/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:14:43,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:14:43,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:14:43,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:14:43,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:14:43,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:14:43,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:14:43,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:14:43,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:14:43,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:14:43,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:14:43,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:14:43,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:14:43,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:14:43,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:14:43,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:14:43,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:14:43,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:14:43,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:14:43,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:14:43,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:14:43,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:14:43,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:14:43,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:14:43,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:14:43,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:14:43,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:14:43,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:14:43,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:14:43,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:14:43,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:14:43,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:14:43,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:14:43,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:14:43,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:14:43,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:14:43,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:14:43,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:14:43,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:14:43,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:14:43,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:14:43,571 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:14:43,628 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:14:43,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:14:43,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:14:43,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:14:43,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:14:43,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:14:43,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:14:43,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:14:43,636 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:14:43,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:14:43,637 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:14:43,638 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:14:43,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:14:43,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:14:43,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:14:43,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:14:43,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:14:43,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:14:43,639 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:14:43,639 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:14:43,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:14:43,640 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:14:43,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:14:43,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:14:43,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:14:43,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:14:43,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:14:43,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:14:43,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:14:43,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:14:43,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:14:43,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:14:43,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:14:43,643 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:14:44,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:14:44,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:14:44,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:14:44,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:14:44,112 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:14:44,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-15 22:14:44,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c445e4ca/1d6a482704544d698d78b0bc4825b9e3/FLAG77e9dae95 [2022-10-15 22:14:44,906 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:14:44,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-15 22:14:44,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c445e4ca/1d6a482704544d698d78b0bc4825b9e3/FLAG77e9dae95 [2022-10-15 22:14:45,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c445e4ca/1d6a482704544d698d78b0bc4825b9e3 [2022-10-15 22:14:45,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:14:45,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:14:45,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:14:45,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:14:45,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:14:45,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:45,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bdf687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45, skipping insertion in model container [2022-10-15 22:14:45,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:45,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:14:45,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:14:45,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[7545,7558] [2022-10-15 22:14:45,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[10452,10465] [2022-10-15 22:14:45,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[11543,11556] [2022-10-15 22:14:45,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[12149,12162] [2022-10-15 22:14:45,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[13568,13581] [2022-10-15 22:14:45,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14174,14187] [2022-10-15 22:14:45,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15145,15158] [2022-10-15 22:14:45,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:14:45,764 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:14:45,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[7545,7558] [2022-10-15 22:14:45,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[10452,10465] [2022-10-15 22:14:45,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[11543,11556] [2022-10-15 22:14:45,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[12149,12162] [2022-10-15 22:14:45,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[13568,13581] [2022-10-15 22:14:45,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14174,14187] [2022-10-15 22:14:45,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15145,15158] [2022-10-15 22:14:45,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:14:45,972 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:14:45,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45 WrapperNode [2022-10-15 22:14:45,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:14:45,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:14:45,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:14:45,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:14:45,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,142 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1168 [2022-10-15 22:14:46,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:14:46,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:14:46,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:14:46,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:14:46,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,195 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:14:46,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:14:46,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:14:46,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:14:46,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (1/1) ... [2022-10-15 22:14:46,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:14:46,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:14:46,256 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) [2022-10-15 22:14:46,270 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 [2022-10-15 22:14:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:14:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:14:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:14:46,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:14:46,611 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:14:46,617 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:14:48,087 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:14:48,101 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:14:48,101 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:14:48,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:14:48 BoogieIcfgContainer [2022-10-15 22:14:48,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:14:48,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:14:48,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:14:48,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:14:48,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:14:45" (1/3) ... [2022-10-15 22:14:48,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72028bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:14:48, skipping insertion in model container [2022-10-15 22:14:48,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:14:45" (2/3) ... [2022-10-15 22:14:48,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72028bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:14:48, skipping insertion in model container [2022-10-15 22:14:48,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:14:48" (3/3) ... [2022-10-15 22:14:48,117 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-15 22:14:48,142 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:14:48,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 148 error locations. [2022-10-15 22:14:48,260 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:14:48,274 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;@1468b374, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:14:48,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 148 error locations. [2022-10-15 22:14:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 489 states, 340 states have (on average 1.8970588235294117) internal successors, (645), 488 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:48,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-15 22:14:48,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:48,299 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] [2022-10-15 22:14:48,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:48,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:48,308 INFO L85 PathProgramCache]: Analyzing trace with hash 728670122, now seen corresponding path program 1 times [2022-10-15 22:14:48,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:48,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335400795] [2022-10-15 22:14:48,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:48,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:48,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:48,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335400795] [2022-10-15 22:14:48,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335400795] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:48,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:48,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:14:48,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683081229] [2022-10-15 22:14:48,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:48,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:14:48,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:48,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:14:48,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:14:48,934 INFO L87 Difference]: Start difference. First operand has 489 states, 340 states have (on average 1.8970588235294117) internal successors, (645), 488 states have internal predecessors, (645), 0 states have call successors, (0), 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 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:49,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:49,632 INFO L93 Difference]: Finished difference Result 641 states and 847 transitions. [2022-10-15 22:14:49,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:14:49,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2022-10-15 22:14:49,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:49,668 INFO L225 Difference]: With dead ends: 641 [2022-10-15 22:14:49,669 INFO L226 Difference]: Without dead ends: 596 [2022-10-15 22:14:49,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:49,680 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 1059 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:49,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 778 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:14:49,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2022-10-15 22:14:49,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 513. [2022-10-15 22:14:49,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 385 states have (on average 1.5454545454545454) internal successors, (595), 512 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 595 transitions. [2022-10-15 22:14:49,823 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 595 transitions. Word has length 27 [2022-10-15 22:14:49,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:49,824 INFO L495 AbstractCegarLoop]: Abstraction has 513 states and 595 transitions. [2022-10-15 22:14:49,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:49,825 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 595 transitions. [2022-10-15 22:14:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-15 22:14:49,828 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:49,828 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] [2022-10-15 22:14:49,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:14:49,829 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:49,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:49,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1113938401, now seen corresponding path program 1 times [2022-10-15 22:14:49,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:49,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967008732] [2022-10-15 22:14:49,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:49,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:50,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:50,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967008732] [2022-10-15 22:14:50,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967008732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:50,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:50,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:14:50,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851429203] [2022-10-15 22:14:50,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:50,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:14:50,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:50,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:14:50,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:14:50,028 INFO L87 Difference]: Start difference. First operand 513 states and 595 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:50,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:50,361 INFO L93 Difference]: Finished difference Result 583 states and 691 transitions. [2022-10-15 22:14:50,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:14:50,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2022-10-15 22:14:50,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:50,375 INFO L225 Difference]: With dead ends: 583 [2022-10-15 22:14:50,375 INFO L226 Difference]: Without dead ends: 555 [2022-10-15 22:14:50,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:50,378 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 864 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:50,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [864 Valid, 404 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:14:50,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-10-15 22:14:50,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 545. [2022-10-15 22:14:50,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 442 states have (on average 1.493212669683258) internal successors, (660), 544 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 660 transitions. [2022-10-15 22:14:50,405 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 660 transitions. Word has length 28 [2022-10-15 22:14:50,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:50,405 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 660 transitions. [2022-10-15 22:14:50,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 660 transitions. [2022-10-15 22:14:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-15 22:14:50,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:50,407 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] [2022-10-15 22:14:50,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:14:50,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr140ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:50,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:50,408 INFO L85 PathProgramCache]: Analyzing trace with hash 172353164, now seen corresponding path program 1 times [2022-10-15 22:14:50,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:50,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341814508] [2022-10-15 22:14:50,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:50,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:50,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:50,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341814508] [2022-10-15 22:14:50,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341814508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:50,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:50,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:14:50,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466325302] [2022-10-15 22:14:50,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:50,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:14:50,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:50,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:14:50,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:50,575 INFO L87 Difference]: Start difference. First operand 545 states and 660 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:51,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:51,124 INFO L93 Difference]: Finished difference Result 1061 states and 1404 transitions. [2022-10-15 22:14:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:14:51,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-10-15 22:14:51,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:51,132 INFO L225 Difference]: With dead ends: 1061 [2022-10-15 22:14:51,132 INFO L226 Difference]: Without dead ends: 856 [2022-10-15 22:14:51,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:14:51,136 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 1251 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:51,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 1094 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:14:51,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2022-10-15 22:14:51,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 698. [2022-10-15 22:14:51,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 613 states have (on average 1.4779771615008157) internal successors, (906), 697 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 906 transitions. [2022-10-15 22:14:51,185 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 906 transitions. Word has length 29 [2022-10-15 22:14:51,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:51,186 INFO L495 AbstractCegarLoop]: Abstraction has 698 states and 906 transitions. [2022-10-15 22:14:51,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 906 transitions. [2022-10-15 22:14:51,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-15 22:14:51,188 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:51,188 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] [2022-10-15 22:14:51,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:14:51,188 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr141ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:51,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:51,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1047981891, now seen corresponding path program 1 times [2022-10-15 22:14:51,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:51,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351285126] [2022-10-15 22:14:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:51,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:51,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:51,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351285126] [2022-10-15 22:14:51,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351285126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:51,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:51,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:14:51,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265627727] [2022-10-15 22:14:51,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:51,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:14:51,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:51,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:14:51,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:51,298 INFO L87 Difference]: Start difference. First operand 698 states and 906 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:51,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:51,723 INFO L93 Difference]: Finished difference Result 839 states and 1095 transitions. [2022-10-15 22:14:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:14:51,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2022-10-15 22:14:51,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:51,729 INFO L225 Difference]: With dead ends: 839 [2022-10-15 22:14:51,729 INFO L226 Difference]: Without dead ends: 812 [2022-10-15 22:14:51,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:14:51,731 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 1330 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:51,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 546 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:14:51,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2022-10-15 22:14:51,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 788. [2022-10-15 22:14:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 725 states have (on average 1.4524137931034482) internal successors, (1053), 787 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1053 transitions. [2022-10-15 22:14:51,785 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1053 transitions. Word has length 30 [2022-10-15 22:14:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:51,786 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1053 transitions. [2022-10-15 22:14:51,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1053 transitions. [2022-10-15 22:14:51,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-15 22:14:51,788 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:51,788 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] [2022-10-15 22:14:51,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:14:51,789 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr146ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:51,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:51,790 INFO L85 PathProgramCache]: Analyzing trace with hash 846763473, now seen corresponding path program 1 times [2022-10-15 22:14:51,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:51,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481318981] [2022-10-15 22:14:51,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:51,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:51,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:51,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481318981] [2022-10-15 22:14:51,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481318981] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:51,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:51,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:14:51,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848430925] [2022-10-15 22:14:51,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:51,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:14:51,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:51,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:14:51,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:14:51,884 INFO L87 Difference]: Start difference. First operand 788 states and 1053 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:51,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:51,975 INFO L93 Difference]: Finished difference Result 788 states and 1053 transitions. [2022-10-15 22:14:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:14:51,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-15 22:14:51,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:51,981 INFO L225 Difference]: With dead ends: 788 [2022-10-15 22:14:51,981 INFO L226 Difference]: Without dead ends: 772 [2022-10-15 22:14:51,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:14:51,983 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 121 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:51,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 649 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:14:51,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2022-10-15 22:14:52,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 772. [2022-10-15 22:14:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 725 states have (on average 1.430344827586207) internal successors, (1037), 771 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:52,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1037 transitions. [2022-10-15 22:14:52,036 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1037 transitions. Word has length 40 [2022-10-15 22:14:52,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:52,036 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 1037 transitions. [2022-10-15 22:14:52,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:52,037 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1037 transitions. [2022-10-15 22:14:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 22:14:52,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:52,039 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] [2022-10-15 22:14:52,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:14:52,039 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:52,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:52,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2113451586, now seen corresponding path program 1 times [2022-10-15 22:14:52,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:52,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962619840] [2022-10-15 22:14:52,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:52,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:52,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:52,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962619840] [2022-10-15 22:14:52,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962619840] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:52,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:52,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:14:52,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797502684] [2022-10-15 22:14:52,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:52,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:14:52,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:52,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:14:52,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:14:52,156 INFO L87 Difference]: Start difference. First operand 772 states and 1037 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:52,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:52,233 INFO L93 Difference]: Finished difference Result 772 states and 1037 transitions. [2022-10-15 22:14:52,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:14:52,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-10-15 22:14:52,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:52,238 INFO L225 Difference]: With dead ends: 772 [2022-10-15 22:14:52,239 INFO L226 Difference]: Without dead ends: 770 [2022-10-15 22:14:52,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:14:52,244 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 371 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:52,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 385 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:14:52,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2022-10-15 22:14:52,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2022-10-15 22:14:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 725 states have (on average 1.4179310344827587) internal successors, (1028), 769 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1028 transitions. [2022-10-15 22:14:52,298 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1028 transitions. Word has length 45 [2022-10-15 22:14:52,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:52,299 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 1028 transitions. [2022-10-15 22:14:52,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1028 transitions. [2022-10-15 22:14:52,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 22:14:52,304 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:52,304 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] [2022-10-15 22:14:52,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:14:52,305 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:52,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:52,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1092489896, now seen corresponding path program 1 times [2022-10-15 22:14:52,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:52,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514527323] [2022-10-15 22:14:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:52,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:52,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:52,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514527323] [2022-10-15 22:14:52,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514527323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:52,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:52,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:14:52,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768783855] [2022-10-15 22:14:52,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:52,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:14:52,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:52,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:14:52,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:14:52,443 INFO L87 Difference]: Start difference. First operand 770 states and 1028 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:52,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:52,521 INFO L93 Difference]: Finished difference Result 770 states and 1028 transitions. [2022-10-15 22:14:52,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:14:52,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-15 22:14:52,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:52,526 INFO L225 Difference]: With dead ends: 770 [2022-10-15 22:14:52,526 INFO L226 Difference]: Without dead ends: 768 [2022-10-15 22:14:52,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:14:52,529 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 368 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:52,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 385 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:14:52,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2022-10-15 22:14:52,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 768. [2022-10-15 22:14:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 725 states have (on average 1.4055172413793104) internal successors, (1019), 767 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1019 transitions. [2022-10-15 22:14:52,588 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1019 transitions. Word has length 46 [2022-10-15 22:14:52,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:52,589 INFO L495 AbstractCegarLoop]: Abstraction has 768 states and 1019 transitions. [2022-10-15 22:14:52,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:52,589 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1019 transitions. [2022-10-15 22:14:52,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:14:52,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:52,592 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] [2022-10-15 22:14:52,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:14:52,593 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:52,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:52,594 INFO L85 PathProgramCache]: Analyzing trace with hash 284971526, now seen corresponding path program 1 times [2022-10-15 22:14:52,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:52,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968507792] [2022-10-15 22:14:52,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:52,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:52,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:52,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968507792] [2022-10-15 22:14:52,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968507792] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:52,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:52,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:14:52,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003023764] [2022-10-15 22:14:52,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:52,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:14:52,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:52,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:14:52,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:14:52,787 INFO L87 Difference]: Start difference. First operand 768 states and 1019 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 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) [2022-10-15 22:14:53,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:53,124 INFO L93 Difference]: Finished difference Result 955 states and 1281 transitions. [2022-10-15 22:14:53,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:14:53,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 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 [2022-10-15 22:14:53,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:53,131 INFO L225 Difference]: With dead ends: 955 [2022-10-15 22:14:53,131 INFO L226 Difference]: Without dead ends: 949 [2022-10-15 22:14:53,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:14:53,132 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 407 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:53,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 693 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:14:53,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2022-10-15 22:14:53,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 822. [2022-10-15 22:14:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 782 states have (on average 1.411764705882353) internal successors, (1104), 821 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1104 transitions. [2022-10-15 22:14:53,212 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1104 transitions. Word has length 56 [2022-10-15 22:14:53,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:53,212 INFO L495 AbstractCegarLoop]: Abstraction has 822 states and 1104 transitions. [2022-10-15 22:14:53,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 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) [2022-10-15 22:14:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1104 transitions. [2022-10-15 22:14:53,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:14:53,214 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:53,214 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] [2022-10-15 22:14:53,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:14:53,214 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:53,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:53,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1110771646, now seen corresponding path program 1 times [2022-10-15 22:14:53,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:53,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900756463] [2022-10-15 22:14:53,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:53,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:53,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:53,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900756463] [2022-10-15 22:14:53,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900756463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:53,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:53,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:14:53,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459535479] [2022-10-15 22:14:53,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:53,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:14:53,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:53,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:14:53,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:14:53,343 INFO L87 Difference]: Start difference. First operand 822 states and 1104 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 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) [2022-10-15 22:14:53,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:53,714 INFO L93 Difference]: Finished difference Result 1126 states and 1540 transitions. [2022-10-15 22:14:53,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:14:53,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 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 [2022-10-15 22:14:53,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:53,721 INFO L225 Difference]: With dead ends: 1126 [2022-10-15 22:14:53,722 INFO L226 Difference]: Without dead ends: 1120 [2022-10-15 22:14:53,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:14:53,725 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 390 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:53,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 618 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:14:53,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2022-10-15 22:14:53,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1104. [2022-10-15 22:14:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1067 states have (on average 1.4320524835988753) internal successors, (1528), 1103 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:53,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1528 transitions. [2022-10-15 22:14:53,821 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1528 transitions. Word has length 56 [2022-10-15 22:14:53,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:53,821 INFO L495 AbstractCegarLoop]: Abstraction has 1104 states and 1528 transitions. [2022-10-15 22:14:53,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 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) [2022-10-15 22:14:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1528 transitions. [2022-10-15 22:14:53,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:14:53,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:53,823 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] [2022-10-15 22:14:53,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:14:53,824 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:53,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:53,835 INFO L85 PathProgramCache]: Analyzing trace with hash 74183270, now seen corresponding path program 1 times [2022-10-15 22:14:53,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:53,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224586281] [2022-10-15 22:14:53,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:53,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:54,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:54,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224586281] [2022-10-15 22:14:54,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224586281] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:54,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:54,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:14:54,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389629439] [2022-10-15 22:14:54,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:54,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:14:54,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:54,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:14:54,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:14:54,018 INFO L87 Difference]: Start difference. First operand 1104 states and 1528 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:54,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:54,386 INFO L93 Difference]: Finished difference Result 1112 states and 1528 transitions. [2022-10-15 22:14:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:14:54,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-15 22:14:54,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:54,393 INFO L225 Difference]: With dead ends: 1112 [2022-10-15 22:14:54,394 INFO L226 Difference]: Without dead ends: 1106 [2022-10-15 22:14:54,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:14:54,396 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 437 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:54,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 429 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:14:54,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2022-10-15 22:14:54,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1098. [2022-10-15 22:14:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1067 states have (on average 1.4123711340206186) internal successors, (1507), 1097 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1507 transitions. [2022-10-15 22:14:54,491 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1507 transitions. Word has length 57 [2022-10-15 22:14:54,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:54,492 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1507 transitions. [2022-10-15 22:14:54,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1507 transitions. [2022-10-15 22:14:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:14:54,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:54,493 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] [2022-10-15 22:14:54,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:14:54,494 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:54,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:54,495 INFO L85 PathProgramCache]: Analyzing trace with hash -950213854, now seen corresponding path program 1 times [2022-10-15 22:14:54,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:54,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428828787] [2022-10-15 22:14:54,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:54,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:54,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:54,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428828787] [2022-10-15 22:14:54,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428828787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:54,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:54,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:14:54,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828643275] [2022-10-15 22:14:54,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:54,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:14:54,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:54,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:14:54,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:14:54,631 INFO L87 Difference]: Start difference. First operand 1098 states and 1507 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:55,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:55,024 INFO L93 Difference]: Finished difference Result 1288 states and 1769 transitions. [2022-10-15 22:14:55,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:14:55,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-15 22:14:55,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:55,032 INFO L225 Difference]: With dead ends: 1288 [2022-10-15 22:14:55,032 INFO L226 Difference]: Without dead ends: 1283 [2022-10-15 22:14:55,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:14:55,036 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 231 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:55,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 814 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:14:55,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2022-10-15 22:14:55,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1096. [2022-10-15 22:14:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 1067 states have (on average 1.402061855670103) internal successors, (1496), 1095 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1496 transitions. [2022-10-15 22:14:55,126 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1496 transitions. Word has length 57 [2022-10-15 22:14:55,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:55,126 INFO L495 AbstractCegarLoop]: Abstraction has 1096 states and 1496 transitions. [2022-10-15 22:14:55,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1496 transitions. [2022-10-15 22:14:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:14:55,128 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:55,128 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] [2022-10-15 22:14:55,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:14:55,130 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:55,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:55,130 INFO L85 PathProgramCache]: Analyzing trace with hash 704247480, now seen corresponding path program 1 times [2022-10-15 22:14:55,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:55,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929183772] [2022-10-15 22:14:55,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:55,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:55,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:55,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929183772] [2022-10-15 22:14:55,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929183772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:55,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:55,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:14:55,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27856874] [2022-10-15 22:14:55,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:55,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:14:55,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:55,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:14:55,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:55,278 INFO L87 Difference]: Start difference. First operand 1096 states and 1496 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:55,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:55,689 INFO L93 Difference]: Finished difference Result 1974 states and 2762 transitions. [2022-10-15 22:14:55,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:14:55,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-15 22:14:55,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:55,696 INFO L225 Difference]: With dead ends: 1974 [2022-10-15 22:14:55,696 INFO L226 Difference]: Without dead ends: 1154 [2022-10-15 22:14:55,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:14:55,701 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 729 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:55,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 858 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:14:55,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2022-10-15 22:14:55,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1085. [2022-10-15 22:14:55,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1058 states have (on average 1.3998109640831757) internal successors, (1481), 1084 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:55,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1481 transitions. [2022-10-15 22:14:55,811 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1481 transitions. Word has length 58 [2022-10-15 22:14:55,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:55,812 INFO L495 AbstractCegarLoop]: Abstraction has 1085 states and 1481 transitions. [2022-10-15 22:14:55,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:55,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1481 transitions. [2022-10-15 22:14:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:14:55,813 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:55,814 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] [2022-10-15 22:14:55,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:14:55,814 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:55,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:55,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1020254136, now seen corresponding path program 1 times [2022-10-15 22:14:55,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:55,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246055890] [2022-10-15 22:14:55,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:55,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:55,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:55,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246055890] [2022-10-15 22:14:55,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246055890] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:55,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:55,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:14:55,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562915637] [2022-10-15 22:14:55,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:55,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:14:55,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:55,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:14:55,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:55,952 INFO L87 Difference]: Start difference. First operand 1085 states and 1481 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:56,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:56,477 INFO L93 Difference]: Finished difference Result 2023 states and 2835 transitions. [2022-10-15 22:14:56,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:14:56,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-15 22:14:56,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:56,485 INFO L225 Difference]: With dead ends: 2023 [2022-10-15 22:14:56,485 INFO L226 Difference]: Without dead ends: 1326 [2022-10-15 22:14:56,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:14:56,488 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 735 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:56,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 933 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:14:56,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2022-10-15 22:14:56,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1311. [2022-10-15 22:14:56,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1286 states have (on average 1.4027993779160186) internal successors, (1804), 1310 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1804 transitions. [2022-10-15 22:14:56,632 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1804 transitions. Word has length 58 [2022-10-15 22:14:56,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:56,632 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1804 transitions. [2022-10-15 22:14:56,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1804 transitions. [2022-10-15 22:14:56,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:14:56,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:56,634 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] [2022-10-15 22:14:56,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:14:56,635 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:56,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:56,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1995285312, now seen corresponding path program 1 times [2022-10-15 22:14:56,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:56,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122091297] [2022-10-15 22:14:56,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:56,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:56,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:56,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122091297] [2022-10-15 22:14:56,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122091297] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:56,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:56,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:14:56,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6882200] [2022-10-15 22:14:56,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:56,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:14:56,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:56,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:14:56,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:56,762 INFO L87 Difference]: Start difference. First operand 1311 states and 1804 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:57,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:57,220 INFO L93 Difference]: Finished difference Result 2018 states and 2816 transitions. [2022-10-15 22:14:57,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:14:57,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-15 22:14:57,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:57,231 INFO L225 Difference]: With dead ends: 2018 [2022-10-15 22:14:57,232 INFO L226 Difference]: Without dead ends: 1666 [2022-10-15 22:14:57,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:14:57,237 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 700 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:57,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 738 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:14:57,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2022-10-15 22:14:57,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1480. [2022-10-15 22:14:57,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1480 states, 1457 states have (on average 1.4049416609471517) internal successors, (2047), 1479 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2047 transitions. [2022-10-15 22:14:57,390 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2047 transitions. Word has length 58 [2022-10-15 22:14:57,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:57,391 INFO L495 AbstractCegarLoop]: Abstraction has 1480 states and 2047 transitions. [2022-10-15 22:14:57,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:57,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2047 transitions. [2022-10-15 22:14:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:14:57,398 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:57,399 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] [2022-10-15 22:14:57,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:14:57,400 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:57,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:57,401 INFO L85 PathProgramCache]: Analyzing trace with hash 764114470, now seen corresponding path program 1 times [2022-10-15 22:14:57,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:57,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038455166] [2022-10-15 22:14:57,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:57,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:57,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:57,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038455166] [2022-10-15 22:14:57,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038455166] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:57,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:57,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:14:57,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580345483] [2022-10-15 22:14:57,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:57,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:14:57,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:57,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:14:57,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:57,587 INFO L87 Difference]: Start difference. First operand 1480 states and 2047 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:58,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:58,004 INFO L93 Difference]: Finished difference Result 1669 states and 2300 transitions. [2022-10-15 22:14:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:14:58,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-15 22:14:58,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:58,014 INFO L225 Difference]: With dead ends: 1669 [2022-10-15 22:14:58,014 INFO L226 Difference]: Without dead ends: 1662 [2022-10-15 22:14:58,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:58,016 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 473 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:58,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 868 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:14:58,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2022-10-15 22:14:58,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1647. [2022-10-15 22:14:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1647 states, 1625 states have (on average 1.4092307692307693) internal successors, (2290), 1646 states have internal predecessors, (2290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:58,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2290 transitions. [2022-10-15 22:14:58,208 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 2290 transitions. Word has length 59 [2022-10-15 22:14:58,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:58,208 INFO L495 AbstractCegarLoop]: Abstraction has 1647 states and 2290 transitions. [2022-10-15 22:14:58,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2290 transitions. [2022-10-15 22:14:58,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:14:58,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:58,210 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] [2022-10-15 22:14:58,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:14:58,210 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:58,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:58,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1563106630, now seen corresponding path program 1 times [2022-10-15 22:14:58,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:58,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661998928] [2022-10-15 22:14:58,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:58,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:58,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661998928] [2022-10-15 22:14:58,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661998928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:58,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:58,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:14:58,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405962383] [2022-10-15 22:14:58,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:58,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:14:58,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:58,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:14:58,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:58,341 INFO L87 Difference]: Start difference. First operand 1647 states and 2290 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:58,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:58,810 INFO L93 Difference]: Finished difference Result 3099 states and 4416 transitions. [2022-10-15 22:14:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:14:58,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-15 22:14:58,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:58,822 INFO L225 Difference]: With dead ends: 3099 [2022-10-15 22:14:58,822 INFO L226 Difference]: Without dead ends: 2044 [2022-10-15 22:14:58,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:14:58,825 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 816 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:58,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 595 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:14:58,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2022-10-15 22:14:59,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1800. [2022-10-15 22:14:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1800 states, 1780 states have (on average 1.4235955056179774) internal successors, (2534), 1799 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2534 transitions. [2022-10-15 22:14:59,017 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2534 transitions. Word has length 59 [2022-10-15 22:14:59,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:59,018 INFO L495 AbstractCegarLoop]: Abstraction has 1800 states and 2534 transitions. [2022-10-15 22:14:59,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2534 transitions. [2022-10-15 22:14:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:14:59,019 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:59,019 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] [2022-10-15 22:14:59,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:14:59,020 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:59,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:59,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1724301912, now seen corresponding path program 1 times [2022-10-15 22:14:59,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:59,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074958461] [2022-10-15 22:14:59,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:59,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:14:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:14:59,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:14:59,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074958461] [2022-10-15 22:14:59,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074958461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:14:59,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:14:59,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:14:59,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012181001] [2022-10-15 22:14:59,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:14:59,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:14:59,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:14:59,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:14:59,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:14:59,160 INFO L87 Difference]: Start difference. First operand 1800 states and 2534 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:59,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:14:59,677 INFO L93 Difference]: Finished difference Result 3540 states and 5100 transitions. [2022-10-15 22:14:59,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:14:59,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-15 22:14:59,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:14:59,691 INFO L225 Difference]: With dead ends: 3540 [2022-10-15 22:14:59,692 INFO L226 Difference]: Without dead ends: 2317 [2022-10-15 22:14:59,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:14:59,696 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 846 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:14:59,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 513 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:14:59,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2317 states. [2022-10-15 22:14:59,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2317 to 1956. [2022-10-15 22:14:59,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1939 states have (on average 1.4311500773594636) internal successors, (2775), 1955 states have internal predecessors, (2775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2775 transitions. [2022-10-15 22:14:59,878 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2775 transitions. Word has length 59 [2022-10-15 22:14:59,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:14:59,879 INFO L495 AbstractCegarLoop]: Abstraction has 1956 states and 2775 transitions. [2022-10-15 22:14:59,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:14:59,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2775 transitions. [2022-10-15 22:14:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:14:59,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:14:59,880 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] [2022-10-15 22:14:59,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:14:59,880 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:14:59,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:14:59,881 INFO L85 PathProgramCache]: Analyzing trace with hash 602919188, now seen corresponding path program 1 times [2022-10-15 22:14:59,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:14:59,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823563222] [2022-10-15 22:14:59,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:14:59,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:14:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:00,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:00,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:00,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823563222] [2022-10-15 22:15:00,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823563222] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:00,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:00,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:00,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535045975] [2022-10-15 22:15:00,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:00,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:00,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:00,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:00,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:00,022 INFO L87 Difference]: Start difference. First operand 1956 states and 2775 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:00,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:00,480 INFO L93 Difference]: Finished difference Result 2139 states and 3027 transitions. [2022-10-15 22:15:00,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:00,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-15 22:15:00,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:00,492 INFO L225 Difference]: With dead ends: 2139 [2022-10-15 22:15:00,492 INFO L226 Difference]: Without dead ends: 2135 [2022-10-15 22:15:00,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:00,494 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 519 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:00,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 734 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:00,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2022-10-15 22:15:00,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 2126. [2022-10-15 22:15:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2126 states, 2110 states have (on average 1.4312796208530805) internal successors, (3020), 2125 states have internal predecessors, (3020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 2126 states and 3020 transitions. [2022-10-15 22:15:00,704 INFO L78 Accepts]: Start accepts. Automaton has 2126 states and 3020 transitions. Word has length 59 [2022-10-15 22:15:00,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:00,705 INFO L495 AbstractCegarLoop]: Abstraction has 2126 states and 3020 transitions. [2022-10-15 22:15:00,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 3020 transitions. [2022-10-15 22:15:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:15:00,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:00,706 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] [2022-10-15 22:15:00,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:15:00,708 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:00,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:00,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1672542596, now seen corresponding path program 1 times [2022-10-15 22:15:00,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:00,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888311343] [2022-10-15 22:15:00,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:00,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:00,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:00,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:00,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888311343] [2022-10-15 22:15:00,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888311343] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:00,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:00,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:00,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98207149] [2022-10-15 22:15:00,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:00,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:00,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:00,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:00,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:00,888 INFO L87 Difference]: Start difference. First operand 2126 states and 3020 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:01,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:01,416 INFO L93 Difference]: Finished difference Result 2660 states and 3788 transitions. [2022-10-15 22:15:01,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:01,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-15 22:15:01,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:01,431 INFO L225 Difference]: With dead ends: 2660 [2022-10-15 22:15:01,431 INFO L226 Difference]: Without dead ends: 2656 [2022-10-15 22:15:01,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:01,434 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 477 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:01,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 860 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:01,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2022-10-15 22:15:01,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2638. [2022-10-15 22:15:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 2623 states have (on average 1.4391917651544033) internal successors, (3775), 2637 states have internal predecessors, (3775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 3775 transitions. [2022-10-15 22:15:01,693 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 3775 transitions. Word has length 59 [2022-10-15 22:15:01,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:01,694 INFO L495 AbstractCegarLoop]: Abstraction has 2638 states and 3775 transitions. [2022-10-15 22:15:01,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3775 transitions. [2022-10-15 22:15:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:15:01,695 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:01,695 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] [2022-10-15 22:15:01,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:15:01,696 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:01,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:01,696 INFO L85 PathProgramCache]: Analyzing trace with hash 309213623, now seen corresponding path program 1 times [2022-10-15 22:15:01,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:01,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8929938] [2022-10-15 22:15:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:01,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:01,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:01,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8929938] [2022-10-15 22:15:01,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8929938] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:01,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:01,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:01,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423975308] [2022-10-15 22:15:01,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:01,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:01,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:01,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:01,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:01,847 INFO L87 Difference]: Start difference. First operand 2638 states and 3775 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:02,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:02,247 INFO L93 Difference]: Finished difference Result 3154 states and 4520 transitions. [2022-10-15 22:15:02,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:02,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-15 22:15:02,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:02,259 INFO L225 Difference]: With dead ends: 3154 [2022-10-15 22:15:02,259 INFO L226 Difference]: Without dead ends: 1999 [2022-10-15 22:15:02,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:02,263 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 450 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:02,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 569 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:02,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-10-15 22:15:02,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1467. [2022-10-15 22:15:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1453 states have (on average 1.417068134893324) internal successors, (2059), 1466 states have internal predecessors, (2059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2059 transitions. [2022-10-15 22:15:02,439 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2059 transitions. Word has length 60 [2022-10-15 22:15:02,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:02,439 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2059 transitions. [2022-10-15 22:15:02,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2059 transitions. [2022-10-15 22:15:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:15:02,440 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:02,441 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] [2022-10-15 22:15:02,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:15:02,441 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:02,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:02,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1017239590, now seen corresponding path program 1 times [2022-10-15 22:15:02,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:02,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673701315] [2022-10-15 22:15:02,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:02,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:02,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:02,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673701315] [2022-10-15 22:15:02,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673701315] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:02,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:02,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:02,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948419113] [2022-10-15 22:15:02,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:02,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:02,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:02,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:02,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:02,568 INFO L87 Difference]: Start difference. First operand 1467 states and 2059 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:02,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:02,893 INFO L93 Difference]: Finished difference Result 1523 states and 2125 transitions. [2022-10-15 22:15:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:02,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-15 22:15:02,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:02,901 INFO L225 Difference]: With dead ends: 1523 [2022-10-15 22:15:02,901 INFO L226 Difference]: Without dead ends: 1521 [2022-10-15 22:15:02,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:02,902 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 249 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:02,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 767 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:02,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2022-10-15 22:15:03,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1466. [2022-10-15 22:15:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1453 states have (on average 1.4163799036476257) internal successors, (2058), 1465 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 2058 transitions. [2022-10-15 22:15:03,058 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 2058 transitions. Word has length 60 [2022-10-15 22:15:03,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:03,058 INFO L495 AbstractCegarLoop]: Abstraction has 1466 states and 2058 transitions. [2022-10-15 22:15:03,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2058 transitions. [2022-10-15 22:15:03,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:15:03,059 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:03,060 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] [2022-10-15 22:15:03,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:15:03,060 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:03,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:03,060 INFO L85 PathProgramCache]: Analyzing trace with hash -439555260, now seen corresponding path program 1 times [2022-10-15 22:15:03,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:03,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912143543] [2022-10-15 22:15:03,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:03,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:03,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:03,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912143543] [2022-10-15 22:15:03,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912143543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:03,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:03,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:15:03,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360858247] [2022-10-15 22:15:03,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:03,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:03,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:03,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:03,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:03,141 INFO L87 Difference]: Start difference. First operand 1466 states and 2058 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:03,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:03,310 INFO L93 Difference]: Finished difference Result 1466 states and 2058 transitions. [2022-10-15 22:15:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:03,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-15 22:15:03,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:03,322 INFO L225 Difference]: With dead ends: 1466 [2022-10-15 22:15:03,322 INFO L226 Difference]: Without dead ends: 1464 [2022-10-15 22:15:03,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:03,323 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 278 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:03,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 315 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:03,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2022-10-15 22:15:03,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1464. [2022-10-15 22:15:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1453 states have (on average 1.400550584996559) internal successors, (2035), 1463 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2035 transitions. [2022-10-15 22:15:03,474 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2035 transitions. Word has length 64 [2022-10-15 22:15:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:03,474 INFO L495 AbstractCegarLoop]: Abstraction has 1464 states and 2035 transitions. [2022-10-15 22:15:03,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2035 transitions. [2022-10-15 22:15:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:15:03,475 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:03,476 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] [2022-10-15 22:15:03,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:15:03,476 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:03,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:03,476 INFO L85 PathProgramCache]: Analyzing trace with hash -741310846, now seen corresponding path program 1 times [2022-10-15 22:15:03,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:03,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798331332] [2022-10-15 22:15:03,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:03,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:03,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:03,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798331332] [2022-10-15 22:15:03,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798331332] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:03,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:03,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:03,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689957395] [2022-10-15 22:15:03,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:03,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:03,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:03,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:03,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:03,574 INFO L87 Difference]: Start difference. First operand 1464 states and 2035 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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) [2022-10-15 22:15:03,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:03,790 INFO L93 Difference]: Finished difference Result 1464 states and 2035 transitions. [2022-10-15 22:15:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:03,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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 [2022-10-15 22:15:03,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:03,795 INFO L225 Difference]: With dead ends: 1464 [2022-10-15 22:15:03,795 INFO L226 Difference]: Without dead ends: 1408 [2022-10-15 22:15:03,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:03,797 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 256 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:03,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 604 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:03,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-10-15 22:15:03,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1408. [2022-10-15 22:15:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1399 states have (on average 1.3824160114367405) internal successors, (1934), 1407 states have internal predecessors, (1934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1934 transitions. [2022-10-15 22:15:03,975 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1934 transitions. Word has length 65 [2022-10-15 22:15:03,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:03,976 INFO L495 AbstractCegarLoop]: Abstraction has 1408 states and 1934 transitions. [2022-10-15 22:15:03,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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) [2022-10-15 22:15:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1934 transitions. [2022-10-15 22:15:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 22:15:03,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:03,978 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:03,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:15:03,978 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:03,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:03,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1113479665, now seen corresponding path program 1 times [2022-10-15 22:15:03,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:03,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286750769] [2022-10-15 22:15:03,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:03,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:04,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:04,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286750769] [2022-10-15 22:15:04,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286750769] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:04,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:04,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:04,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660705588] [2022-10-15 22:15:04,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:04,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:04,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:04,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:04,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:04,165 INFO L87 Difference]: Start difference. First operand 1408 states and 1934 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:04,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:04,488 INFO L93 Difference]: Finished difference Result 1523 states and 2082 transitions. [2022-10-15 22:15:04,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:04,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-15 22:15:04,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:04,492 INFO L225 Difference]: With dead ends: 1523 [2022-10-15 22:15:04,493 INFO L226 Difference]: Without dead ends: 1347 [2022-10-15 22:15:04,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:04,495 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 304 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:04,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 658 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:04,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2022-10-15 22:15:04,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1335. [2022-10-15 22:15:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1326 states have (on average 1.3861236802413273) internal successors, (1838), 1334 states have internal predecessors, (1838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1838 transitions. [2022-10-15 22:15:04,640 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1838 transitions. Word has length 85 [2022-10-15 22:15:04,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:04,641 INFO L495 AbstractCegarLoop]: Abstraction has 1335 states and 1838 transitions. [2022-10-15 22:15:04,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1838 transitions. [2022-10-15 22:15:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:15:04,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:04,643 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:04,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:15:04,644 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:04,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:04,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1414966323, now seen corresponding path program 1 times [2022-10-15 22:15:04,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:04,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437068576] [2022-10-15 22:15:04,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:04,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:04,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:04,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437068576] [2022-10-15 22:15:04,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437068576] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:04,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322757051] [2022-10-15 22:15:04,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:04,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:04,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:04,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:04,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 22:15:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:05,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:05,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-15 22:15:05,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:05,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322757051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:05,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:05,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:15:05,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950524350] [2022-10-15 22:15:05,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:05,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:05,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:05,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:05,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:05,252 INFO L87 Difference]: Start difference. First operand 1335 states and 1838 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:05,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:05,675 INFO L93 Difference]: Finished difference Result 3675 states and 5168 transitions. [2022-10-15 22:15:05,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:05,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 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 118 [2022-10-15 22:15:05,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:05,682 INFO L225 Difference]: With dead ends: 3675 [2022-10-15 22:15:05,682 INFO L226 Difference]: Without dead ends: 2432 [2022-10-15 22:15:05,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:15:05,686 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 542 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:05,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 254 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:05,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2022-10-15 22:15:05,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 2421. [2022-10-15 22:15:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2421 states, 2412 states have (on average 1.4104477611940298) internal successors, (3402), 2420 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2421 states and 3402 transitions. [2022-10-15 22:15:05,978 INFO L78 Accepts]: Start accepts. Automaton has 2421 states and 3402 transitions. Word has length 118 [2022-10-15 22:15:05,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:05,979 INFO L495 AbstractCegarLoop]: Abstraction has 2421 states and 3402 transitions. [2022-10-15 22:15:05,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:05,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 3402 transitions. [2022-10-15 22:15:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-15 22:15:05,982 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:05,982 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:06,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 22:15:06,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-10-15 22:15:06,198 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:06,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:06,199 INFO L85 PathProgramCache]: Analyzing trace with hash -851793450, now seen corresponding path program 1 times [2022-10-15 22:15:06,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:06,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857163979] [2022-10-15 22:15:06,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:06,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:06,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:06,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857163979] [2022-10-15 22:15:06,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857163979] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:06,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067633980] [2022-10-15 22:15:06,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:06,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:06,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:06,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:06,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 22:15:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:06,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:06,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-15 22:15:06,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:06,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067633980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:06,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:06,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:15:06,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191903497] [2022-10-15 22:15:06,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:06,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:06,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:06,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:06,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:06,604 INFO L87 Difference]: Start difference. First operand 2421 states and 3402 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:07,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:07,060 INFO L93 Difference]: Finished difference Result 4750 states and 6709 transitions. [2022-10-15 22:15:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:07,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 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 119 [2022-10-15 22:15:07,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:07,066 INFO L225 Difference]: With dead ends: 4750 [2022-10-15 22:15:07,066 INFO L226 Difference]: Without dead ends: 2388 [2022-10-15 22:15:07,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:15:07,071 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 527 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:07,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 147 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:07,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2022-10-15 22:15:07,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 2388. [2022-10-15 22:15:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2388 states, 2379 states have (on average 1.3984867591424968) internal successors, (3327), 2387 states have internal predecessors, (3327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 3327 transitions. [2022-10-15 22:15:07,360 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 3327 transitions. Word has length 119 [2022-10-15 22:15:07,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:07,360 INFO L495 AbstractCegarLoop]: Abstraction has 2388 states and 3327 transitions. [2022-10-15 22:15:07,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 3327 transitions. [2022-10-15 22:15:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-15 22:15:07,363 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:07,364 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:07,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 22:15:07,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-15 22:15:07,578 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:07,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:07,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1792867529, now seen corresponding path program 1 times [2022-10-15 22:15:07,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:07,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411133339] [2022-10-15 22:15:07,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:07,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:07,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:07,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411133339] [2022-10-15 22:15:07,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411133339] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:07,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008635772] [2022-10-15 22:15:07,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:07,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:07,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:07,735 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:07,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 22:15:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:07,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:07,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-15 22:15:07,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:07,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008635772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:07,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:07,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:15:07,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117504254] [2022-10-15 22:15:07,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:07,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:07,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:07,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:07,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:07,990 INFO L87 Difference]: Start difference. First operand 2388 states and 3327 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:08,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:08,344 INFO L93 Difference]: Finished difference Result 4717 states and 6594 transitions. [2022-10-15 22:15:08,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:08,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 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 120 [2022-10-15 22:15:08,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:08,354 INFO L225 Difference]: With dead ends: 4717 [2022-10-15 22:15:08,354 INFO L226 Difference]: Without dead ends: 2373 [2022-10-15 22:15:08,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:15:08,369 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 306 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:08,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 140 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:08,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2022-10-15 22:15:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2373. [2022-10-15 22:15:08,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2373 states, 2364 states have (on average 1.3836717428087986) internal successors, (3271), 2372 states have internal predecessors, (3271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 3271 transitions. [2022-10-15 22:15:08,688 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 3271 transitions. Word has length 120 [2022-10-15 22:15:08,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:08,688 INFO L495 AbstractCegarLoop]: Abstraction has 2373 states and 3271 transitions. [2022-10-15 22:15:08,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:08,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 3271 transitions. [2022-10-15 22:15:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-15 22:15:08,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:08,692 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:08,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 22:15:08,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:08,905 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:08,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:08,906 INFO L85 PathProgramCache]: Analyzing trace with hash 174652405, now seen corresponding path program 1 times [2022-10-15 22:15:08,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:08,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763642243] [2022-10-15 22:15:08,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:08,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:09,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:09,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763642243] [2022-10-15 22:15:09,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763642243] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:09,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310685232] [2022-10-15 22:15:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:09,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:09,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:09,040 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:09,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 22:15:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:09,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:15:09,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 22:15:09,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:09,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310685232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:09,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:09,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-15 22:15:09,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822293151] [2022-10-15 22:15:09,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:09,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:15:09,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:09,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:15:09,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:15:09,569 INFO L87 Difference]: Start difference. First operand 2373 states and 3271 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:11,100 INFO L93 Difference]: Finished difference Result 12465 states and 17307 transitions. [2022-10-15 22:15:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 22:15:11,101 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 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 121 [2022-10-15 22:15:11,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:11,130 INFO L225 Difference]: With dead ends: 12465 [2022-10-15 22:15:11,130 INFO L226 Difference]: Without dead ends: 10202 [2022-10-15 22:15:11,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:15:11,138 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1060 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:11,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 477 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:11,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10202 states. [2022-10-15 22:15:11,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10202 to 4999. [2022-10-15 22:15:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4999 states, 4990 states have (on average 1.3935871743486974) internal successors, (6954), 4998 states have internal predecessors, (6954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 6954 transitions. [2022-10-15 22:15:11,884 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 6954 transitions. Word has length 121 [2022-10-15 22:15:11,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:11,884 INFO L495 AbstractCegarLoop]: Abstraction has 4999 states and 6954 transitions. [2022-10-15 22:15:11,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 6954 transitions. [2022-10-15 22:15:11,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-15 22:15:11,888 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:11,888 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:11,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-15 22:15:12,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-15 22:15:12,102 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:12,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:12,104 INFO L85 PathProgramCache]: Analyzing trace with hash -290052555, now seen corresponding path program 1 times [2022-10-15 22:15:12,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:12,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468558638] [2022-10-15 22:15:12,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:12,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:12,185 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:12,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:12,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468558638] [2022-10-15 22:15:12,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468558638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:12,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:12,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:12,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174106069] [2022-10-15 22:15:12,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:12,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:12,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:12,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:12,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:12,188 INFO L87 Difference]: Start difference. First operand 4999 states and 6954 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:13,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:13,540 INFO L93 Difference]: Finished difference Result 12335 states and 17017 transitions. [2022-10-15 22:15:13,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:13,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-15 22:15:13,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:13,557 INFO L225 Difference]: With dead ends: 12335 [2022-10-15 22:15:13,558 INFO L226 Difference]: Without dead ends: 7446 [2022-10-15 22:15:13,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:13,572 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 90 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:13,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 270 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:13,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2022-10-15 22:15:14,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 7209. [2022-10-15 22:15:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7209 states, 7200 states have (on average 1.3702777777777777) internal successors, (9866), 7208 states have internal predecessors, (9866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:14,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7209 states to 7209 states and 9866 transitions. [2022-10-15 22:15:14,624 INFO L78 Accepts]: Start accepts. Automaton has 7209 states and 9866 transitions. Word has length 122 [2022-10-15 22:15:14,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:14,625 INFO L495 AbstractCegarLoop]: Abstraction has 7209 states and 9866 transitions. [2022-10-15 22:15:14,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 7209 states and 9866 transitions. [2022-10-15 22:15:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 22:15:14,629 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:14,629 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:14,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 22:15:14,630 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:14,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:14,630 INFO L85 PathProgramCache]: Analyzing trace with hash 409790333, now seen corresponding path program 1 times [2022-10-15 22:15:14,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:14,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624513282] [2022-10-15 22:15:14,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:14,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:14,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:14,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624513282] [2022-10-15 22:15:14,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624513282] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:14,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:14,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:14,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657091893] [2022-10-15 22:15:14,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:14,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:14,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:14,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:14,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:14,718 INFO L87 Difference]: Start difference. First operand 7209 states and 9866 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:15,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:15,831 INFO L93 Difference]: Finished difference Result 15599 states and 21293 transitions. [2022-10-15 22:15:15,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:15,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-15 22:15:15,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:15,852 INFO L225 Difference]: With dead ends: 15599 [2022-10-15 22:15:15,852 INFO L226 Difference]: Without dead ends: 8500 [2022-10-15 22:15:15,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:15,865 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 67 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:15,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 379 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:15,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8500 states. [2022-10-15 22:15:17,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8500 to 8263. [2022-10-15 22:15:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8263 states, 8254 states have (on average 1.3537678701235765) internal successors, (11174), 8262 states have internal predecessors, (11174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8263 states to 8263 states and 11174 transitions. [2022-10-15 22:15:17,050 INFO L78 Accepts]: Start accepts. Automaton has 8263 states and 11174 transitions. Word has length 124 [2022-10-15 22:15:17,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:17,050 INFO L495 AbstractCegarLoop]: Abstraction has 8263 states and 11174 transitions. [2022-10-15 22:15:17,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:17,051 INFO L276 IsEmpty]: Start isEmpty. Operand 8263 states and 11174 transitions. [2022-10-15 22:15:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-15 22:15:17,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:17,055 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:17,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 22:15:17,055 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:17,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:17,056 INFO L85 PathProgramCache]: Analyzing trace with hash 2137393850, now seen corresponding path program 1 times [2022-10-15 22:15:17,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:17,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801351595] [2022-10-15 22:15:17,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:17,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:17,229 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:17,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:17,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801351595] [2022-10-15 22:15:17,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801351595] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:17,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:17,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:17,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654634908] [2022-10-15 22:15:17,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:17,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:17,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:17,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:17,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:17,231 INFO L87 Difference]: Start difference. First operand 8263 states and 11174 transitions. Second operand has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:18,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:18,708 INFO L93 Difference]: Finished difference Result 8746 states and 11808 transitions. [2022-10-15 22:15:18,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:18,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-15 22:15:18,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:18,732 INFO L225 Difference]: With dead ends: 8746 [2022-10-15 22:15:18,732 INFO L226 Difference]: Without dead ends: 8743 [2022-10-15 22:15:18,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:18,736 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 190 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:18,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 493 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:18,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8743 states. [2022-10-15 22:15:19,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8743 to 7783. [2022-10-15 22:15:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7783 states, 7774 states have (on average 1.3537432467198354) internal successors, (10524), 7782 states have internal predecessors, (10524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:20,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7783 states to 7783 states and 10524 transitions. [2022-10-15 22:15:20,014 INFO L78 Accepts]: Start accepts. Automaton has 7783 states and 10524 transitions. Word has length 126 [2022-10-15 22:15:20,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:20,014 INFO L495 AbstractCegarLoop]: Abstraction has 7783 states and 10524 transitions. [2022-10-15 22:15:20,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:20,015 INFO L276 IsEmpty]: Start isEmpty. Operand 7783 states and 10524 transitions. [2022-10-15 22:15:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 22:15:20,018 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:20,019 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:20,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 22:15:20,019 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:20,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:20,020 INFO L85 PathProgramCache]: Analyzing trace with hash 162716696, now seen corresponding path program 1 times [2022-10-15 22:15:20,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:20,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42749766] [2022-10-15 22:15:20,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:20,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:20,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:20,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42749766] [2022-10-15 22:15:20,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42749766] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:20,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197132298] [2022-10-15 22:15:20,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:20,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:20,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:20,205 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:20,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 22:15:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:20,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:15:20,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 22:15:20,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:20,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197132298] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:20,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:20,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-15 22:15:20,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36285158] [2022-10-15 22:15:20,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:20,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:15:20,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:20,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:15:20,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:15:20,641 INFO L87 Difference]: Start difference. First operand 7783 states and 10524 transitions. Second operand has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:25,412 INFO L93 Difference]: Finished difference Result 39211 states and 52856 transitions. [2022-10-15 22:15:25,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 22:15:25,413 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 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 127 [2022-10-15 22:15:25,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:25,455 INFO L225 Difference]: With dead ends: 39211 [2022-10-15 22:15:25,455 INFO L226 Difference]: Without dead ends: 31538 [2022-10-15 22:15:25,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:15:25,471 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 1364 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:25,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 373 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:25,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31538 states. [2022-10-15 22:15:28,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31538 to 16703. [2022-10-15 22:15:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16703 states, 16694 states have (on average 1.3595303701928836) internal successors, (22696), 16702 states have internal predecessors, (22696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:28,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16703 states to 16703 states and 22696 transitions. [2022-10-15 22:15:28,157 INFO L78 Accepts]: Start accepts. Automaton has 16703 states and 22696 transitions. Word has length 127 [2022-10-15 22:15:28,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:28,158 INFO L495 AbstractCegarLoop]: Abstraction has 16703 states and 22696 transitions. [2022-10-15 22:15:28,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 6 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 16703 states and 22696 transitions. [2022-10-15 22:15:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-15 22:15:28,169 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:28,170 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:28,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 22:15:28,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:28,375 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:28,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:28,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1084063396, now seen corresponding path program 1 times [2022-10-15 22:15:28,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:28,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578307644] [2022-10-15 22:15:28,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:28,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-15 22:15:28,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:28,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578307644] [2022-10-15 22:15:28,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578307644] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:28,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:28,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:15:28,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968285419] [2022-10-15 22:15:28,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:28,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:28,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:28,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:28,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:28,749 INFO L87 Difference]: Start difference. First operand 16703 states and 22696 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:31,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:31,485 INFO L93 Difference]: Finished difference Result 33299 states and 45272 transitions. [2022-10-15 22:15:31,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:31,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 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 154 [2022-10-15 22:15:31,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:31,512 INFO L225 Difference]: With dead ends: 33299 [2022-10-15 22:15:31,512 INFO L226 Difference]: Without dead ends: 16706 [2022-10-15 22:15:31,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:15:31,530 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 240 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:31,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 321 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:31,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16706 states. [2022-10-15 22:15:34,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16706 to 16703. [2022-10-15 22:15:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16703 states, 16694 states have (on average 1.3571342997484126) internal successors, (22656), 16702 states have internal predecessors, (22656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:34,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16703 states to 16703 states and 22656 transitions. [2022-10-15 22:15:34,075 INFO L78 Accepts]: Start accepts. Automaton has 16703 states and 22656 transitions. Word has length 154 [2022-10-15 22:15:34,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:34,075 INFO L495 AbstractCegarLoop]: Abstraction has 16703 states and 22656 transitions. [2022-10-15 22:15:34,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:34,075 INFO L276 IsEmpty]: Start isEmpty. Operand 16703 states and 22656 transitions. [2022-10-15 22:15:34,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-15 22:15:34,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:34,087 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:34,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-15 22:15:34,087 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 145 more)] === [2022-10-15 22:15:34,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:34,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1681401733, now seen corresponding path program 1 times [2022-10-15 22:15:34,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:34,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923057886] [2022-10-15 22:15:34,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:34,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:34,275 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:34,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:34,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923057886] [2022-10-15 22:15:34,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923057886] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:34,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917274463] [2022-10-15 22:15:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:34,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:34,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:34,278 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:15:34,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 22:15:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:34,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:15:34,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:34,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 22:15:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:35,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917274463] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 22:15:35,122 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 22:15:35,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2022-10-15 22:15:35,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308545018] [2022-10-15 22:15:35,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 22:15:35,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 22:15:35,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:35,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 22:15:35,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-10-15 22:15:35,125 INFO L87 Difference]: Start difference. First operand 16703 states and 22656 transitions. Second operand has 14 states, 14 states have (on average 31.428571428571427) internal successors, (440), 14 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)