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:07,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822804293] [2022-09-16 10:43:07,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822804293] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:07,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:07,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:07,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794344430] [2022-09-16 10:43:07,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:07,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:07,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:07,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:07,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:07,312 INFO L87 Difference]: Start difference. First operand 19270 states and 54393 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:09,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:09,900 INFO L93 Difference]: Finished difference Result 52402 states and 143218 transitions. [2022-09-16 10:43:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:09,900 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:09,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:10,013 INFO L225 Difference]: With dead ends: 52402 [2022-09-16 10:43:10,014 INFO L226 Difference]: Without dead ends: 52402 [2022-09-16 10:43:10,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:10,014 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1845 mSDsluCounter, 2798 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 3206 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:10,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 3206 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:43:10,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52402 states. [2022-09-16 10:43:10,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52402 to 19417. [2022-09-16 10:43:10,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19417 states, 19373 states have (on average 2.830279254632736) internal successors, (54831), 19416 states have internal predecessors, (54831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:10,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19417 states to 19417 states and 54831 transitions. [2022-09-16 10:43:10,631 INFO L78 Accepts]: Start accepts. Automaton has 19417 states and 54831 transitions. Word has length 70 [2022-09-16 10:43:10,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:10,631 INFO L495 AbstractCegarLoop]: Abstraction has 19417 states and 54831 transitions. [2022-09-16 10:43:10,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 19417 states and 54831 transitions. [2022-09-16 10:43:10,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:10,635 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:10,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:10,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-09-16 10:43:10,635 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:10,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:10,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1359972114, now seen corresponding path program 106 times [2022-09-16 10:43:10,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:10,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936190281] [2022-09-16 10:43:10,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:10,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:10,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:10,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936190281] [2022-09-16 10:43:10,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936190281] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:10,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:10,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:10,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320313916] [2022-09-16 10:43:10,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:10,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:10,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:10,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:10,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:10,948 INFO L87 Difference]: Start difference. First operand 19417 states and 54831 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:13,635 INFO L93 Difference]: Finished difference Result 52000 states and 142301 transitions. [2022-09-16 10:43:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:13,636 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:13,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:13,756 INFO L225 Difference]: With dead ends: 52000 [2022-09-16 10:43:13,756 INFO L226 Difference]: Without dead ends: 52000 [2022-09-16 10:43:13,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:13,757 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 1757 mSDsluCounter, 2807 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 3208 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:13,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 3208 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:43:13,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52000 states. [2022-09-16 10:43:14,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52000 to 19368. [2022-09-16 10:43:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19368 states, 19324 states have (on average 2.8299006416890915) internal successors, (54685), 19367 states have internal predecessors, (54685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:14,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19368 states to 19368 states and 54685 transitions. [2022-09-16 10:43:14,440 INFO L78 Accepts]: Start accepts. Automaton has 19368 states and 54685 transitions. Word has length 70 [2022-09-16 10:43:14,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:14,440 INFO L495 AbstractCegarLoop]: Abstraction has 19368 states and 54685 transitions. [2022-09-16 10:43:14,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 19368 states and 54685 transitions. [2022-09-16 10:43:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:14,444 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:14,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:14,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-09-16 10:43:14,444 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:14,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:14,445 INFO L85 PathProgramCache]: Analyzing trace with hash -827368088, now seen corresponding path program 107 times [2022-09-16 10:43:14,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:14,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951847668] [2022-09-16 10:43:14,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:14,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:14,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:14,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951847668] [2022-09-16 10:43:14,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951847668] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:14,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:14,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:14,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196709775] [2022-09-16 10:43:14,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:14,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:14,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:14,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:14,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:14,756 INFO L87 Difference]: Start difference. First operand 19368 states and 54685 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:17,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:17,394 INFO L93 Difference]: Finished difference Result 43678 states and 120258 transitions. [2022-09-16 10:43:17,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:17,395 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:17,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:17,477 INFO L225 Difference]: With dead ends: 43678 [2022-09-16 10:43:17,477 INFO L226 Difference]: Without dead ends: 43678 [2022-09-16 10:43:17,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:17,477 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 1525 mSDsluCounter, 2855 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 3251 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:17,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 3251 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:43:17,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43678 states. [2022-09-16 10:43:17,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43678 to 19123. [2022-09-16 10:43:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19123 states, 19079 states have (on average 2.827978405576812) internal successors, (53955), 19122 states have internal predecessors, (53955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19123 states to 19123 states and 53955 transitions. [2022-09-16 10:43:17,899 INFO L78 Accepts]: Start accepts. Automaton has 19123 states and 53955 transitions. Word has length 70 [2022-09-16 10:43:17,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:17,899 INFO L495 AbstractCegarLoop]: Abstraction has 19123 states and 53955 transitions. [2022-09-16 10:43:17,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:17,899 INFO L276 IsEmpty]: Start isEmpty. Operand 19123 states and 53955 transitions. [2022-09-16 10:43:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:17,902 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:17,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:17,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-09-16 10:43:17,902 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:17,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:17,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1850029122, now seen corresponding path program 108 times [2022-09-16 10:43:17,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:17,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158618208] [2022-09-16 10:43:17,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:18,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:18,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158618208] [2022-09-16 10:43:18,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158618208] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:18,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:18,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:43:18,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918263634] [2022-09-16 10:43:18,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:18,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:43:18,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:18,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:43:18,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:43:18,189 INFO L87 Difference]: Start difference. First operand 19123 states and 53955 transitions. Second operand has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:20,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:20,904 INFO L93 Difference]: Finished difference Result 51702 states and 143819 transitions. [2022-09-16 10:43:20,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:20,904 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:20,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:21,015 INFO L225 Difference]: With dead ends: 51702 [2022-09-16 10:43:21,015 INFO L226 Difference]: Without dead ends: 51702 [2022-09-16 10:43:21,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=523, Invalid=1283, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:43:21,016 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 1954 mSDsluCounter, 3238 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 3588 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:21,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1954 Valid, 3588 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:43:21,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51702 states. [2022-09-16 10:43:21,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51702 to 19319. [2022-09-16 10:43:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19319 states, 19275 states have (on average 2.829520103761349) internal successors, (54539), 19318 states have internal predecessors, (54539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:21,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19319 states to 19319 states and 54539 transitions. [2022-09-16 10:43:21,651 INFO L78 Accepts]: Start accepts. Automaton has 19319 states and 54539 transitions. Word has length 70 [2022-09-16 10:43:21,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:21,651 INFO L495 AbstractCegarLoop]: Abstraction has 19319 states and 54539 transitions. [2022-09-16 10:43:21,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:21,651 INFO L276 IsEmpty]: Start isEmpty. Operand 19319 states and 54539 transitions. [2022-09-16 10:43:21,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:21,654 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:21,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:21,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-09-16 10:43:21,654 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:21,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:21,655 INFO L85 PathProgramCache]: Analyzing trace with hash 314369798, now seen corresponding path program 109 times [2022-09-16 10:43:21,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:21,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581326103] [2022-09-16 10:43:21,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:21,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:21,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:21,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581326103] [2022-09-16 10:43:21,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581326103] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:21,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:21,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:21,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569683] [2022-09-16 10:43:21,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:21,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:21,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:21,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:21,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:21,977 INFO L87 Difference]: Start difference. First operand 19319 states and 54539 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:24,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:24,758 INFO L93 Difference]: Finished difference Result 61284 states and 169356 transitions. [2022-09-16 10:43:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:24,759 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:24,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:24,891 INFO L225 Difference]: With dead ends: 61284 [2022-09-16 10:43:24,891 INFO L226 Difference]: Without dead ends: 61284 [2022-09-16 10:43:24,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:24,892 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 1879 mSDsluCounter, 3225 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 3629 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:24,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1879 Valid, 3629 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:43:24,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61284 states. [2022-09-16 10:43:25,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61284 to 19466. [2022-09-16 10:43:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19466 states, 19422 states have (on average 2.8306559571619814) internal successors, (54977), 19465 states have internal predecessors, (54977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19466 states to 19466 states and 54977 transitions. [2022-09-16 10:43:25,613 INFO L78 Accepts]: Start accepts. Automaton has 19466 states and 54977 transitions. Word has length 70 [2022-09-16 10:43:25,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:25,613 INFO L495 AbstractCegarLoop]: Abstraction has 19466 states and 54977 transitions. [2022-09-16 10:43:25,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:25,613 INFO L276 IsEmpty]: Start isEmpty. Operand 19466 states and 54977 transitions. [2022-09-16 10:43:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:25,616 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:25,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:25,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-09-16 10:43:25,616 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:25,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:25,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1466228504, now seen corresponding path program 110 times [2022-09-16 10:43:25,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:25,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677498204] [2022-09-16 10:43:25,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:25,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:25,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:25,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677498204] [2022-09-16 10:43:25,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677498204] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:25,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:25,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:25,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698650677] [2022-09-16 10:43:25,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:25,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:25,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:25,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:25,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:25,989 INFO L87 Difference]: Start difference. First operand 19466 states and 54977 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:28,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:28,911 INFO L93 Difference]: Finished difference Result 60882 states and 168439 transitions. [2022-09-16 10:43:28,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:28,912 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:28,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:29,051 INFO L225 Difference]: With dead ends: 60882 [2022-09-16 10:43:29,051 INFO L226 Difference]: Without dead ends: 60882 [2022-09-16 10:43:29,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:29,051 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 1964 mSDsluCounter, 2809 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 3210 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:29,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 3210 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:43:29,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60882 states. [2022-09-16 10:43:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60882 to 19417. [2022-09-16 10:43:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19417 states, 19373 states have (on average 2.830279254632736) internal successors, (54831), 19416 states have internal predecessors, (54831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19417 states to 19417 states and 54831 transitions. [2022-09-16 10:43:29,672 INFO L78 Accepts]: Start accepts. Automaton has 19417 states and 54831 transitions. Word has length 70 [2022-09-16 10:43:29,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:29,672 INFO L495 AbstractCegarLoop]: Abstraction has 19417 states and 54831 transitions. [2022-09-16 10:43:29,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:29,672 INFO L276 IsEmpty]: Start isEmpty. Operand 19417 states and 54831 transitions. [2022-09-16 10:43:29,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:29,675 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:29,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:29,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-09-16 10:43:29,676 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:29,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:29,676 INFO L85 PathProgramCache]: Analyzing trace with hash -933624478, now seen corresponding path program 111 times [2022-09-16 10:43:29,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:29,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693940422] [2022-09-16 10:43:29,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:29,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:30,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:30,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693940422] [2022-09-16 10:43:30,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693940422] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:30,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:30,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:30,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089944998] [2022-09-16 10:43:30,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:30,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:30,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:30,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:30,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:30,141 INFO L87 Difference]: Start difference. First operand 19417 states and 54831 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:32,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:32,758 INFO L93 Difference]: Finished difference Result 56356 states and 155725 transitions. [2022-09-16 10:43:32,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:32,758 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:32,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:32,880 INFO L225 Difference]: With dead ends: 56356 [2022-09-16 10:43:32,880 INFO L226 Difference]: Without dead ends: 56356 [2022-09-16 10:43:32,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:32,880 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 1585 mSDsluCounter, 2873 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 3271 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:32,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 3271 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:43:32,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56356 states. [2022-09-16 10:43:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56356 to 19270. [2022-09-16 10:43:33,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19270 states, 19226 states have (on average 2.8291376261312804) internal successors, (54393), 19269 states have internal predecessors, (54393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19270 states to 19270 states and 54393 transitions. [2022-09-16 10:43:33,478 INFO L78 Accepts]: Start accepts. Automaton has 19270 states and 54393 transitions. Word has length 70 [2022-09-16 10:43:33,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:33,478 INFO L495 AbstractCegarLoop]: Abstraction has 19270 states and 54393 transitions. [2022-09-16 10:43:33,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 19270 states and 54393 transitions. [2022-09-16 10:43:33,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:33,482 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:33,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:33,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-09-16 10:43:33,482 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:33,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:33,482 INFO L85 PathProgramCache]: Analyzing trace with hash -403529886, now seen corresponding path program 112 times [2022-09-16 10:43:33,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:33,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134252257] [2022-09-16 10:43:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:33,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:33,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:33,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134252257] [2022-09-16 10:43:33,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134252257] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:33,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:33,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:33,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950260934] [2022-09-16 10:43:33,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:33,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:33,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:33,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:33,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:33,783 INFO L87 Difference]: Start difference. First operand 19270 states and 54393 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:36,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:36,517 INFO L93 Difference]: Finished difference Result 61570 states and 170702 transitions. [2022-09-16 10:43:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:36,518 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:36,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:36,776 INFO L225 Difference]: With dead ends: 61570 [2022-09-16 10:43:36,776 INFO L226 Difference]: Without dead ends: 61570 [2022-09-16 10:43:36,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:36,777 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1679 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 3682 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:36,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 3682 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:43:36,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61570 states. [2022-09-16 10:43:37,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61570 to 19466. [2022-09-16 10:43:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19466 states, 19422 states have (on average 2.8306559571619814) internal successors, (54977), 19465 states have internal predecessors, (54977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19466 states to 19466 states and 54977 transitions. [2022-09-16 10:43:37,438 INFO L78 Accepts]: Start accepts. Automaton has 19466 states and 54977 transitions. Word has length 70 [2022-09-16 10:43:37,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:37,438 INFO L495 AbstractCegarLoop]: Abstraction has 19466 states and 54977 transitions. [2022-09-16 10:43:37,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 19466 states and 54977 transitions. [2022-09-16 10:43:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:37,441 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:37,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:37,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-09-16 10:43:37,441 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:37,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:37,441 INFO L85 PathProgramCache]: Analyzing trace with hash 566132034, now seen corresponding path program 113 times [2022-09-16 10:43:37,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:37,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205637958] [2022-09-16 10:43:37,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:37,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:37,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:37,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205637958] [2022-09-16 10:43:37,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205637958] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:37,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:37,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:37,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899173016] [2022-09-16 10:43:37,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:37,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:37,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:37,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:37,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:37,734 INFO L87 Difference]: Start difference. First operand 19466 states and 54977 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:40,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:40,413 INFO L93 Difference]: Finished difference Result 63679 states and 175626 transitions. [2022-09-16 10:43:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:40,414 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:40,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:40,577 INFO L225 Difference]: With dead ends: 63679 [2022-09-16 10:43:40,577 INFO L226 Difference]: Without dead ends: 63679 [2022-09-16 10:43:40,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:40,578 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 2010 mSDsluCounter, 2830 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:40,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 3233 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:43:40,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63679 states. [2022-09-16 10:43:41,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63679 to 19417. [2022-09-16 10:43:41,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19417 states, 19373 states have (on average 2.830279254632736) internal successors, (54831), 19416 states have internal predecessors, (54831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19417 states to 19417 states and 54831 transitions. [2022-09-16 10:43:41,264 INFO L78 Accepts]: Start accepts. Automaton has 19417 states and 54831 transitions. Word has length 70 [2022-09-16 10:43:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:41,264 INFO L495 AbstractCegarLoop]: Abstraction has 19417 states and 54831 transitions. [2022-09-16 10:43:41,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 19417 states and 54831 transitions. [2022-09-16 10:43:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:41,268 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:41,268 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:41,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-09-16 10:43:41,268 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:41,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:41,268 INFO L85 PathProgramCache]: Analyzing trace with hash -2123145856, now seen corresponding path program 114 times [2022-09-16 10:43:41,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:41,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996873467] [2022-09-16 10:43:41,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:41,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:41,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:41,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:41,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996873467] [2022-09-16 10:43:41,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996873467] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:41,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:41,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:41,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868925247] [2022-09-16 10:43:41,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:41,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:41,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:41,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:41,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:41,641 INFO L87 Difference]: Start difference. First operand 19417 states and 54831 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:44,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:44,487 INFO L93 Difference]: Finished difference Result 72752 states and 199656 transitions. [2022-09-16 10:43:44,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:44,488 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:44,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:44,652 INFO L225 Difference]: With dead ends: 72752 [2022-09-16 10:43:44,652 INFO L226 Difference]: Without dead ends: 72752 [2022-09-16 10:43:44,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:44,652 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1909 mSDsluCounter, 3310 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1909 SdHoareTripleChecker+Valid, 3705 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:44,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1909 Valid, 3705 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1225 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:43:44,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72752 states. [2022-09-16 10:43:45,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72752 to 19466. [2022-09-16 10:43:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19466 states, 19422 states have (on average 2.8306559571619814) internal successors, (54977), 19465 states have internal predecessors, (54977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19466 states to 19466 states and 54977 transitions. [2022-09-16 10:43:45,420 INFO L78 Accepts]: Start accepts. Automaton has 19466 states and 54977 transitions. Word has length 70 [2022-09-16 10:43:45,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:45,420 INFO L495 AbstractCegarLoop]: Abstraction has 19466 states and 54977 transitions. [2022-09-16 10:43:45,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:45,420 INFO L276 IsEmpty]: Start isEmpty. Operand 19466 states and 54977 transitions. [2022-09-16 10:43:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:45,423 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:45,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:45,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-09-16 10:43:45,423 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:45,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:45,424 INFO L85 PathProgramCache]: Analyzing trace with hash 391223138, now seen corresponding path program 115 times [2022-09-16 10:43:45,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:45,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142330310] [2022-09-16 10:43:45,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:45,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:45,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:45,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:45,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142330310] [2022-09-16 10:43:45,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142330310] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:45,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:45,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:45,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416978943] [2022-09-16 10:43:45,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:45,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:45,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:45,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:45,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:45,894 INFO L87 Difference]: Start difference. First operand 19466 states and 54977 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:48,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:48,609 INFO L93 Difference]: Finished difference Result 64287 states and 177396 transitions. [2022-09-16 10:43:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:48,610 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:48,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:48,754 INFO L225 Difference]: With dead ends: 64287 [2022-09-16 10:43:48,755 INFO L226 Difference]: Without dead ends: 64287 [2022-09-16 10:43:48,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:48,755 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1632 mSDsluCounter, 3335 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1632 SdHoareTripleChecker+Valid, 3711 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:48,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1632 Valid, 3711 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:43:48,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64287 states. [2022-09-16 10:43:49,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64287 to 19368. [2022-09-16 10:43:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19368 states, 19324 states have (on average 2.8299006416890915) internal successors, (54685), 19367 states have internal predecessors, (54685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19368 states to 19368 states and 54685 transitions. [2022-09-16 10:43:49,462 INFO L78 Accepts]: Start accepts. Automaton has 19368 states and 54685 transitions. Word has length 70 [2022-09-16 10:43:49,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:49,462 INFO L495 AbstractCegarLoop]: Abstraction has 19368 states and 54685 transitions. [2022-09-16 10:43:49,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 19368 states and 54685 transitions. [2022-09-16 10:43:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:49,466 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:49,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:49,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-09-16 10:43:49,466 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:49,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:49,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1191852380, now seen corresponding path program 116 times [2022-09-16 10:43:49,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:49,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31534438] [2022-09-16 10:43:49,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:49,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:49,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:49,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31534438] [2022-09-16 10:43:49,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31534438] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:49,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:49,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:49,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640302874] [2022-09-16 10:43:49,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:49,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:49,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:49,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:49,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:49,773 INFO L87 Difference]: Start difference. First operand 19368 states and 54685 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:52,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:52,593 INFO L93 Difference]: Finished difference Result 69424 states and 189786 transitions. [2022-09-16 10:43:52,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:52,594 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:52,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:52,758 INFO L225 Difference]: With dead ends: 69424 [2022-09-16 10:43:52,758 INFO L226 Difference]: Without dead ends: 69424 [2022-09-16 10:43:52,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:52,759 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1871 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 3707 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:52,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1871 Valid, 3707 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:43:52,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69424 states. [2022-09-16 10:43:53,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69424 to 19515. [2022-09-16 10:43:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 19471 states have (on average 2.8310307636998613) internal successors, (55123), 19514 states have internal predecessors, (55123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 55123 transitions. [2022-09-16 10:43:53,561 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 55123 transitions. Word has length 70 [2022-09-16 10:43:53,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:53,562 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 55123 transitions. [2022-09-16 10:43:53,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 55123 transitions. [2022-09-16 10:43:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:53,565 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:53,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:53,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-09-16 10:43:53,565 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:53,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:53,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1322516614, now seen corresponding path program 117 times [2022-09-16 10:43:53,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:53,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275300134] [2022-09-16 10:43:53,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:53,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:53,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:53,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275300134] [2022-09-16 10:43:53,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275300134] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:53,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:53,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:53,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261740183] [2022-09-16 10:43:53,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:53,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:53,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:53,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:53,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:53,867 INFO L87 Difference]: Start difference. First operand 19515 states and 55123 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:56,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:56,598 INFO L93 Difference]: Finished difference Result 69022 states and 188869 transitions. [2022-09-16 10:43:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:43:56,599 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:43:56,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:56,754 INFO L225 Difference]: With dead ends: 69022 [2022-09-16 10:43:56,754 INFO L226 Difference]: Without dead ends: 69022 [2022-09-16 10:43:56,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:56,754 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 1823 mSDsluCounter, 2906 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 3306 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:56,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 3306 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:43:56,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69022 states. [2022-09-16 10:43:57,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69022 to 19466. [2022-09-16 10:43:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19466 states, 19422 states have (on average 2.8306559571619814) internal successors, (54977), 19465 states have internal predecessors, (54977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19466 states to 19466 states and 54977 transitions. [2022-09-16 10:43:57,461 INFO L78 Accepts]: Start accepts. Automaton has 19466 states and 54977 transitions. Word has length 70 [2022-09-16 10:43:57,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:57,461 INFO L495 AbstractCegarLoop]: Abstraction has 19466 states and 54977 transitions. [2022-09-16 10:43:57,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 19466 states and 54977 transitions. [2022-09-16 10:43:57,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:43:57,464 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:57,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:57,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-09-16 10:43:57,465 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:57,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:57,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1855120640, now seen corresponding path program 118 times [2022-09-16 10:43:57,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:57,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366128939] [2022-09-16 10:43:57,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:57,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:58,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:58,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366128939] [2022-09-16 10:43:58,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366128939] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:58,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:58,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:43:58,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8603959] [2022-09-16 10:43:58,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:58,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:43:58,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:58,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:43:58,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:43:58,026 INFO L87 Difference]: Start difference. First operand 19466 states and 54977 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:00,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:00,761 INFO L93 Difference]: Finished difference Result 60700 states and 166826 transitions. [2022-09-16 10:44:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:00,762 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:00,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:00,896 INFO L225 Difference]: With dead ends: 60700 [2022-09-16 10:44:00,896 INFO L226 Difference]: Without dead ends: 60700 [2022-09-16 10:44:00,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:00,897 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 1579 mSDsluCounter, 2954 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:00,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 3349 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:44:00,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60700 states. [2022-09-16 10:44:01,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60700 to 19221. [2022-09-16 10:44:01,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19221 states, 19177 states have (on average 2.828753193930229) internal successors, (54247), 19220 states have internal predecessors, (54247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19221 states to 19221 states and 54247 transitions. [2022-09-16 10:44:01,534 INFO L78 Accepts]: Start accepts. Automaton has 19221 states and 54247 transitions. Word has length 70 [2022-09-16 10:44:01,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:01,534 INFO L495 AbstractCegarLoop]: Abstraction has 19221 states and 54247 transitions. [2022-09-16 10:44:01,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 19221 states and 54247 transitions. [2022-09-16 10:44:01,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:01,537 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:01,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:01,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-09-16 10:44:01,538 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:01,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:01,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1497880282, now seen corresponding path program 119 times [2022-09-16 10:44:01,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:01,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482165780] [2022-09-16 10:44:01,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:01,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:01,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:01,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482165780] [2022-09-16 10:44:01,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482165780] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:01,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:01,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:01,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818472245] [2022-09-16 10:44:01,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:01,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:01,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:01,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:01,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:01,847 INFO L87 Difference]: Start difference. First operand 19221 states and 54247 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:04,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:04,475 INFO L93 Difference]: Finished difference Result 57539 states and 160905 transitions. [2022-09-16 10:44:04,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:04,475 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:04,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:04,601 INFO L225 Difference]: With dead ends: 57539 [2022-09-16 10:44:04,601 INFO L226 Difference]: Without dead ends: 57539 [2022-09-16 10:44:04,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:04,602 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1872 mSDsluCounter, 2852 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 3256 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:04,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1872 Valid, 3256 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:44:04,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57539 states. [2022-09-16 10:44:05,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57539 to 19662. [2022-09-16 10:44:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:05,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:44:05,276 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:44:05,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:05,276 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:44:05,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:05,276 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:44:05,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:05,280 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:05,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:05,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-09-16 10:44:05,280 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:05,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:05,280 INFO L85 PathProgramCache]: Analyzing trace with hash -528218362, now seen corresponding path program 120 times [2022-09-16 10:44:05,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:05,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695394813] [2022-09-16 10:44:05,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:05,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:05,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:05,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695394813] [2022-09-16 10:44:05,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695394813] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:05,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:05,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:05,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727536161] [2022-09-16 10:44:05,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:05,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:05,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:05,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:05,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:05,738 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:08,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:08,339 INFO L93 Difference]: Finished difference Result 55335 states and 153372 transitions. [2022-09-16 10:44:08,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:08,339 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:08,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:08,460 INFO L225 Difference]: With dead ends: 55335 [2022-09-16 10:44:08,460 INFO L226 Difference]: Without dead ends: 55335 [2022-09-16 10:44:08,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:08,460 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 1708 mSDsluCounter, 2823 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:08,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 3233 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:44:08,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55335 states. [2022-09-16 10:44:09,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55335 to 19613. [2022-09-16 10:44:09,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19613 states, 19569 states have (on average 2.831774745771373) internal successors, (55415), 19612 states have internal predecessors, (55415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19613 states to 19613 states and 55415 transitions. [2022-09-16 10:44:09,097 INFO L78 Accepts]: Start accepts. Automaton has 19613 states and 55415 transitions. Word has length 70 [2022-09-16 10:44:09,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:09,097 INFO L495 AbstractCegarLoop]: Abstraction has 19613 states and 55415 transitions. [2022-09-16 10:44:09,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:09,097 INFO L276 IsEmpty]: Start isEmpty. Operand 19613 states and 55415 transitions. [2022-09-16 10:44:09,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:09,101 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:09,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:09,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-09-16 10:44:09,101 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:09,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:09,101 INFO L85 PathProgramCache]: Analyzing trace with hash 118312228, now seen corresponding path program 121 times [2022-09-16 10:44:09,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:09,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132768205] [2022-09-16 10:44:09,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:09,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:09,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:09,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132768205] [2022-09-16 10:44:09,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132768205] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:09,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:09,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:09,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845441928] [2022-09-16 10:44:09,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:09,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:09,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:09,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:09,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:09,420 INFO L87 Difference]: Start difference. First operand 19613 states and 55415 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:12,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:12,044 INFO L93 Difference]: Finished difference Result 47054 states and 131478 transitions. [2022-09-16 10:44:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:12,045 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:12,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:12,140 INFO L225 Difference]: With dead ends: 47054 [2022-09-16 10:44:12,141 INFO L226 Difference]: Without dead ends: 47054 [2022-09-16 10:44:12,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:12,141 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 1906 mSDsluCounter, 3201 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 3580 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:12,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1906 Valid, 3580 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:44:12,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47054 states. [2022-09-16 10:44:12,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47054 to 19515. [2022-09-16 10:44:12,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 19471 states have (on average 2.8310307636998613) internal successors, (55123), 19514 states have internal predecessors, (55123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 55123 transitions. [2022-09-16 10:44:12,762 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 55123 transitions. Word has length 70 [2022-09-16 10:44:12,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:12,762 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 55123 transitions. [2022-09-16 10:44:12,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 55123 transitions. [2022-09-16 10:44:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:12,766 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:12,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:12,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-09-16 10:44:12,766 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:12,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:12,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1660678394, now seen corresponding path program 122 times [2022-09-16 10:44:12,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:12,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868801251] [2022-09-16 10:44:12,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:12,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:13,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:13,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868801251] [2022-09-16 10:44:13,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868801251] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:13,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:13,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:13,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252487113] [2022-09-16 10:44:13,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:13,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:13,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:13,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:13,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:13,053 INFO L87 Difference]: Start difference. First operand 19515 states and 55123 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:15,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:15,737 INFO L93 Difference]: Finished difference Result 58049 states and 160643 transitions. [2022-09-16 10:44:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:15,738 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:15,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:15,864 INFO L225 Difference]: With dead ends: 58049 [2022-09-16 10:44:15,864 INFO L226 Difference]: Without dead ends: 58049 [2022-09-16 10:44:15,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:15,864 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 1663 mSDsluCounter, 2888 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1663 SdHoareTripleChecker+Valid, 3287 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:15,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1663 Valid, 3287 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:44:15,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58049 states. [2022-09-16 10:44:16,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58049 to 19613. [2022-09-16 10:44:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19613 states, 19569 states have (on average 2.831774745771373) internal successors, (55415), 19612 states have internal predecessors, (55415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19613 states to 19613 states and 55415 transitions. [2022-09-16 10:44:16,556 INFO L78 Accepts]: Start accepts. Automaton has 19613 states and 55415 transitions. Word has length 70 [2022-09-16 10:44:16,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:16,556 INFO L495 AbstractCegarLoop]: Abstraction has 19613 states and 55415 transitions. [2022-09-16 10:44:16,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 19613 states and 55415 transitions. [2022-09-16 10:44:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:16,559 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:16,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:16,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-09-16 10:44:16,559 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:16,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:16,560 INFO L85 PathProgramCache]: Analyzing trace with hash -691016474, now seen corresponding path program 123 times [2022-09-16 10:44:16,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:16,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159865237] [2022-09-16 10:44:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:16,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:16,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:16,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159865237] [2022-09-16 10:44:16,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159865237] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:16,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:16,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:16,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158839857] [2022-09-16 10:44:16,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:16,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:16,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:16,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:16,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:16,852 INFO L87 Difference]: Start difference. First operand 19613 states and 55415 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:19,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:19,541 INFO L93 Difference]: Finished difference Result 60158 states and 165567 transitions. [2022-09-16 10:44:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:19,541 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:19,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:19,669 INFO L225 Difference]: With dead ends: 60158 [2022-09-16 10:44:19,670 INFO L226 Difference]: Without dead ends: 60158 [2022-09-16 10:44:19,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:19,670 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 1862 mSDsluCounter, 2831 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1862 SdHoareTripleChecker+Valid, 3239 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:19,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1862 Valid, 3239 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:44:19,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60158 states. [2022-09-16 10:44:20,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60158 to 19564. [2022-09-16 10:44:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19564 states, 19520 states have (on average 2.83140368852459) internal successors, (55269), 19563 states have internal predecessors, (55269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19564 states to 19564 states and 55269 transitions. [2022-09-16 10:44:20,348 INFO L78 Accepts]: Start accepts. Automaton has 19564 states and 55269 transitions. Word has length 70 [2022-09-16 10:44:20,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:20,348 INFO L495 AbstractCegarLoop]: Abstraction has 19564 states and 55269 transitions. [2022-09-16 10:44:20,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 19564 states and 55269 transitions. [2022-09-16 10:44:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:20,352 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:20,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:20,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-09-16 10:44:20,352 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:20,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:20,352 INFO L85 PathProgramCache]: Analyzing trace with hash 914672932, now seen corresponding path program 124 times [2022-09-16 10:44:20,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:20,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244528493] [2022-09-16 10:44:20,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:20,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:20,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:20,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244528493] [2022-09-16 10:44:20,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244528493] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:20,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:20,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:20,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202488275] [2022-09-16 10:44:20,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:20,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:20,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:20,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:20,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:20,654 INFO L87 Difference]: Start difference. First operand 19564 states and 55269 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:23,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:23,376 INFO L93 Difference]: Finished difference Result 58441 states and 160981 transitions. [2022-09-16 10:44:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:23,376 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:23,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:23,506 INFO L225 Difference]: With dead ends: 58441 [2022-09-16 10:44:23,506 INFO L226 Difference]: Without dead ends: 58441 [2022-09-16 10:44:23,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:23,507 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 1867 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1867 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:23,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1867 Valid, 3186 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:44:23,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58441 states. [2022-09-16 10:44:24,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58441 to 19613. [2022-09-16 10:44:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19613 states, 19569 states have (on average 2.831774745771373) internal successors, (55415), 19612 states have internal predecessors, (55415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19613 states to 19613 states and 55415 transitions. [2022-09-16 10:44:24,180 INFO L78 Accepts]: Start accepts. Automaton has 19613 states and 55415 transitions. Word has length 70 [2022-09-16 10:44:24,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:24,180 INFO L495 AbstractCegarLoop]: Abstraction has 19613 states and 55415 transitions. [2022-09-16 10:44:24,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 19613 states and 55415 transitions. [2022-09-16 10:44:24,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:24,184 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:24,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:24,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-09-16 10:44:24,184 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:24,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:24,184 INFO L85 PathProgramCache]: Analyzing trace with hash -865925370, now seen corresponding path program 125 times [2022-09-16 10:44:24,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:24,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76835112] [2022-09-16 10:44:24,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:24,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:24,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:24,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76835112] [2022-09-16 10:44:24,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76835112] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:24,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:24,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:24,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693663908] [2022-09-16 10:44:24,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:24,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:24,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:24,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:24,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:24,502 INFO L87 Difference]: Start difference. First operand 19613 states and 55415 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:27,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:27,141 INFO L93 Difference]: Finished difference Result 49976 states and 138721 transitions. [2022-09-16 10:44:27,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:27,142 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:27,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:27,252 INFO L225 Difference]: With dead ends: 49976 [2022-09-16 10:44:27,252 INFO L226 Difference]: Without dead ends: 49976 [2022-09-16 10:44:27,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:27,253 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 1731 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 3206 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:27,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 3206 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:44:27,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49976 states. [2022-09-16 10:44:27,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49976 to 19417. [2022-09-16 10:44:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19417 states, 19373 states have (on average 2.830279254632736) internal successors, (54831), 19416 states have internal predecessors, (54831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19417 states to 19417 states and 54831 transitions. [2022-09-16 10:44:27,959 INFO L78 Accepts]: Start accepts. Automaton has 19417 states and 54831 transitions. Word has length 70 [2022-09-16 10:44:27,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:27,959 INFO L495 AbstractCegarLoop]: Abstraction has 19417 states and 54831 transitions. [2022-09-16 10:44:27,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 19417 states and 54831 transitions. [2022-09-16 10:44:27,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:27,962 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:27,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:27,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-09-16 10:44:27,962 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:27,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:27,963 INFO L85 PathProgramCache]: Analyzing trace with hash -486418492, now seen corresponding path program 126 times [2022-09-16 10:44:27,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:27,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698152449] [2022-09-16 10:44:27,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:27,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:28,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:28,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698152449] [2022-09-16 10:44:28,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698152449] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:28,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:28,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:28,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162400779] [2022-09-16 10:44:28,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:28,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:28,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:28,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:28,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:28,263 INFO L87 Difference]: Start difference. First operand 19417 states and 54831 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:30,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:30,927 INFO L93 Difference]: Finished difference Result 54299 states and 149516 transitions. [2022-09-16 10:44:30,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:30,928 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:30,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:31,053 INFO L225 Difference]: With dead ends: 54299 [2022-09-16 10:44:31,053 INFO L226 Difference]: Without dead ends: 54299 [2022-09-16 10:44:31,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:31,053 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 1635 mSDsluCounter, 2916 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 3305 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:31,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 3305 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:44:31,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54299 states. [2022-09-16 10:44:31,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54299 to 19613. [2022-09-16 10:44:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19613 states, 19569 states have (on average 2.831774745771373) internal successors, (55415), 19612 states have internal predecessors, (55415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19613 states to 19613 states and 55415 transitions. [2022-09-16 10:44:31,602 INFO L78 Accepts]: Start accepts. Automaton has 19613 states and 55415 transitions. Word has length 70 [2022-09-16 10:44:31,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:31,602 INFO L495 AbstractCegarLoop]: Abstraction has 19613 states and 55415 transitions. [2022-09-16 10:44:31,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 19613 states and 55415 transitions. [2022-09-16 10:44:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:31,606 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:31,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:31,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-09-16 10:44:31,606 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:31,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:31,607 INFO L85 PathProgramCache]: Analyzing trace with hash 483243428, now seen corresponding path program 127 times [2022-09-16 10:44:31,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:31,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826990578] [2022-09-16 10:44:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:31,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:32,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:32,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826990578] [2022-09-16 10:44:32,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826990578] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:32,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:32,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:32,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740014513] [2022-09-16 10:44:32,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:32,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:32,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:32,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:32,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:32,096 INFO L87 Difference]: Start difference. First operand 19613 states and 55415 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:34,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:34,794 INFO L93 Difference]: Finished difference Result 56408 states and 154440 transitions. [2022-09-16 10:44:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:34,794 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:34,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:34,932 INFO L225 Difference]: With dead ends: 56408 [2022-09-16 10:44:34,933 INFO L226 Difference]: Without dead ends: 56408 [2022-09-16 10:44:34,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:34,933 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 1671 mSDsluCounter, 2890 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1671 SdHoareTripleChecker+Valid, 3288 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:34,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1671 Valid, 3288 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:44:35,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56408 states. [2022-09-16 10:44:35,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56408 to 19564. [2022-09-16 10:44:35,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19564 states, 19520 states have (on average 2.83140368852459) internal successors, (55269), 19563 states have internal predecessors, (55269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:35,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19564 states to 19564 states and 55269 transitions. [2022-09-16 10:44:35,469 INFO L78 Accepts]: Start accepts. Automaton has 19564 states and 55269 transitions. Word has length 70 [2022-09-16 10:44:35,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:35,469 INFO L495 AbstractCegarLoop]: Abstraction has 19564 states and 55269 transitions. [2022-09-16 10:44:35,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:35,469 INFO L276 IsEmpty]: Start isEmpty. Operand 19564 states and 55269 transitions. [2022-09-16 10:44:35,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:35,473 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:35,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:35,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-09-16 10:44:35,473 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:35,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:35,473 INFO L85 PathProgramCache]: Analyzing trace with hash 2088932834, now seen corresponding path program 128 times [2022-09-16 10:44:35,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:35,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153678385] [2022-09-16 10:44:35,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:35,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:35,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:35,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:35,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153678385] [2022-09-16 10:44:35,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153678385] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:35,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:35,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:35,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323625340] [2022-09-16 10:44:35,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:35,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:35,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:35,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:35,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:35,775 INFO L87 Difference]: Start difference. First operand 19564 states and 55269 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:38,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:38,567 INFO L93 Difference]: Finished difference Result 65481 states and 178470 transitions. [2022-09-16 10:44:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:38,568 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:38,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:38,887 INFO L225 Difference]: With dead ends: 65481 [2022-09-16 10:44:38,888 INFO L226 Difference]: Without dead ends: 65481 [2022-09-16 10:44:38,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:38,888 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 2049 mSDsluCounter, 2829 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 3231 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:38,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 3231 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:44:38,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65481 states. [2022-09-16 10:44:39,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65481 to 19613. [2022-09-16 10:44:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19613 states, 19569 states have (on average 2.831774745771373) internal successors, (55415), 19612 states have internal predecessors, (55415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:39,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19613 states to 19613 states and 55415 transitions. [2022-09-16 10:44:39,419 INFO L78 Accepts]: Start accepts. Automaton has 19613 states and 55415 transitions. Word has length 70 [2022-09-16 10:44:39,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:39,419 INFO L495 AbstractCegarLoop]: Abstraction has 19613 states and 55415 transitions. [2022-09-16 10:44:39,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 19613 states and 55415 transitions. [2022-09-16 10:44:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:39,423 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:39,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:39,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-09-16 10:44:39,423 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:39,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:39,423 INFO L85 PathProgramCache]: Analyzing trace with hash 308334532, now seen corresponding path program 129 times [2022-09-16 10:44:39,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:39,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210517921] [2022-09-16 10:44:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:39,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:39,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:39,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210517921] [2022-09-16 10:44:39,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210517921] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:39,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:39,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:39,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872206691] [2022-09-16 10:44:39,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:39,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:39,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:39,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:39,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:39,885 INFO L87 Difference]: Start difference. First operand 19613 states and 55415 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:42,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:42,513 INFO L93 Difference]: Finished difference Result 57016 states and 156210 transitions. [2022-09-16 10:44:42,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:42,514 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:42,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:42,779 INFO L225 Difference]: With dead ends: 57016 [2022-09-16 10:44:42,780 INFO L226 Difference]: Without dead ends: 57016 [2022-09-16 10:44:42,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:42,780 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1603 mSDsluCounter, 3326 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1603 SdHoareTripleChecker+Valid, 3698 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:42,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1603 Valid, 3698 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:44:42,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57016 states. [2022-09-16 10:44:43,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57016 to 19515. [2022-09-16 10:44:43,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 19471 states have (on average 2.8310307636998613) internal successors, (55123), 19514 states have internal predecessors, (55123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:43,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 55123 transitions. [2022-09-16 10:44:43,260 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 55123 transitions. Word has length 70 [2022-09-16 10:44:43,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:43,260 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 55123 transitions. [2022-09-16 10:44:43,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:43,261 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 55123 transitions. [2022-09-16 10:44:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:43,264 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:43,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:43,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-09-16 10:44:43,264 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:43,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:43,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1274740986, now seen corresponding path program 130 times [2022-09-16 10:44:43,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:43,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943837426] [2022-09-16 10:44:43,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:43,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:43,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:43,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943837426] [2022-09-16 10:44:43,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943837426] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:43,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:43,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:43,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570689079] [2022-09-16 10:44:43,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:43,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:43,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:43,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:43,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:43,583 INFO L87 Difference]: Start difference. First operand 19515 states and 55123 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:46,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:46,288 INFO L93 Difference]: Finished difference Result 54642 states and 149708 transitions. [2022-09-16 10:44:46,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:46,289 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:46,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:46,404 INFO L225 Difference]: With dead ends: 54642 [2022-09-16 10:44:46,404 INFO L226 Difference]: Without dead ends: 54642 [2022-09-16 10:44:46,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:46,405 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 1688 mSDsluCounter, 2815 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:46,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 3221 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:44:46,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54642 states. [2022-09-16 10:44:46,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54642 to 19662. [2022-09-16 10:44:46,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:47,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:44:47,038 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:44:47,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:47,038 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:44:47,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:44:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:47,041 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:47,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:47,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-09-16 10:44:47,041 INFO L420 AbstractCegarLoop]: === Iteration 152 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:47,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:47,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1239628008, now seen corresponding path program 131 times [2022-09-16 10:44:47,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:47,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911287538] [2022-09-16 10:44:47,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:47,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:47,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:47,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911287538] [2022-09-16 10:44:47,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911287538] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:47,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:47,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:47,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994278218] [2022-09-16 10:44:47,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:47,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:47,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:47,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:47,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:47,347 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:50,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:50,097 INFO L93 Difference]: Finished difference Result 54240 states and 148791 transitions. [2022-09-16 10:44:50,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:50,097 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:50,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:50,223 INFO L225 Difference]: With dead ends: 54240 [2022-09-16 10:44:50,223 INFO L226 Difference]: Without dead ends: 54240 [2022-09-16 10:44:50,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:50,224 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 1751 mSDsluCounter, 3223 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 3606 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:50,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 3606 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:44:50,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54240 states. [2022-09-16 10:44:50,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54240 to 19613. [2022-09-16 10:44:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19613 states, 19569 states have (on average 2.831774745771373) internal successors, (55415), 19612 states have internal predecessors, (55415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:50,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19613 states to 19613 states and 55415 transitions. [2022-09-16 10:44:50,941 INFO L78 Accepts]: Start accepts. Automaton has 19613 states and 55415 transitions. Word has length 70 [2022-09-16 10:44:50,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:50,941 INFO L495 AbstractCegarLoop]: Abstraction has 19613 states and 55415 transitions. [2022-09-16 10:44:50,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:50,941 INFO L276 IsEmpty]: Start isEmpty. Operand 19613 states and 55415 transitions. [2022-09-16 10:44:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:50,946 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:50,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:50,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-09-16 10:44:50,946 INFO L420 AbstractCegarLoop]: === Iteration 153 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:50,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:50,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1772232034, now seen corresponding path program 132 times [2022-09-16 10:44:50,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:50,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183671381] [2022-09-16 10:44:50,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:50,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:51,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:51,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183671381] [2022-09-16 10:44:51,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183671381] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:51,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:51,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:51,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108233481] [2022-09-16 10:44:51,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:51,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:51,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:51,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:51,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:51,271 INFO L87 Difference]: Start difference. First operand 19613 states and 55415 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:54,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:54,045 INFO L93 Difference]: Finished difference Result 45918 states and 126748 transitions. [2022-09-16 10:44:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:54,045 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:54,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:54,135 INFO L225 Difference]: With dead ends: 45918 [2022-09-16 10:44:54,135 INFO L226 Difference]: Without dead ends: 45918 [2022-09-16 10:44:54,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:44:54,136 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 1515 mSDsluCounter, 3258 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 3635 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:54,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 3635 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:44:54,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45918 states. [2022-09-16 10:44:54,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45918 to 19123. [2022-09-16 10:44:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19123 states, 19079 states have (on average 2.827978405576812) internal successors, (53955), 19122 states have internal predecessors, (53955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:54,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19123 states to 19123 states and 53955 transitions. [2022-09-16 10:44:54,751 INFO L78 Accepts]: Start accepts. Automaton has 19123 states and 53955 transitions. Word has length 70 [2022-09-16 10:44:54,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:54,752 INFO L495 AbstractCegarLoop]: Abstraction has 19123 states and 53955 transitions. [2022-09-16 10:44:54,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:54,752 INFO L276 IsEmpty]: Start isEmpty. Operand 19123 states and 53955 transitions. [2022-09-16 10:44:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:54,755 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:54,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:54,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-09-16 10:44:54,755 INFO L420 AbstractCegarLoop]: === Iteration 154 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:54,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:54,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1991332704, now seen corresponding path program 133 times [2022-09-16 10:44:54,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:54,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694011256] [2022-09-16 10:44:54,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:54,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:55,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:55,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694011256] [2022-09-16 10:44:55,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694011256] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:55,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:55,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:44:55,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118884329] [2022-09-16 10:44:55,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:55,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:44:55,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:55,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:44:55,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:44:55,047 INFO L87 Difference]: Start difference. First operand 19123 states and 53955 transitions. Second operand has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:57,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:57,819 INFO L93 Difference]: Finished difference Result 45921 states and 126675 transitions. [2022-09-16 10:44:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:44:57,820 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:44:57,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:57,932 INFO L225 Difference]: With dead ends: 45921 [2022-09-16 10:44:57,932 INFO L226 Difference]: Without dead ends: 45921 [2022-09-16 10:44:57,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=523, Invalid=1283, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:44:57,932 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 1834 mSDsluCounter, 3673 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 3986 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:57,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1834 Valid, 3986 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:44:57,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45921 states. [2022-09-16 10:44:58,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45921 to 19368. [2022-09-16 10:44:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19368 states, 19324 states have (on average 2.8299006416890915) internal successors, (54685), 19367 states have internal predecessors, (54685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19368 states to 19368 states and 54685 transitions. [2022-09-16 10:44:58,417 INFO L78 Accepts]: Start accepts. Automaton has 19368 states and 54685 transitions. Word has length 70 [2022-09-16 10:44:58,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:58,417 INFO L495 AbstractCegarLoop]: Abstraction has 19368 states and 54685 transitions. [2022-09-16 10:44:58,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 19368 states and 54685 transitions. [2022-09-16 10:44:58,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:44:58,421 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:58,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:58,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-09-16 10:44:58,421 INFO L420 AbstractCegarLoop]: === Iteration 155 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:58,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:58,421 INFO L85 PathProgramCache]: Analyzing trace with hash 173066216, now seen corresponding path program 134 times [2022-09-16 10:44:58,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:58,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464008237] [2022-09-16 10:44:58,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:58,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:58,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:58,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464008237] [2022-09-16 10:44:58,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464008237] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:58,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:58,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:44:58,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302190703] [2022-09-16 10:44:58,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:58,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:44:58,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:58,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:44:58,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:44:58,896 INFO L87 Difference]: Start difference. First operand 19368 states and 54685 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:01,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:01,466 INFO L93 Difference]: Finished difference Result 55503 states and 152212 transitions. [2022-09-16 10:45:01,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:01,466 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:01,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:01,725 INFO L225 Difference]: With dead ends: 55503 [2022-09-16 10:45:01,725 INFO L226 Difference]: Without dead ends: 55503 [2022-09-16 10:45:01,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:01,725 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 2014 mSDsluCounter, 2811 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 3210 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:01,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 3210 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:45:01,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55503 states. [2022-09-16 10:45:02,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55503 to 19515. [2022-09-16 10:45:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 19471 states have (on average 2.8310307636998613) internal successors, (55123), 19514 states have internal predecessors, (55123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 55123 transitions. [2022-09-16 10:45:02,235 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 55123 transitions. Word has length 70 [2022-09-16 10:45:02,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:02,236 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 55123 transitions. [2022-09-16 10:45:02,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:02,236 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 55123 transitions. [2022-09-16 10:45:02,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:02,239 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:02,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:02,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-09-16 10:45:02,240 INFO L420 AbstractCegarLoop]: === Iteration 156 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:02,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:02,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1607532086, now seen corresponding path program 135 times [2022-09-16 10:45:02,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:02,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382864063] [2022-09-16 10:45:02,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:02,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:02,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:02,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382864063] [2022-09-16 10:45:02,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382864063] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:02,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:02,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:02,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657974316] [2022-09-16 10:45:02,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:02,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:02,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:02,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:02,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:02,550 INFO L87 Difference]: Start difference. First operand 19515 states and 55123 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:05,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:05,342 INFO L93 Difference]: Finished difference Result 55101 states and 151295 transitions. [2022-09-16 10:45:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:05,342 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:05,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:05,464 INFO L225 Difference]: With dead ends: 55101 [2022-09-16 10:45:05,464 INFO L226 Difference]: Without dead ends: 55101 [2022-09-16 10:45:05,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:05,465 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 1785 mSDsluCounter, 3280 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 3655 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:05,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 3655 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:45:05,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55101 states. [2022-09-16 10:45:06,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55101 to 19466. [2022-09-16 10:45:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19466 states, 19422 states have (on average 2.8306559571619814) internal successors, (54977), 19465 states have internal predecessors, (54977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19466 states to 19466 states and 54977 transitions. [2022-09-16 10:45:06,194 INFO L78 Accepts]: Start accepts. Automaton has 19466 states and 54977 transitions. Word has length 70 [2022-09-16 10:45:06,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:06,194 INFO L495 AbstractCegarLoop]: Abstraction has 19466 states and 54977 transitions. [2022-09-16 10:45:06,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:06,195 INFO L276 IsEmpty]: Start isEmpty. Operand 19466 states and 54977 transitions. [2022-09-16 10:45:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:06,198 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:06,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:06,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-09-16 10:45:06,198 INFO L420 AbstractCegarLoop]: === Iteration 157 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:06,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:06,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1074928060, now seen corresponding path program 136 times [2022-09-16 10:45:06,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:06,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953402825] [2022-09-16 10:45:06,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:06,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:06,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:06,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953402825] [2022-09-16 10:45:06,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953402825] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:06,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:06,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:06,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99459896] [2022-09-16 10:45:06,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:06,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:06,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:06,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:06,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:06,533 INFO L87 Difference]: Start difference. First operand 19466 states and 54977 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:09,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:09,296 INFO L93 Difference]: Finished difference Result 50575 states and 138581 transitions. [2022-09-16 10:45:09,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:09,297 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:09,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:09,407 INFO L225 Difference]: With dead ends: 50575 [2022-09-16 10:45:09,408 INFO L226 Difference]: Without dead ends: 50575 [2022-09-16 10:45:09,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:09,408 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 1710 mSDsluCounter, 3272 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:09,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1710 Valid, 3643 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:45:09,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50575 states. [2022-09-16 10:45:10,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50575 to 19319. [2022-09-16 10:45:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19319 states, 19275 states have (on average 2.829520103761349) internal successors, (54539), 19318 states have internal predecessors, (54539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19319 states to 19319 states and 54539 transitions. [2022-09-16 10:45:10,099 INFO L78 Accepts]: Start accepts. Automaton has 19319 states and 54539 transitions. Word has length 70 [2022-09-16 10:45:10,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:10,099 INFO L495 AbstractCegarLoop]: Abstraction has 19319 states and 54539 transitions. [2022-09-16 10:45:10,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 19319 states and 54539 transitions. [2022-09-16 10:45:10,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:10,102 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:10,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:10,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-09-16 10:45:10,103 INFO L420 AbstractCegarLoop]: === Iteration 158 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:10,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:10,103 INFO L85 PathProgramCache]: Analyzing trace with hash -544833468, now seen corresponding path program 137 times [2022-09-16 10:45:10,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:10,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368849947] [2022-09-16 10:45:10,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:10,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:10,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:10,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:10,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368849947] [2022-09-16 10:45:10,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368849947] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:10,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:10,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:10,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576719963] [2022-09-16 10:45:10,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:10,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:10,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:10,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:10,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:10,400 INFO L87 Difference]: Start difference. First operand 19319 states and 54539 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:13,188 INFO L93 Difference]: Finished difference Result 55789 states and 153558 transitions. [2022-09-16 10:45:13,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:13,189 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:13,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:13,320 INFO L225 Difference]: With dead ends: 55789 [2022-09-16 10:45:13,321 INFO L226 Difference]: Without dead ends: 55789 [2022-09-16 10:45:13,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:13,321 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1810 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1810 SdHoareTripleChecker+Valid, 3678 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:13,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1810 Valid, 3678 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:45:13,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55789 states. [2022-09-16 10:45:13,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55789 to 19515. [2022-09-16 10:45:13,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 19471 states have (on average 2.8310307636998613) internal successors, (55123), 19514 states have internal predecessors, (55123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 55123 transitions. [2022-09-16 10:45:14,024 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 55123 transitions. Word has length 70 [2022-09-16 10:45:14,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:14,025 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 55123 transitions. [2022-09-16 10:45:14,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 55123 transitions. [2022-09-16 10:45:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:14,028 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:14,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:14,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-09-16 10:45:14,029 INFO L420 AbstractCegarLoop]: === Iteration 159 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:14,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:14,029 INFO L85 PathProgramCache]: Analyzing trace with hash 424828452, now seen corresponding path program 138 times [2022-09-16 10:45:14,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:14,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768576716] [2022-09-16 10:45:14,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:14,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:14,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:14,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:14,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768576716] [2022-09-16 10:45:14,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768576716] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:14,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:14,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:14,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312491826] [2022-09-16 10:45:14,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:14,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:14,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:14,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:14,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:14,323 INFO L87 Difference]: Start difference. First operand 19515 states and 55123 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:17,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:17,077 INFO L93 Difference]: Finished difference Result 57898 states and 158482 transitions. [2022-09-16 10:45:17,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:17,077 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:17,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:17,218 INFO L225 Difference]: With dead ends: 57898 [2022-09-16 10:45:17,218 INFO L226 Difference]: Without dead ends: 57898 [2022-09-16 10:45:17,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:17,218 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 1821 mSDsluCounter, 3333 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 3719 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:17,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 3719 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:45:17,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57898 states. [2022-09-16 10:45:17,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57898 to 19466. [2022-09-16 10:45:17,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19466 states, 19422 states have (on average 2.8306559571619814) internal successors, (54977), 19465 states have internal predecessors, (54977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19466 states to 19466 states and 54977 transitions. [2022-09-16 10:45:17,907 INFO L78 Accepts]: Start accepts. Automaton has 19466 states and 54977 transitions. Word has length 70 [2022-09-16 10:45:17,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:17,907 INFO L495 AbstractCegarLoop]: Abstraction has 19466 states and 54977 transitions. [2022-09-16 10:45:17,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:17,907 INFO L276 IsEmpty]: Start isEmpty. Operand 19466 states and 54977 transitions. [2022-09-16 10:45:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:17,912 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:17,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:17,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-09-16 10:45:17,912 INFO L420 AbstractCegarLoop]: === Iteration 160 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:17,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:17,913 INFO L85 PathProgramCache]: Analyzing trace with hash 2030517858, now seen corresponding path program 139 times [2022-09-16 10:45:17,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:17,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885219600] [2022-09-16 10:45:17,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:17,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:18,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:18,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885219600] [2022-09-16 10:45:18,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885219600] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:18,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:18,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:18,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346134936] [2022-09-16 10:45:18,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:18,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:18,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:18,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:18,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:18,211 INFO L87 Difference]: Start difference. First operand 19466 states and 54977 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:20,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:20,982 INFO L93 Difference]: Finished difference Result 66971 states and 182512 transitions. [2022-09-16 10:45:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:20,982 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:20,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:21,143 INFO L225 Difference]: With dead ends: 66971 [2022-09-16 10:45:21,143 INFO L226 Difference]: Without dead ends: 66971 [2022-09-16 10:45:21,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:21,143 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 1907 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1907 SdHoareTripleChecker+Valid, 3301 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:21,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1907 Valid, 3301 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:45:21,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66971 states. [2022-09-16 10:45:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66971 to 19515. [2022-09-16 10:45:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 19471 states have (on average 2.8310307636998613) internal successors, (55123), 19514 states have internal predecessors, (55123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:21,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 55123 transitions. [2022-09-16 10:45:21,913 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 55123 transitions. Word has length 70 [2022-09-16 10:45:21,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:21,913 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 55123 transitions. [2022-09-16 10:45:21,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:21,914 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 55123 transitions. [2022-09-16 10:45:21,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:21,917 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:21,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:21,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-09-16 10:45:21,917 INFO L420 AbstractCegarLoop]: === Iteration 161 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:21,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:21,917 INFO L85 PathProgramCache]: Analyzing trace with hash 249919556, now seen corresponding path program 140 times [2022-09-16 10:45:21,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:21,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905357400] [2022-09-16 10:45:21,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:21,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:22,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:22,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905357400] [2022-09-16 10:45:22,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905357400] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:22,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:22,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:22,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72759922] [2022-09-16 10:45:22,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:22,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:22,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:22,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:22,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:22,224 INFO L87 Difference]: Start difference. First operand 19515 states and 55123 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:24,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:24,984 INFO L93 Difference]: Finished difference Result 58506 states and 160252 transitions. [2022-09-16 10:45:24,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:24,984 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:24,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:25,118 INFO L225 Difference]: With dead ends: 58506 [2022-09-16 10:45:25,118 INFO L226 Difference]: Without dead ends: 58506 [2022-09-16 10:45:25,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:25,119 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 1781 mSDsluCounter, 2937 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 3321 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:25,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1781 Valid, 3321 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:45:25,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58506 states. [2022-09-16 10:45:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58506 to 19417. [2022-09-16 10:45:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19417 states, 19373 states have (on average 2.830279254632736) internal successors, (54831), 19416 states have internal predecessors, (54831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19417 states to 19417 states and 54831 transitions. [2022-09-16 10:45:25,834 INFO L78 Accepts]: Start accepts. Automaton has 19417 states and 54831 transitions. Word has length 70 [2022-09-16 10:45:25,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:25,834 INFO L495 AbstractCegarLoop]: Abstraction has 19417 states and 54831 transitions. [2022-09-16 10:45:25,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:25,834 INFO L276 IsEmpty]: Start isEmpty. Operand 19417 states and 54831 transitions. [2022-09-16 10:45:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:25,838 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:25,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:25,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-09-16 10:45:25,838 INFO L420 AbstractCegarLoop]: === Iteration 162 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:25,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:25,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1333155962, now seen corresponding path program 141 times [2022-09-16 10:45:25,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:25,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252241862] [2022-09-16 10:45:25,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:25,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:26,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:26,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:26,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252241862] [2022-09-16 10:45:26,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252241862] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:26,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:26,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:26,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005308285] [2022-09-16 10:45:26,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:26,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:26,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:26,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:26,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:26,160 INFO L87 Difference]: Start difference. First operand 19417 states and 54831 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:28,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:28,992 INFO L93 Difference]: Finished difference Result 63643 states and 172642 transitions. [2022-09-16 10:45:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:28,993 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:28,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:29,147 INFO L225 Difference]: With dead ends: 63643 [2022-09-16 10:45:29,148 INFO L226 Difference]: Without dead ends: 63643 [2022-09-16 10:45:29,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:29,148 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 1688 mSDsluCounter, 3383 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 3769 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:29,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 3769 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:45:29,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63643 states. [2022-09-16 10:45:29,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63643 to 19564. [2022-09-16 10:45:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19564 states, 19520 states have (on average 2.83140368852459) internal successors, (55269), 19563 states have internal predecessors, (55269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19564 states to 19564 states and 55269 transitions. [2022-09-16 10:45:29,881 INFO L78 Accepts]: Start accepts. Automaton has 19564 states and 55269 transitions. Word has length 70 [2022-09-16 10:45:29,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:29,881 INFO L495 AbstractCegarLoop]: Abstraction has 19564 states and 55269 transitions. [2022-09-16 10:45:29,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 19564 states and 55269 transitions. [2022-09-16 10:45:29,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:29,885 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:29,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:29,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-09-16 10:45:29,885 INFO L420 AbstractCegarLoop]: === Iteration 163 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:29,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:29,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1181213032, now seen corresponding path program 142 times [2022-09-16 10:45:29,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:29,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059507133] [2022-09-16 10:45:29,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:29,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:30,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:30,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:30,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059507133] [2022-09-16 10:45:30,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059507133] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:30,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:30,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:30,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037794387] [2022-09-16 10:45:30,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:30,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:30,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:30,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:30,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:30,188 INFO L87 Difference]: Start difference. First operand 19564 states and 55269 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:33,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:33,035 INFO L93 Difference]: Finished difference Result 63241 states and 171725 transitions. [2022-09-16 10:45:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:33,036 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:33,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:33,179 INFO L225 Difference]: With dead ends: 63241 [2022-09-16 10:45:33,180 INFO L226 Difference]: Without dead ends: 63241 [2022-09-16 10:45:33,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:33,180 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 1785 mSDsluCounter, 3322 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 3696 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:33,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 3696 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:45:33,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63241 states. [2022-09-16 10:45:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63241 to 19515. [2022-09-16 10:45:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 19471 states have (on average 2.8310307636998613) internal successors, (55123), 19514 states have internal predecessors, (55123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 55123 transitions. [2022-09-16 10:45:33,944 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 55123 transitions. Word has length 70 [2022-09-16 10:45:33,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:33,945 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 55123 transitions. [2022-09-16 10:45:33,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 55123 transitions. [2022-09-16 10:45:33,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:33,948 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:33,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:33,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-09-16 10:45:33,948 INFO L420 AbstractCegarLoop]: === Iteration 164 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:33,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:33,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1713817058, now seen corresponding path program 143 times [2022-09-16 10:45:33,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:33,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289701448] [2022-09-16 10:45:33,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:33,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:34,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:34,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289701448] [2022-09-16 10:45:34,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289701448] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:34,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:34,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:34,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026570334] [2022-09-16 10:45:34,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:34,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:34,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:34,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:34,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:34,261 INFO L87 Difference]: Start difference. First operand 19515 states and 55123 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:37,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:37,021 INFO L93 Difference]: Finished difference Result 54919 states and 149682 transitions. [2022-09-16 10:45:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:37,022 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:37,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:37,151 INFO L225 Difference]: With dead ends: 54919 [2022-09-16 10:45:37,151 INFO L226 Difference]: Without dead ends: 54919 [2022-09-16 10:45:37,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:37,152 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 1694 mSDsluCounter, 3327 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1694 SdHoareTripleChecker+Valid, 3695 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:37,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1694 Valid, 3695 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:45:37,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54919 states. [2022-09-16 10:45:37,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54919 to 19270. [2022-09-16 10:45:37,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19270 states, 19226 states have (on average 2.8291376261312804) internal successors, (54393), 19269 states have internal predecessors, (54393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19270 states to 19270 states and 54393 transitions. [2022-09-16 10:45:37,899 INFO L78 Accepts]: Start accepts. Automaton has 19270 states and 54393 transitions. Word has length 70 [2022-09-16 10:45:37,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:37,899 INFO L495 AbstractCegarLoop]: Abstraction has 19270 states and 54393 transitions. [2022-09-16 10:45:37,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 19270 states and 54393 transitions. [2022-09-16 10:45:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:37,903 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:37,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:37,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-09-16 10:45:37,903 INFO L420 AbstractCegarLoop]: === Iteration 165 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:37,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:37,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1639183864, now seen corresponding path program 144 times [2022-09-16 10:45:37,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:37,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352998959] [2022-09-16 10:45:37,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:37,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:38,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:38,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352998959] [2022-09-16 10:45:38,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352998959] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:38,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:38,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:38,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210735826] [2022-09-16 10:45:38,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:38,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:38,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:38,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:38,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:38,199 INFO L87 Difference]: Start difference. First operand 19270 states and 54393 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:41,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:41,019 INFO L93 Difference]: Finished difference Result 68682 states and 190037 transitions. [2022-09-16 10:45:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:41,019 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:41,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:41,182 INFO L225 Difference]: With dead ends: 68682 [2022-09-16 10:45:41,182 INFO L226 Difference]: Without dead ends: 68682 [2022-09-16 10:45:41,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:41,183 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 1882 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 3725 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:41,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 3725 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:45:41,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68682 states. [2022-09-16 10:45:41,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68682 to 19711. [2022-09-16 10:45:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19711 states, 19667 states have (on average 2.83251131336757) internal successors, (55707), 19710 states have internal predecessors, (55707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:41,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19711 states to 19711 states and 55707 transitions. [2022-09-16 10:45:41,970 INFO L78 Accepts]: Start accepts. Automaton has 19711 states and 55707 transitions. Word has length 70 [2022-09-16 10:45:41,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:41,971 INFO L495 AbstractCegarLoop]: Abstraction has 19711 states and 55707 transitions. [2022-09-16 10:45:41,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:41,971 INFO L276 IsEmpty]: Start isEmpty. Operand 19711 states and 55707 transitions. [2022-09-16 10:45:41,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:41,974 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:41,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:41,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-09-16 10:45:41,974 INFO L420 AbstractCegarLoop]: === Iteration 166 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:41,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:41,974 INFO L85 PathProgramCache]: Analyzing trace with hash -669521944, now seen corresponding path program 145 times [2022-09-16 10:45:41,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:41,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559449208] [2022-09-16 10:45:41,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:41,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:42,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:42,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559449208] [2022-09-16 10:45:42,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559449208] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:42,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:42,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:42,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129119707] [2022-09-16 10:45:42,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:42,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:42,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:42,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:42,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:42,274 INFO L87 Difference]: Start difference. First operand 19711 states and 55707 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:45,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:45,011 INFO L93 Difference]: Finished difference Result 66478 states and 182504 transitions. [2022-09-16 10:45:45,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:45,012 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:45,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:45,156 INFO L225 Difference]: With dead ends: 66478 [2022-09-16 10:45:45,156 INFO L226 Difference]: Without dead ends: 66478 [2022-09-16 10:45:45,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:45,157 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 1740 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:45,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 3339 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:45:45,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66478 states. [2022-09-16 10:45:45,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66478 to 19662. [2022-09-16 10:45:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:45:45,960 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:45:45,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:45,960 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:45:45,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:45:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:45,964 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:45,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:45,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-09-16 10:45:45,964 INFO L420 AbstractCegarLoop]: === Iteration 167 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:45,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:45,965 INFO L85 PathProgramCache]: Analyzing trace with hash -22991354, now seen corresponding path program 146 times [2022-09-16 10:45:45,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:45,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926593467] [2022-09-16 10:45:45,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:45,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:46,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:46,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926593467] [2022-09-16 10:45:46,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926593467] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:46,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:46,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:46,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116574498] [2022-09-16 10:45:46,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:46,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:46,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:46,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:46,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:46,260 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:48,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:48,981 INFO L93 Difference]: Finished difference Result 58197 states and 160610 transitions. [2022-09-16 10:45:48,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:48,982 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:48,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:49,125 INFO L225 Difference]: With dead ends: 58197 [2022-09-16 10:45:49,125 INFO L226 Difference]: Without dead ends: 58197 [2022-09-16 10:45:49,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:49,125 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 1940 mSDsluCounter, 2960 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:49,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 3343 Invalid, 1120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:45:49,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58197 states. [2022-09-16 10:45:49,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58197 to 19564. [2022-09-16 10:45:49,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19564 states, 19520 states have (on average 2.83140368852459) internal successors, (55269), 19563 states have internal predecessors, (55269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:49,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19564 states to 19564 states and 55269 transitions. [2022-09-16 10:45:49,870 INFO L78 Accepts]: Start accepts. Automaton has 19564 states and 55269 transitions. Word has length 70 [2022-09-16 10:45:49,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:49,870 INFO L495 AbstractCegarLoop]: Abstraction has 19564 states and 55269 transitions. [2022-09-16 10:45:49,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:49,871 INFO L276 IsEmpty]: Start isEmpty. Operand 19564 states and 55269 transitions. [2022-09-16 10:45:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:49,873 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:49,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:49,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-09-16 10:45:49,874 INFO L420 AbstractCegarLoop]: === Iteration 168 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:49,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:49,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1801981976, now seen corresponding path program 147 times [2022-09-16 10:45:49,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:49,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312188918] [2022-09-16 10:45:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:49,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:50,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:50,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312188918] [2022-09-16 10:45:50,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312188918] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:50,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:50,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:50,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58838038] [2022-09-16 10:45:50,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:50,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:50,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:50,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:50,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:50,168 INFO L87 Difference]: Start difference. First operand 19564 states and 55269 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:52,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:52,939 INFO L93 Difference]: Finished difference Result 69192 states and 189775 transitions. [2022-09-16 10:45:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:52,939 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:52,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:53,113 INFO L225 Difference]: With dead ends: 69192 [2022-09-16 10:45:53,113 INFO L226 Difference]: Without dead ends: 69192 [2022-09-16 10:45:53,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:53,113 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 1999 mSDsluCounter, 2973 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 3359 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:53,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1999 Valid, 3359 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:45:53,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69192 states. [2022-09-16 10:45:53,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69192 to 19662. [2022-09-16 10:45:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:53,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:45:53,943 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:45:53,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:53,943 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:45:53,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:53,943 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:45:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:53,946 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:53,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:53,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-09-16 10:45:53,947 INFO L420 AbstractCegarLoop]: === Iteration 169 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:53,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:53,947 INFO L85 PathProgramCache]: Analyzing trace with hash -832320056, now seen corresponding path program 148 times [2022-09-16 10:45:53,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:53,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747325521] [2022-09-16 10:45:53,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:53,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:54,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:54,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747325521] [2022-09-16 10:45:54,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747325521] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:54,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:54,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:54,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756956150] [2022-09-16 10:45:54,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:54,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:54,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:54,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:54,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:54,241 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:57,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:57,155 INFO L93 Difference]: Finished difference Result 71301 states and 194699 transitions. [2022-09-16 10:45:57,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:45:57,156 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:45:57,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:57,323 INFO L225 Difference]: With dead ends: 71301 [2022-09-16 10:45:57,323 INFO L226 Difference]: Without dead ends: 71301 [2022-09-16 10:45:57,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:45:57,324 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 1884 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 3773 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:57,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1884 Valid, 3773 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:45:57,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71301 states. [2022-09-16 10:45:58,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71301 to 19613. [2022-09-16 10:45:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19613 states, 19569 states have (on average 2.831774745771373) internal successors, (55415), 19612 states have internal predecessors, (55415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19613 states to 19613 states and 55415 transitions. [2022-09-16 10:45:58,112 INFO L78 Accepts]: Start accepts. Automaton has 19613 states and 55415 transitions. Word has length 70 [2022-09-16 10:45:58,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:58,113 INFO L495 AbstractCegarLoop]: Abstraction has 19613 states and 55415 transitions. [2022-09-16 10:45:58,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:58,113 INFO L276 IsEmpty]: Start isEmpty. Operand 19613 states and 55415 transitions. [2022-09-16 10:45:58,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:45:58,116 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:58,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:58,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-09-16 10:45:58,116 INFO L420 AbstractCegarLoop]: === Iteration 170 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:58,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:58,117 INFO L85 PathProgramCache]: Analyzing trace with hash 773369350, now seen corresponding path program 149 times [2022-09-16 10:45:58,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:58,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877173688] [2022-09-16 10:45:58,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:58,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:58,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:58,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877173688] [2022-09-16 10:45:58,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877173688] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:58,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:58,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:45:58,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242032826] [2022-09-16 10:45:58,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:58,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:45:58,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:58,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:45:58,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:45:58,416 INFO L87 Difference]: Start difference. First operand 19613 states and 55415 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:01,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:01,355 INFO L93 Difference]: Finished difference Result 69584 states and 190113 transitions. [2022-09-16 10:46:01,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:01,355 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:01,534 INFO L225 Difference]: With dead ends: 69584 [2022-09-16 10:46:01,535 INFO L226 Difference]: Without dead ends: 69584 [2022-09-16 10:46:01,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:01,535 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 1740 mSDsluCounter, 2952 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:01,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 3349 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:01,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69584 states. [2022-09-16 10:46:02,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69584 to 19662. [2022-09-16 10:46:02,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:46:02,286 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:46:02,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:02,286 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:46:02,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:46:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:02,290 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:02,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:02,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-09-16 10:46:02,290 INFO L420 AbstractCegarLoop]: === Iteration 171 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:02,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:02,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1007228952, now seen corresponding path program 150 times [2022-09-16 10:46:02,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:02,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93044179] [2022-09-16 10:46:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:02,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:02,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:02,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93044179] [2022-09-16 10:46:02,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93044179] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:02,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:02,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:02,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541164376] [2022-09-16 10:46:02,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:02,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:02,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:02,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:02,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:02,608 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:05,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:05,293 INFO L93 Difference]: Finished difference Result 61119 states and 167853 transitions. [2022-09-16 10:46:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:05,294 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:05,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:05,446 INFO L225 Difference]: With dead ends: 61119 [2022-09-16 10:46:05,447 INFO L226 Difference]: Without dead ends: 61119 [2022-09-16 10:46:05,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:05,447 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 1763 mSDsluCounter, 2922 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 3307 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:05,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 3307 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:46:05,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61119 states. [2022-09-16 10:46:06,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61119 to 19466. [2022-09-16 10:46:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19466 states, 19422 states have (on average 2.8306559571619814) internal successors, (54977), 19465 states have internal predecessors, (54977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19466 states to 19466 states and 54977 transitions. [2022-09-16 10:46:06,305 INFO L78 Accepts]: Start accepts. Automaton has 19466 states and 54977 transitions. Word has length 70 [2022-09-16 10:46:06,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:06,305 INFO L495 AbstractCegarLoop]: Abstraction has 19466 states and 54977 transitions. [2022-09-16 10:46:06,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:06,306 INFO L276 IsEmpty]: Start isEmpty. Operand 19466 states and 54977 transitions. [2022-09-16 10:46:06,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:06,309 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:06,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:06,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-09-16 10:46:06,309 INFO L420 AbstractCegarLoop]: === Iteration 172 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:06,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:06,309 INFO L85 PathProgramCache]: Analyzing trace with hash -627722074, now seen corresponding path program 151 times [2022-09-16 10:46:06,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:06,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239227544] [2022-09-16 10:46:06,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:06,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:06,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:06,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:06,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239227544] [2022-09-16 10:46:06,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239227544] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:06,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:06,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:06,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000582932] [2022-09-16 10:46:06,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:06,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:06,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:06,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:06,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:06,607 INFO L87 Difference]: Start difference. First operand 19466 states and 54977 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:09,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:09,272 INFO L93 Difference]: Finished difference Result 65442 states and 178648 transitions. [2022-09-16 10:46:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:09,273 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:09,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:09,436 INFO L225 Difference]: With dead ends: 65442 [2022-09-16 10:46:09,436 INFO L226 Difference]: Without dead ends: 65442 [2022-09-16 10:46:09,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:09,437 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 1965 mSDsluCounter, 2995 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 3372 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:09,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 3372 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:46:09,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65442 states. [2022-09-16 10:46:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65442 to 19662. [2022-09-16 10:46:10,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:46:10,319 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:46:10,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:10,319 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:46:10,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:46:10,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:10,322 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:10,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:10,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-09-16 10:46:10,322 INFO L420 AbstractCegarLoop]: === Iteration 173 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:10,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:10,323 INFO L85 PathProgramCache]: Analyzing trace with hash 341939846, now seen corresponding path program 152 times [2022-09-16 10:46:10,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:10,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155994667] [2022-09-16 10:46:10,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:10,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:10,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:10,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155994667] [2022-09-16 10:46:10,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155994667] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:10,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:10,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:10,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984142409] [2022-09-16 10:46:10,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:10,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:10,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:10,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:10,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:10,631 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:13,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:13,405 INFO L93 Difference]: Finished difference Result 67551 states and 183572 transitions. [2022-09-16 10:46:13,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:13,405 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:13,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:13,577 INFO L225 Difference]: With dead ends: 67551 [2022-09-16 10:46:13,577 INFO L226 Difference]: Without dead ends: 67551 [2022-09-16 10:46:13,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:13,577 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 1838 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:13,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 3786 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:46:13,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67551 states. [2022-09-16 10:46:14,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67551 to 19613. [2022-09-16 10:46:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19613 states, 19569 states have (on average 2.831774745771373) internal successors, (55415), 19612 states have internal predecessors, (55415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19613 states to 19613 states and 55415 transitions. [2022-09-16 10:46:14,331 INFO L78 Accepts]: Start accepts. Automaton has 19613 states and 55415 transitions. Word has length 70 [2022-09-16 10:46:14,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:14,331 INFO L495 AbstractCegarLoop]: Abstraction has 19613 states and 55415 transitions. [2022-09-16 10:46:14,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 19613 states and 55415 transitions. [2022-09-16 10:46:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:14,335 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:14,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:14,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-09-16 10:46:14,335 INFO L420 AbstractCegarLoop]: === Iteration 174 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:14,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:14,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1947629252, now seen corresponding path program 153 times [2022-09-16 10:46:14,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:14,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893150209] [2022-09-16 10:46:14,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:14,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:14,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:14,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893150209] [2022-09-16 10:46:14,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893150209] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:14,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:14,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:14,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748156157] [2022-09-16 10:46:14,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:14,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:14,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:14,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:14,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:14,633 INFO L87 Difference]: Start difference. First operand 19613 states and 55415 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:17,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:17,674 INFO L93 Difference]: Finished difference Result 76624 states and 207602 transitions. [2022-09-16 10:46:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:17,674 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:17,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:17,879 INFO L225 Difference]: With dead ends: 76624 [2022-09-16 10:46:17,880 INFO L226 Difference]: Without dead ends: 76624 [2022-09-16 10:46:17,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:17,880 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 1767 mSDsluCounter, 2966 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 3358 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:17,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 3358 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:46:17,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76624 states. [2022-09-16 10:46:18,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76624 to 19662. [2022-09-16 10:46:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:18,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:46:18,786 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:46:18,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:18,786 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:46:18,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:18,787 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:46:18,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:18,792 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:18,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:18,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-09-16 10:46:18,793 INFO L420 AbstractCegarLoop]: === Iteration 175 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:18,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:18,793 INFO L85 PathProgramCache]: Analyzing trace with hash 167030950, now seen corresponding path program 154 times [2022-09-16 10:46:18,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:18,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915714853] [2022-09-16 10:46:18,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:18,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:19,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:19,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915714853] [2022-09-16 10:46:19,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915714853] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:19,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:19,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:19,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983270026] [2022-09-16 10:46:19,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:19,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:19,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:19,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:19,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:19,154 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:22,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:22,102 INFO L93 Difference]: Finished difference Result 68159 states and 185342 transitions. [2022-09-16 10:46:22,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:22,102 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:22,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:22,274 INFO L225 Difference]: With dead ends: 68159 [2022-09-16 10:46:22,274 INFO L226 Difference]: Without dead ends: 68159 [2022-09-16 10:46:22,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:22,274 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 1798 mSDsluCounter, 2967 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 3347 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:22,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 3347 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:46:22,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68159 states. [2022-09-16 10:46:22,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68159 to 19564. [2022-09-16 10:46:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19564 states, 19520 states have (on average 2.83140368852459) internal successors, (55269), 19563 states have internal predecessors, (55269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19564 states to 19564 states and 55269 transitions. [2022-09-16 10:46:23,035 INFO L78 Accepts]: Start accepts. Automaton has 19564 states and 55269 transitions. Word has length 70 [2022-09-16 10:46:23,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:23,035 INFO L495 AbstractCegarLoop]: Abstraction has 19564 states and 55269 transitions. [2022-09-16 10:46:23,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 19564 states and 55269 transitions. [2022-09-16 10:46:23,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:23,039 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:23,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:23,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-09-16 10:46:23,040 INFO L420 AbstractCegarLoop]: === Iteration 176 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:23,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:23,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1416044568, now seen corresponding path program 155 times [2022-09-16 10:46:23,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:23,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195732232] [2022-09-16 10:46:23,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:23,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:23,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:23,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195732232] [2022-09-16 10:46:23,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195732232] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:23,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:23,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:23,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404847752] [2022-09-16 10:46:23,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:23,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:23,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:23,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:23,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:23,456 INFO L87 Difference]: Start difference. First operand 19564 states and 55269 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:26,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:26,417 INFO L93 Difference]: Finished difference Result 65785 states and 178840 transitions. [2022-09-16 10:46:26,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:26,417 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:26,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:26,579 INFO L225 Difference]: With dead ends: 65785 [2022-09-16 10:46:26,579 INFO L226 Difference]: Without dead ends: 65785 [2022-09-16 10:46:26,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:26,580 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 1716 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 3347 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:26,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1716 Valid, 3347 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:46:26,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65785 states. [2022-09-16 10:46:27,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65785 to 19711. [2022-09-16 10:46:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19711 states, 19667 states have (on average 2.83251131336757) internal successors, (55707), 19710 states have internal predecessors, (55707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19711 states to 19711 states and 55707 transitions. [2022-09-16 10:46:27,312 INFO L78 Accepts]: Start accepts. Automaton has 19711 states and 55707 transitions. Word has length 70 [2022-09-16 10:46:27,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:27,312 INFO L495 AbstractCegarLoop]: Abstraction has 19711 states and 55707 transitions. [2022-09-16 10:46:27,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 19711 states and 55707 transitions. [2022-09-16 10:46:27,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:27,316 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:27,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:27,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-09-16 10:46:27,316 INFO L420 AbstractCegarLoop]: === Iteration 177 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:27,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:27,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1098324426, now seen corresponding path program 156 times [2022-09-16 10:46:27,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:27,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122567111] [2022-09-16 10:46:27,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:27,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:27,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:27,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122567111] [2022-09-16 10:46:27,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122567111] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:27,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:27,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:27,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766663135] [2022-09-16 10:46:27,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:27,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:27,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:27,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:27,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:27,622 INFO L87 Difference]: Start difference. First operand 19711 states and 55707 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:30,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:30,776 INFO L93 Difference]: Finished difference Result 65383 states and 177923 transitions. [2022-09-16 10:46:30,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:30,777 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:30,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:30,931 INFO L225 Difference]: With dead ends: 65383 [2022-09-16 10:46:30,931 INFO L226 Difference]: Without dead ends: 65383 [2022-09-16 10:46:30,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:30,932 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 1934 mSDsluCounter, 3335 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 3709 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:30,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1934 Valid, 3709 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:46:31,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65383 states. [2022-09-16 10:46:31,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65383 to 19662. [2022-09-16 10:46:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:31,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:46:31,676 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:46:31,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:31,677 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:46:31,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:46:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:31,680 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:31,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:31,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-09-16 10:46:31,681 INFO L420 AbstractCegarLoop]: === Iteration 178 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:31,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:31,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1630928452, now seen corresponding path program 157 times [2022-09-16 10:46:31,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:31,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588289062] [2022-09-16 10:46:31,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:31,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:31,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:31,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588289062] [2022-09-16 10:46:31,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588289062] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:31,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:31,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:31,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365859187] [2022-09-16 10:46:31,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:31,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:31,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:31,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:31,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:31,986 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:34,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:34,800 INFO L93 Difference]: Finished difference Result 57061 states and 155880 transitions. [2022-09-16 10:46:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:34,800 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:34,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:34,935 INFO L225 Difference]: With dead ends: 57061 [2022-09-16 10:46:34,935 INFO L226 Difference]: Without dead ends: 57061 [2022-09-16 10:46:34,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:34,935 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 1849 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:34,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1849 Valid, 3330 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:46:35,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57061 states. [2022-09-16 10:46:35,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57061 to 19172. [2022-09-16 10:46:35,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19172 states, 19128 states have (on average 2.828366792137181) internal successors, (54101), 19171 states have internal predecessors, (54101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19172 states to 19172 states and 54101 transitions. [2022-09-16 10:46:35,587 INFO L78 Accepts]: Start accepts. Automaton has 19172 states and 54101 transitions. Word has length 70 [2022-09-16 10:46:35,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:35,587 INFO L495 AbstractCegarLoop]: Abstraction has 19172 states and 54101 transitions. [2022-09-16 10:46:35,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 19172 states and 54101 transitions. [2022-09-16 10:46:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:35,590 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:35,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:35,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-09-16 10:46:35,590 INFO L420 AbstractCegarLoop]: === Iteration 179 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:35,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:35,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1360864296, now seen corresponding path program 158 times [2022-09-16 10:46:35,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:35,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519977407] [2022-09-16 10:46:35,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:35,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:35,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:35,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519977407] [2022-09-16 10:46:35,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519977407] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:35,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:35,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:35,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074860579] [2022-09-16 10:46:35,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:35,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:35,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:35,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:35,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:35,906 INFO L87 Difference]: Start difference. First operand 19172 states and 54101 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:38,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:38,863 INFO L93 Difference]: Finished difference Result 63932 states and 176784 transitions. [2022-09-16 10:46:38,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:38,864 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:38,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:39,041 INFO L225 Difference]: With dead ends: 63932 [2022-09-16 10:46:39,042 INFO L226 Difference]: Without dead ends: 63932 [2022-09-16 10:46:39,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:39,042 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1770 mSDsluCounter, 2931 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 3319 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:39,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 3319 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:46:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63932 states. [2022-09-16 10:46:39,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63932 to 19711. [2022-09-16 10:46:39,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19711 states, 19667 states have (on average 2.83251131336757) internal successors, (55707), 19710 states have internal predecessors, (55707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:39,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19711 states to 19711 states and 55707 transitions. [2022-09-16 10:46:39,876 INFO L78 Accepts]: Start accepts. Automaton has 19711 states and 55707 transitions. Word has length 70 [2022-09-16 10:46:39,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:39,876 INFO L495 AbstractCegarLoop]: Abstraction has 19711 states and 55707 transitions. [2022-09-16 10:46:39,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 19711 states and 55707 transitions. [2022-09-16 10:46:39,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:39,880 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:39,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:39,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-09-16 10:46:39,880 INFO L420 AbstractCegarLoop]: === Iteration 180 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:39,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:39,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1964441080, now seen corresponding path program 159 times [2022-09-16 10:46:39,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:39,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617997932] [2022-09-16 10:46:39,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:39,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:40,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:40,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617997932] [2022-09-16 10:46:40,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617997932] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:40,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:40,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:40,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15871253] [2022-09-16 10:46:40,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:40,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:40,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:40,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:40,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:40,185 INFO L87 Difference]: Start difference. First operand 19711 states and 55707 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:43,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:43,140 INFO L93 Difference]: Finished difference Result 61728 states and 169251 transitions. [2022-09-16 10:46:43,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:43,143 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:43,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:43,307 INFO L225 Difference]: With dead ends: 61728 [2022-09-16 10:46:43,307 INFO L226 Difference]: Without dead ends: 61728 [2022-09-16 10:46:43,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:43,308 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 1926 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 3272 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:43,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 3272 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:46:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61728 states. [2022-09-16 10:46:44,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61728 to 19662. [2022-09-16 10:46:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:44,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:46:44,152 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:46:44,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:44,152 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:46:44,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:46:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:44,156 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:44,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:44,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-09-16 10:46:44,156 INFO L420 AbstractCegarLoop]: === Iteration 181 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:44,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:44,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1317910490, now seen corresponding path program 160 times [2022-09-16 10:46:44,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:44,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711160848] [2022-09-16 10:46:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:44,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:44,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:44,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711160848] [2022-09-16 10:46:44,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711160848] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:44,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:44,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:44,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800030590] [2022-09-16 10:46:44,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:44,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:44,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:44,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:44,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:44,467 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:47,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:47,340 INFO L93 Difference]: Finished difference Result 54557 states and 149984 transitions. [2022-09-16 10:46:47,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:47,340 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:47,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:47,468 INFO L225 Difference]: With dead ends: 54557 [2022-09-16 10:46:47,468 INFO L226 Difference]: Without dead ends: 54557 [2022-09-16 10:46:47,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:47,468 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 1618 mSDsluCounter, 3371 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 3738 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:47,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 3738 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:46:47,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54557 states. [2022-09-16 10:46:48,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54557 to 19564. [2022-09-16 10:46:48,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19564 states, 19520 states have (on average 2.83140368852459) internal successors, (55269), 19563 states have internal predecessors, (55269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19564 states to 19564 states and 55269 transitions. [2022-09-16 10:46:48,140 INFO L78 Accepts]: Start accepts. Automaton has 19564 states and 55269 transitions. Word has length 70 [2022-09-16 10:46:48,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:48,140 INFO L495 AbstractCegarLoop]: Abstraction has 19564 states and 55269 transitions. [2022-09-16 10:46:48,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 19564 states and 55269 transitions. [2022-09-16 10:46:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:48,144 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:48,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:48,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-09-16 10:46:48,144 INFO L420 AbstractCegarLoop]: === Iteration 182 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:48,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:48,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1198066184, now seen corresponding path program 161 times [2022-09-16 10:46:48,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:48,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385006424] [2022-09-16 10:46:48,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:48,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:48,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:48,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385006424] [2022-09-16 10:46:48,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385006424] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:48,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:48,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:48,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175096902] [2022-09-16 10:46:48,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:48,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:48,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:48,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:48,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:48,470 INFO L87 Difference]: Start difference. First operand 19564 states and 55269 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:51,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:51,207 INFO L93 Difference]: Finished difference Result 64442 states and 176522 transitions. [2022-09-16 10:46:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:51,208 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:51,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:51,372 INFO L225 Difference]: With dead ends: 64442 [2022-09-16 10:46:51,372 INFO L226 Difference]: Without dead ends: 64442 [2022-09-16 10:46:51,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:51,372 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 1718 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 3370 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:51,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 3370 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:51,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64442 states. [2022-09-16 10:46:52,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64442 to 19662. [2022-09-16 10:46:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:46:52,170 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:46:52,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:52,170 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:46:52,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:46:52,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:52,174 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:52,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:52,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-09-16 10:46:52,174 INFO L420 AbstractCegarLoop]: === Iteration 183 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:52,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:52,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2127239192, now seen corresponding path program 162 times [2022-09-16 10:46:52,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:52,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495904648] [2022-09-16 10:46:52,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:52,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:52,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:52,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495904648] [2022-09-16 10:46:52,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495904648] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:52,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:52,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:52,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275175287] [2022-09-16 10:46:52,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:52,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:52,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:52,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:52,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:52,668 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:55,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:55,463 INFO L93 Difference]: Finished difference Result 66551 states and 181446 transitions. [2022-09-16 10:46:55,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:55,464 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:55,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:55,623 INFO L225 Difference]: With dead ends: 66551 [2022-09-16 10:46:55,623 INFO L226 Difference]: Without dead ends: 66551 [2022-09-16 10:46:55,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:55,623 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 2058 mSDsluCounter, 3298 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 3684 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:55,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 3684 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:46:55,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66551 states. [2022-09-16 10:46:56,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66551 to 19613. [2022-09-16 10:46:56,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19613 states, 19569 states have (on average 2.831774745771373) internal successors, (55415), 19612 states have internal predecessors, (55415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19613 states to 19613 states and 55415 transitions. [2022-09-16 10:46:56,442 INFO L78 Accepts]: Start accepts. Automaton has 19613 states and 55415 transitions. Word has length 70 [2022-09-16 10:46:56,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:56,442 INFO L495 AbstractCegarLoop]: Abstraction has 19613 states and 55415 transitions. [2022-09-16 10:46:56,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:56,442 INFO L276 IsEmpty]: Start isEmpty. Operand 19613 states and 55415 transitions. [2022-09-16 10:46:56,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:46:56,446 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:56,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:56,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-09-16 10:46:56,446 INFO L420 AbstractCegarLoop]: === Iteration 184 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:56,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:56,446 INFO L85 PathProgramCache]: Analyzing trace with hash -521549786, now seen corresponding path program 163 times [2022-09-16 10:46:56,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:56,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285762620] [2022-09-16 10:46:56,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:56,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:56,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285762620] [2022-09-16 10:46:56,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285762620] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:56,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:56,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:46:56,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561836352] [2022-09-16 10:46:56,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:56,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:46:56,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:56,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:46:56,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:46:56,748 INFO L87 Difference]: Start difference. First operand 19613 states and 55415 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:59,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:59,477 INFO L93 Difference]: Finished difference Result 64834 states and 176860 transitions. [2022-09-16 10:46:59,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:46:59,478 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:46:59,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:59,651 INFO L225 Difference]: With dead ends: 64834 [2022-09-16 10:46:59,651 INFO L226 Difference]: Without dead ends: 64834 [2022-09-16 10:46:59,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:46:59,652 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 2079 mSDsluCounter, 2856 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:59,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2079 Valid, 3248 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64834 states. [2022-09-16 10:47:00,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64834 to 19662. [2022-09-16 10:47:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:00,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:47:00,444 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:47:00,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:00,444 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:47:00,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:47:00,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:47:00,448 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:00,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:00,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-09-16 10:47:00,448 INFO L420 AbstractCegarLoop]: === Iteration 185 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:00,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:00,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1992819208, now seen corresponding path program 164 times [2022-09-16 10:47:00,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:00,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350334073] [2022-09-16 10:47:00,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:00,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:00,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:00,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350334073] [2022-09-16 10:47:00,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350334073] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:00,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:00,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:47:00,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104072173] [2022-09-16 10:47:00,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:00,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:47:00,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:00,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:47:00,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:47:00,757 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:03,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:03,675 INFO L93 Difference]: Finished difference Result 56369 states and 154600 transitions. [2022-09-16 10:47:03,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:47:03,675 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:47:03,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:03,808 INFO L225 Difference]: With dead ends: 56369 [2022-09-16 10:47:03,808 INFO L226 Difference]: Without dead ends: 56369 [2022-09-16 10:47:03,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:47:03,808 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 1631 mSDsluCounter, 3348 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 3712 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:03,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1631 Valid, 3712 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:47:03,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56369 states. [2022-09-16 10:47:04,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56369 to 19466. [2022-09-16 10:47:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19466 states, 19422 states have (on average 2.8306559571619814) internal successors, (54977), 19465 states have internal predecessors, (54977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19466 states to 19466 states and 54977 transitions. [2022-09-16 10:47:04,392 INFO L78 Accepts]: Start accepts. Automaton has 19466 states and 54977 transitions. Word has length 70 [2022-09-16 10:47:04,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:04,392 INFO L495 AbstractCegarLoop]: Abstraction has 19466 states and 54977 transitions. [2022-09-16 10:47:04,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 19466 states and 54977 transitions. [2022-09-16 10:47:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:47:04,396 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:04,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:04,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-09-16 10:47:04,396 INFO L420 AbstractCegarLoop]: === Iteration 186 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:04,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:04,396 INFO L85 PathProgramCache]: Analyzing trace with hash 542163110, now seen corresponding path program 165 times [2022-09-16 10:47:04,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:04,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205428806] [2022-09-16 10:47:04,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:04,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:04,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:04,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205428806] [2022-09-16 10:47:04,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205428806] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:04,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:04,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:47:04,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658732500] [2022-09-16 10:47:04,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:04,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:47:04,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:04,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:47:04,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:47:04,851 INFO L87 Difference]: Start difference. First operand 19466 states and 54977 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:07,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:07,501 INFO L93 Difference]: Finished difference Result 54182 states and 148985 transitions. [2022-09-16 10:47:07,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:47:07,501 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:47:07,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:07,632 INFO L225 Difference]: With dead ends: 54182 [2022-09-16 10:47:07,632 INFO L226 Difference]: Without dead ends: 54182 [2022-09-16 10:47:07,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:47:07,633 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 1794 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 3297 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:07,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1794 Valid, 3297 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:47:07,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54182 states. [2022-09-16 10:47:08,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54182 to 19662. [2022-09-16 10:47:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:08,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:47:08,339 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:47:08,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:08,339 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:47:08,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:47:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:47:08,342 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:08,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:08,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-09-16 10:47:08,342 INFO L420 AbstractCegarLoop]: === Iteration 187 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:08,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:08,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1511825030, now seen corresponding path program 166 times [2022-09-16 10:47:08,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:08,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868682502] [2022-09-16 10:47:08,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:08,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:08,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:08,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868682502] [2022-09-16 10:47:08,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868682502] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:08,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:08,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:47:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417232904] [2022-09-16 10:47:08,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:08,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:47:08,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:08,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:47:08,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:47:08,637 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:11,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:11,302 INFO L93 Difference]: Finished difference Result 56291 states and 153909 transitions. [2022-09-16 10:47:11,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:47:11,303 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:47:11,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:11,445 INFO L225 Difference]: With dead ends: 56291 [2022-09-16 10:47:11,445 INFO L226 Difference]: Without dead ends: 56291 [2022-09-16 10:47:11,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:47:11,445 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 1844 mSDsluCounter, 2886 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:11,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1844 Valid, 3280 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:47:11,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56291 states. [2022-09-16 10:47:12,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56291 to 19613. [2022-09-16 10:47:12,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19613 states, 19569 states have (on average 2.831774745771373) internal successors, (55415), 19612 states have internal predecessors, (55415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:12,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19613 states to 19613 states and 55415 transitions. [2022-09-16 10:47:12,148 INFO L78 Accepts]: Start accepts. Automaton has 19613 states and 55415 transitions. Word has length 70 [2022-09-16 10:47:12,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:12,148 INFO L495 AbstractCegarLoop]: Abstraction has 19613 states and 55415 transitions. [2022-09-16 10:47:12,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 19613 states and 55415 transitions. [2022-09-16 10:47:12,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:47:12,152 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:12,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:12,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-09-16 10:47:12,153 INFO L420 AbstractCegarLoop]: === Iteration 188 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:12,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:12,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1177452860, now seen corresponding path program 167 times [2022-09-16 10:47:12,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:12,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470803158] [2022-09-16 10:47:12,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:12,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:12,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:12,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470803158] [2022-09-16 10:47:12,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470803158] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:12,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:12,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:47:12,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763759868] [2022-09-16 10:47:12,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:12,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:47:12,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:12,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:47:12,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:47:12,453 INFO L87 Difference]: Start difference. First operand 19613 states and 55415 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:15,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:15,198 INFO L93 Difference]: Finished difference Result 65364 states and 177939 transitions. [2022-09-16 10:47:15,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:47:15,198 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:47:15,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:15,356 INFO L225 Difference]: With dead ends: 65364 [2022-09-16 10:47:15,356 INFO L226 Difference]: Without dead ends: 65364 [2022-09-16 10:47:15,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:47:15,357 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1910 mSDsluCounter, 2867 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 3261 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:15,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 3261 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:47:15,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65364 states. [2022-09-16 10:47:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65364 to 19662. [2022-09-16 10:47:16,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:47:16,118 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:47:16,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:16,118 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:47:16,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:47:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:47:16,122 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:16,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:16,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-09-16 10:47:16,122 INFO L420 AbstractCegarLoop]: === Iteration 189 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:16,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:16,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1336916134, now seen corresponding path program 168 times [2022-09-16 10:47:16,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:16,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928033917] [2022-09-16 10:47:16,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:16,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:16,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:16,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:16,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928033917] [2022-09-16 10:47:16,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928033917] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:16,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:16,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:47:16,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124940157] [2022-09-16 10:47:16,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:16,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:47:16,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:16,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:47:16,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:47:16,422 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:19,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:19,149 INFO L93 Difference]: Finished difference Result 56899 states and 155679 transitions. [2022-09-16 10:47:19,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:47:19,150 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:47:19,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:19,282 INFO L225 Difference]: With dead ends: 56899 [2022-09-16 10:47:19,282 INFO L226 Difference]: Without dead ends: 56899 [2022-09-16 10:47:19,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:47:19,283 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1627 mSDsluCounter, 2930 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 3312 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:19,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 3312 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:47:19,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56899 states. [2022-09-16 10:47:19,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56899 to 19564. [2022-09-16 10:47:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19564 states, 19520 states have (on average 2.83140368852459) internal successors, (55269), 19563 states have internal predecessors, (55269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:19,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19564 states to 19564 states and 55269 transitions. [2022-09-16 10:47:19,998 INFO L78 Accepts]: Start accepts. Automaton has 19564 states and 55269 transitions. Word has length 70 [2022-09-16 10:47:19,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:19,998 INFO L495 AbstractCegarLoop]: Abstraction has 19564 states and 55269 transitions. [2022-09-16 10:47:19,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 19564 states and 55269 transitions. [2022-09-16 10:47:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:47:20,002 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:20,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:20,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-09-16 10:47:20,002 INFO L420 AbstractCegarLoop]: === Iteration 190 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:20,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:20,002 INFO L85 PathProgramCache]: Analyzing trace with hash -246159384, now seen corresponding path program 169 times [2022-09-16 10:47:20,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:20,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198004183] [2022-09-16 10:47:20,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:20,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:20,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:20,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198004183] [2022-09-16 10:47:20,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198004183] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:20,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:20,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:47:20,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715060328] [2022-09-16 10:47:20,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:20,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:47:20,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:20,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:47:20,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:47:20,303 INFO L87 Difference]: Start difference. First operand 19564 states and 55269 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:22,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:22,993 INFO L93 Difference]: Finished difference Result 54525 states and 149177 transitions. [2022-09-16 10:47:22,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:47:22,993 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:47:22,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:23,120 INFO L225 Difference]: With dead ends: 54525 [2022-09-16 10:47:23,120 INFO L226 Difference]: Without dead ends: 54525 [2022-09-16 10:47:23,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:47:23,120 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 1855 mSDsluCounter, 2854 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 3253 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:23,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1855 Valid, 3253 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:47:23,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54525 states. [2022-09-16 10:47:23,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54525 to 19711. [2022-09-16 10:47:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19711 states, 19667 states have (on average 2.83251131336757) internal successors, (55707), 19710 states have internal predecessors, (55707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19711 states to 19711 states and 55707 transitions. [2022-09-16 10:47:23,799 INFO L78 Accepts]: Start accepts. Automaton has 19711 states and 55707 transitions. Word has length 70 [2022-09-16 10:47:23,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:23,799 INFO L495 AbstractCegarLoop]: Abstraction has 19711 states and 55707 transitions. [2022-09-16 10:47:23,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:23,799 INFO L276 IsEmpty]: Start isEmpty. Operand 19711 states and 55707 transitions. [2022-09-16 10:47:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:47:23,803 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:23,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:23,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-09-16 10:47:23,803 INFO L420 AbstractCegarLoop]: === Iteration 191 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:23,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:23,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2026757686, now seen corresponding path program 170 times [2022-09-16 10:47:23,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:23,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680524491] [2022-09-16 10:47:23,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:23,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:24,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:24,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680524491] [2022-09-16 10:47:24,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680524491] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:24,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:24,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:47:24,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644656075] [2022-09-16 10:47:24,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:24,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:47:24,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:24,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:47:24,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:47:24,176 INFO L87 Difference]: Start difference. First operand 19711 states and 55707 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:26,983 INFO L93 Difference]: Finished difference Result 54123 states and 148260 transitions. [2022-09-16 10:47:26,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:47:26,984 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-09-16 10:47:26,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:27,106 INFO L225 Difference]: With dead ends: 54123 [2022-09-16 10:47:27,107 INFO L226 Difference]: Without dead ends: 54123 [2022-09-16 10:47:27,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=512, Invalid=1210, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:47:27,107 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1616 mSDsluCounter, 3334 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:27,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 3706 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:47:27,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54123 states. [2022-09-16 10:47:27,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54123 to 19662. [2022-09-16 10:47:27,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19618 states have (on average 2.832143949434193) internal successors, (55561), 19661 states have internal predecessors, (55561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:27,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55561 transitions. [2022-09-16 10:47:27,801 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55561 transitions. Word has length 70 [2022-09-16 10:47:27,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:27,802 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55561 transitions. [2022-09-16 10:47:27,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:27,802 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55561 transitions. [2022-09-16 10:47:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:47:27,805 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:27,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:27,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-09-16 10:47:27,805 INFO L420 AbstractCegarLoop]: === Iteration 192 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:27,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:27,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1494153660, now seen corresponding path program 171 times [2022-09-16 10:47:27,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:27,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224274266] [2022-09-16 10:47:27,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:27,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:28,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:28,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:28,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224274266] [2022-09-16 10:47:28,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224274266] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:28,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:28,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:47:28,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576848794] [2022-09-16 10:47:28,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:28,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 10:47:28,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:28,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 10:47:28,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:47:28,175 INFO L87 Difference]: Start difference. First operand 19662 states and 55561 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2022-09-16 10:47:29,203 WARN L249 SmtUtils]: Removed 31 from assertion stack [2022-09-16 10:47:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:47:29,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=643, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:47:29,203 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 340 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:29,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1178 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:47:29,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-09-16 10:47:29,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-09-16 10:47:29,205 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (19662states) and FLOYD_HOARE automaton (currently 15 states, 18 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 67 for 72ms.. [2022-09-16 10:47:29,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2022-09-16 10:47:29,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2022-09-16 10:47:29,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-09-16 10:47:29,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-09-16 10:47:29,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-09-16 10:47:29,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-09-16 10:47:29,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-09-16 10:47:29,211 INFO L444 BasicCegarLoop]: Path program histogram: [171, 5, 5, 4, 3, 2, 1, 1] [2022-09-16 10:47:29,214 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:47:29,214 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:47:29,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:47:29 BasicIcfg [2022-09-16 10:47:29,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:47:29,216 INFO L158 Benchmark]: Toolchain (without parser) took 681475.71ms. Allocated memory was 213.9MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 184.3MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-09-16 10:47:29,216 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 213.9MB. Free memory was 170.2MB in the beginning and 170.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:47:29,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.63ms. Allocated memory was 213.9MB in the beginning and 307.2MB in the end (delta: 93.3MB). Free memory was 184.1MB in the beginning and 233.7MB in the end (delta: -49.6MB). Peak memory consumption was 47.1MB. Max. memory is 8.0GB. [2022-09-16 10:47:29,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.98ms. Allocated memory is still 307.2MB. Free memory was 233.5MB in the beginning and 230.3MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:47:29,216 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 307.2MB. Free memory was 230.3MB in the beginning and 227.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:47:29,216 INFO L158 Benchmark]: RCFGBuilder took 584.23ms. Allocated memory is still 307.2MB. Free memory was 227.5MB in the beginning and 254.8MB in the end (delta: -27.3MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. [2022-09-16 10:47:29,216 INFO L158 Benchmark]: TraceAbstraction took 679964.79ms. Allocated memory was 307.2MB in the beginning and 6.8GB in the end (delta: 6.5GB). Free memory was 254.2MB in the beginning and 4.7GB in the end (delta: -4.4GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-09-16 10:47:29,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 213.9MB. Free memory was 170.2MB in the beginning and 170.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 804.63ms. Allocated memory was 213.9MB in the beginning and 307.2MB in the end (delta: 93.3MB). Free memory was 184.1MB in the beginning and 233.7MB in the end (delta: -49.6MB). Peak memory consumption was 47.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.98ms. Allocated memory is still 307.2MB. Free memory was 233.5MB in the beginning and 230.3MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 307.2MB. Free memory was 230.3MB in the beginning and 227.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 584.23ms. Allocated memory is still 307.2MB. Free memory was 227.5MB in the beginning and 254.8MB in the end (delta: -27.3MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. * TraceAbstraction took 679964.79ms. Allocated memory was 307.2MB in the beginning and 6.8GB in the end (delta: 6.5GB). Free memory was 254.2MB in the beginning and 4.7GB in the end (delta: -4.4GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 1700]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while NwaCegarLoop was constructing difference of abstraction (19662states) and FLOYD_HOARE automaton (currently 15 states, 18 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 67 for 72ms.. - TimeoutResultAtElement [Line: 1713]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while NwaCegarLoop was constructing difference of abstraction (19662states) and FLOYD_HOARE automaton (currently 15 states, 18 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 67 for 72ms.. - TimeoutResultAtElement [Line: 1714]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while NwaCegarLoop was constructing difference of abstraction (19662states) and FLOYD_HOARE automaton (currently 15 states, 18 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 67 for 72ms.. - TimeoutResultAtElement [Line: 1700]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while NwaCegarLoop was constructing difference of abstraction (19662states) and FLOYD_HOARE automaton (currently 15 states, 18 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 67 for 72ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 185 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 679.8s, OverallIterations: 192, TraceHistogramMax: 1, PathProgramHistogramMax: 171, EmptinessCheckTime: 0.8s, AutomataDifference: 500.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 314725 SdHoareTripleChecker+Valid, 123.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 314725 mSDsluCounter, 627263 SdHoareTripleChecker+Invalid, 103.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 556333 mSDsCounter, 2145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 205331 IncrementalHoareTripleChecker+Invalid, 207476 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2145 mSolverCounterUnsat, 101545 mSDtfsCounter, 205331 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8093 GetRequests, 718 SyntacticMatches, 0 SemanticMatches, 7374 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42645 ImplicationChecksByTransitivity, 336.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19711occurred in iteration=165, InterpolantAutomatonStates: 4956, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 112.0s AutomataMinimizationTime, 191 MinimizatonAttempts, 5680091 StatesRemovedByMinimization, 191 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 60.4s InterpolantComputationTime, 13317 NumberOfCodeBlocks, 13317 NumberOfCodeBlocksAsserted, 192 NumberOfCheckSat, 13125 ConstructedInterpolants, 0 QuantifiedInterpolants, 90623 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 192 InterpolantComputations, 192 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown