/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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:42:05,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:42:05,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:42:05,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:42:05,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:42:05,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:42:05,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:42:05,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:42:05,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:42:05,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:42:05,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:42:05,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:42:05,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:42:05,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:42:05,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:42:05,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:42:05,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:42:05,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:42:05,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:42:05,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:42:05,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:42:05,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:42:05,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:42:05,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:42:05,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:42:05,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:42:05,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:42:05,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:42:05,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:42:05,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:42:05,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:42:05,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:42:05,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:42:05,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:42:05,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:42:05,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:42:05,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:42:05,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:42:05,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:42:05,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:42:05,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:42:05,534 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 [2022-10-16 16:42:05,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:42:05,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:42:05,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:42:05,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:42:05,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:42:05,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:42:05,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:42:05,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:42:05,565 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:42:05,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:42:05,566 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:42:05,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:42:05,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:42:05,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:42:05,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:42:05,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:42:05,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:42:05,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:42:05,568 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:42:05,568 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:42:05,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:42:05,568 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:42:05,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:42:05,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:42:05,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:42:05,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:42:05,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:42:05,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:42:05,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:42:05,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:42:05,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:42:05,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:42:05,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:42:05,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:42:05,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:42:06,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:42:06,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:42:06,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:42:06,023 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:42:06,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 16:42:06,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d88efa81/01d6eaf91d3e4fb0b60637f1ca65ffb6/FLAGf1b35c997 [2022-10-16 16:42:06,845 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:42:06,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 16:42:06,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d88efa81/01d6eaf91d3e4fb0b60637f1ca65ffb6/FLAGf1b35c997 [2022-10-16 16:42:07,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d88efa81/01d6eaf91d3e4fb0b60637f1ca65ffb6 [2022-10-16 16:42:07,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:42:07,090 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:42:07,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:42:07,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:42:07,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:42:07,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:42:07" (1/1) ... [2022-10-16 16:42:07,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7b5f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:07, skipping insertion in model container [2022-10-16 16:42:07,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:42:07" (1/1) ... [2022-10-16 16:42:07,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:42:07,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:42:07,659 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15613,15626] [2022-10-16 16:42:07,677 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[16673,16686] [2022-10-16 16:42:07,797 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[28981,28994] [2022-10-16 16:42:07,805 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[29628,29641] [2022-10-16 16:42:07,819 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[30969,30982] [2022-10-16 16:42:07,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:42:07,918 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:42:08,064 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15613,15626] [2022-10-16 16:42:08,074 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[16673,16686] [2022-10-16 16:42:08,150 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[28981,28994] [2022-10-16 16:42:08,156 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[29628,29641] [2022-10-16 16:42:08,167 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[30969,30982] [2022-10-16 16:42:08,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:42:08,215 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:42:08,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08 WrapperNode [2022-10-16 16:42:08,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:42:08,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:42:08,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:42:08,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:42:08,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,377 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1899 [2022-10-16 16:42:08,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:42:08,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:42:08,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:42:08,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:42:08,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:42:08,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:42:08,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:42:08,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:42:08,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (1/1) ... [2022-10-16 16:42:08,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:42:08,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:42:08,564 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) [2022-10-16 16:42:08,589 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 [2022-10-16 16:42:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:42:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:42:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:42:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:42:08,817 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:42:08,821 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:42:10,616 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:42:10,631 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:42:10,632 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:42:10,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:42:10 BoogieIcfgContainer [2022-10-16 16:42:10,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:42:10,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:42:10,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:42:10,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:42:10,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:42:07" (1/3) ... [2022-10-16 16:42:10,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47436d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:42:10, skipping insertion in model container [2022-10-16 16:42:10,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:42:08" (2/3) ... [2022-10-16 16:42:10,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47436d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:42:10, skipping insertion in model container [2022-10-16 16:42:10,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:42:10" (3/3) ... [2022-10-16 16:42:10,645 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 16:42:10,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:42:10,666 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 210 error locations. [2022-10-16 16:42:10,747 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:42:10,758 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;@3e8ce448, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:42:10,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 210 error locations. [2022-10-16 16:42:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 823 states, 612 states have (on average 1.8709150326797386) internal successors, (1145), 822 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:42:10,785 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:10,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:10,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:10,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:10,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1794100544, now seen corresponding path program 1 times [2022-10-16 16:42:10,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:10,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438558439] [2022-10-16 16:42:10,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:10,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:11,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:11,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:11,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438558439] [2022-10-16 16:42:11,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438558439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:11,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:11,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:42:11,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488081051] [2022-10-16 16:42:11,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:11,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:11,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:11,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:11,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:11,445 INFO L87 Difference]: Start difference. First operand has 823 states, 612 states have (on average 1.8709150326797386) internal successors, (1145), 822 states have internal predecessors, (1145), 0 states have call successors, (0), 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 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:11,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:11,999 INFO L93 Difference]: Finished difference Result 982 states and 1367 transitions. [2022-10-16 16:42:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:12,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 16:42:12,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:12,034 INFO L225 Difference]: With dead ends: 982 [2022-10-16 16:42:12,035 INFO L226 Difference]: Without dead ends: 952 [2022-10-16 16:42:12,041 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 [2022-10-16 16:42:12,046 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 808 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:12,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 1261 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:42:12,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2022-10-16 16:42:12,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 924. [2022-10-16 16:42:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 724 states have (on average 1.6519337016574585) internal successors, (1196), 923 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1196 transitions. [2022-10-16 16:42:12,215 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1196 transitions. Word has length 62 [2022-10-16 16:42:12,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:12,217 INFO L495 AbstractCegarLoop]: Abstraction has 924 states and 1196 transitions. [2022-10-16 16:42:12,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1196 transitions. [2022-10-16 16:42:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:42:12,222 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:12,223 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] [2022-10-16 16:42:12,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:42:12,224 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:12,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:12,225 INFO L85 PathProgramCache]: Analyzing trace with hash 217458263, now seen corresponding path program 1 times [2022-10-16 16:42:12,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:12,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561372184] [2022-10-16 16:42:12,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:12,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:12,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:12,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:12,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561372184] [2022-10-16 16:42:12,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561372184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:12,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:12,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:42:12,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413869931] [2022-10-16 16:42:12,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:12,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:12,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:12,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:12,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:12,435 INFO L87 Difference]: Start difference. First operand 924 states and 1196 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:12,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:12,752 INFO L93 Difference]: Finished difference Result 955 states and 1196 transitions. [2022-10-16 16:42:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:12,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-16 16:42:12,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:12,759 INFO L225 Difference]: With dead ends: 955 [2022-10-16 16:42:12,760 INFO L226 Difference]: Without dead ends: 942 [2022-10-16 16:42:12,761 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 [2022-10-16 16:42:12,762 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 685 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:12,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 1118 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:42:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2022-10-16 16:42:12,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 914. [2022-10-16 16:42:12,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 724 states have (on average 1.6339779005524862) internal successors, (1183), 913 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:12,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1183 transitions. [2022-10-16 16:42:12,808 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1183 transitions. Word has length 63 [2022-10-16 16:42:12,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:12,809 INFO L495 AbstractCegarLoop]: Abstraction has 914 states and 1183 transitions. [2022-10-16 16:42:12,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1183 transitions. [2022-10-16 16:42:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:42:12,811 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:12,811 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] [2022-10-16 16:42:12,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:42:12,811 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:12,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:12,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1848728158, now seen corresponding path program 1 times [2022-10-16 16:42:12,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:12,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668616751] [2022-10-16 16:42:12,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:12,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:13,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:13,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668616751] [2022-10-16 16:42:13,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668616751] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:13,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:13,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:42:13,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248214744] [2022-10-16 16:42:13,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:13,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:42:13,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:13,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:42:13,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:13,067 INFO L87 Difference]: Start difference. First operand 914 states and 1183 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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) [2022-10-16 16:42:13,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:13,797 INFO L93 Difference]: Finished difference Result 1820 states and 2467 transitions. [2022-10-16 16:42:13,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:42:13,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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 [2022-10-16 16:42:13,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:13,809 INFO L225 Difference]: With dead ends: 1820 [2022-10-16 16:42:13,809 INFO L226 Difference]: Without dead ends: 1534 [2022-10-16 16:42:13,815 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 [2022-10-16 16:42:13,819 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 2843 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2843 SdHoareTripleChecker+Valid, 2662 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:13,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2843 Valid, 2662 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:42:13,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2022-10-16 16:42:13,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1150. [2022-10-16 16:42:13,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 968 states have (on average 1.6435950413223142) internal successors, (1591), 1149 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:13,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1591 transitions. [2022-10-16 16:42:13,903 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1591 transitions. Word has length 64 [2022-10-16 16:42:13,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:13,905 INFO L495 AbstractCegarLoop]: Abstraction has 1150 states and 1591 transitions. [2022-10-16 16:42:13,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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) [2022-10-16 16:42:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1591 transitions. [2022-10-16 16:42:13,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:42:13,911 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:13,911 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] [2022-10-16 16:42:13,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:42:13,912 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:13,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:13,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1475997767, now seen corresponding path program 1 times [2022-10-16 16:42:13,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:13,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692050737] [2022-10-16 16:42:13,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:13,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:14,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:14,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692050737] [2022-10-16 16:42:14,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692050737] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:14,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:14,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:42:14,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175430515] [2022-10-16 16:42:14,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:14,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:42:14,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:14,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:42:14,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:14,253 INFO L87 Difference]: Start difference. First operand 1150 states and 1591 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 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) [2022-10-16 16:42:14,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:14,859 INFO L93 Difference]: Finished difference Result 1722 states and 2450 transitions. [2022-10-16 16:42:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:42:14,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 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 [2022-10-16 16:42:14,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:14,869 INFO L225 Difference]: With dead ends: 1722 [2022-10-16 16:42:14,870 INFO L226 Difference]: Without dead ends: 1697 [2022-10-16 16:42:14,870 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 [2022-10-16 16:42:14,872 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 3336 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3336 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:14,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3336 Valid, 1391 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:42:14,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2022-10-16 16:42:14,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1619. [2022-10-16 16:42:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1454 states have (on average 1.6533700137551581) internal successors, (2404), 1618 states have internal predecessors, (2404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2404 transitions. [2022-10-16 16:42:14,981 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2404 transitions. Word has length 65 [2022-10-16 16:42:14,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:14,981 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2404 transitions. [2022-10-16 16:42:14,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 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) [2022-10-16 16:42:14,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2404 transitions. [2022-10-16 16:42:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:42:14,983 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:14,983 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] [2022-10-16 16:42:14,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:42:14,984 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:14,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:14,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1094637253, now seen corresponding path program 1 times [2022-10-16 16:42:14,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:14,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937403555] [2022-10-16 16:42:14,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:14,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:15,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:15,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937403555] [2022-10-16 16:42:15,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937403555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:15,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:15,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:15,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270189086] [2022-10-16 16:42:15,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:15,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:15,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:15,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:15,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:15,100 INFO L87 Difference]: Start difference. First operand 1619 states and 2404 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:15,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:15,595 INFO L93 Difference]: Finished difference Result 2016 states and 3032 transitions. [2022-10-16 16:42:15,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:42:15,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-16 16:42:15,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:15,608 INFO L225 Difference]: With dead ends: 2016 [2022-10-16 16:42:15,608 INFO L226 Difference]: Without dead ends: 2013 [2022-10-16 16:42:15,609 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 [2022-10-16 16:42:15,610 INFO L413 NwaCegarLoop]: 793 mSDtfsCounter, 1052 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1052 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:15,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 1506 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:42:15,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2022-10-16 16:42:15,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1616. [2022-10-16 16:42:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1454 states have (on average 1.6513067400275103) internal successors, (2401), 1615 states have internal predecessors, (2401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2401 transitions. [2022-10-16 16:42:15,716 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2401 transitions. Word has length 67 [2022-10-16 16:42:15,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:15,717 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2401 transitions. [2022-10-16 16:42:15,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2401 transitions. [2022-10-16 16:42:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:42:15,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:15,718 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] [2022-10-16 16:42:15,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:42:15,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:15,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:15,719 INFO L85 PathProgramCache]: Analyzing trace with hash 425983815, now seen corresponding path program 1 times [2022-10-16 16:42:15,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:15,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406338523] [2022-10-16 16:42:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:15,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:15,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:15,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406338523] [2022-10-16 16:42:15,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406338523] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:15,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:15,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:15,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206222331] [2022-10-16 16:42:15,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:15,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:15,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:15,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:15,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:15,829 INFO L87 Difference]: Start difference. First operand 1616 states and 2401 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:16,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:16,394 INFO L93 Difference]: Finished difference Result 2381 states and 3666 transitions. [2022-10-16 16:42:16,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:42:16,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-16 16:42:16,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:16,408 INFO L225 Difference]: With dead ends: 2381 [2022-10-16 16:42:16,408 INFO L226 Difference]: Without dead ends: 2374 [2022-10-16 16:42:16,410 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 [2022-10-16 16:42:16,415 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 1779 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1779 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:16,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1779 Valid, 1030 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:42:16,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2022-10-16 16:42:16,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2336. [2022-10-16 16:42:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 2180 states have (on average 1.6697247706422018) internal successors, (3640), 2335 states have internal predecessors, (3640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 3640 transitions. [2022-10-16 16:42:16,577 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 3640 transitions. Word has length 68 [2022-10-16 16:42:16,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:16,578 INFO L495 AbstractCegarLoop]: Abstraction has 2336 states and 3640 transitions. [2022-10-16 16:42:16,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:16,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3640 transitions. [2022-10-16 16:42:16,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:42:16,579 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:16,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:16,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:42:16,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:16,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:16,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1348562473, now seen corresponding path program 1 times [2022-10-16 16:42:16,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:16,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176356589] [2022-10-16 16:42:16,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:16,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:16,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:16,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176356589] [2022-10-16 16:42:16,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176356589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:16,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:16,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:16,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868018957] [2022-10-16 16:42:16,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:16,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:16,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:16,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:16,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:16,687 INFO L87 Difference]: Start difference. First operand 2336 states and 3640 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:17,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:17,241 INFO L93 Difference]: Finished difference Result 3099 states and 4905 transitions. [2022-10-16 16:42:17,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:42:17,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:42:17,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:17,258 INFO L225 Difference]: With dead ends: 3099 [2022-10-16 16:42:17,259 INFO L226 Difference]: Without dead ends: 3096 [2022-10-16 16:42:17,260 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 [2022-10-16 16:42:17,264 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 1090 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:17,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 1429 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:42:17,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2022-10-16 16:42:17,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 2333. [2022-10-16 16:42:17,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2333 states, 2180 states have (on average 1.668348623853211) internal successors, (3637), 2332 states have internal predecessors, (3637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 3637 transitions. [2022-10-16 16:42:17,447 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 3637 transitions. Word has length 70 [2022-10-16 16:42:17,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:17,448 INFO L495 AbstractCegarLoop]: Abstraction has 2333 states and 3637 transitions. [2022-10-16 16:42:17,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 3637 transitions. [2022-10-16 16:42:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:42:17,455 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:17,455 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] [2022-10-16 16:42:17,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:42:17,456 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:17,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:17,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1144236000, now seen corresponding path program 1 times [2022-10-16 16:42:17,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:17,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627121476] [2022-10-16 16:42:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:17,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:17,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:17,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627121476] [2022-10-16 16:42:17,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627121476] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:17,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:17,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:17,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111673166] [2022-10-16 16:42:17,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:17,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:17,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:17,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:17,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:17,616 INFO L87 Difference]: Start difference. First operand 2333 states and 3637 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:18,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:18,210 INFO L93 Difference]: Finished difference Result 3824 states and 6149 transitions. [2022-10-16 16:42:18,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:42:18,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-10-16 16:42:18,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:18,234 INFO L225 Difference]: With dead ends: 3824 [2022-10-16 16:42:18,234 INFO L226 Difference]: Without dead ends: 3817 [2022-10-16 16:42:18,236 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 [2022-10-16 16:42:18,237 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 1786 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:18,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 1004 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:42:18,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3817 states. [2022-10-16 16:42:18,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3817 to 3773. [2022-10-16 16:42:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3773 states, 3626 states have (on average 1.683673469387755) internal successors, (6105), 3772 states have internal predecessors, (6105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 6105 transitions. [2022-10-16 16:42:18,540 INFO L78 Accepts]: Start accepts. Automaton has 3773 states and 6105 transitions. Word has length 71 [2022-10-16 16:42:18,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:18,547 INFO L495 AbstractCegarLoop]: Abstraction has 3773 states and 6105 transitions. [2022-10-16 16:42:18,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 6105 transitions. [2022-10-16 16:42:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:42:18,549 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:18,551 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] [2022-10-16 16:42:18,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:42:18,552 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:18,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:18,552 INFO L85 PathProgramCache]: Analyzing trace with hash -99158622, now seen corresponding path program 1 times [2022-10-16 16:42:18,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:18,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212258082] [2022-10-16 16:42:18,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:18,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:18,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:18,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:18,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212258082] [2022-10-16 16:42:18,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212258082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:18,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:18,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:18,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033374199] [2022-10-16 16:42:18,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:18,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:18,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:18,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:18,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:18,678 INFO L87 Difference]: Start difference. First operand 3773 states and 6105 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:19,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:19,291 INFO L93 Difference]: Finished difference Result 6833 states and 11293 transitions. [2022-10-16 16:42:19,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:42:19,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-16 16:42:19,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:19,332 INFO L225 Difference]: With dead ends: 6833 [2022-10-16 16:42:19,332 INFO L226 Difference]: Without dead ends: 6830 [2022-10-16 16:42:19,335 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 [2022-10-16 16:42:19,336 INFO L413 NwaCegarLoop]: 812 mSDtfsCounter, 1171 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 1472 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:19,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 1472 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:19,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6830 states. [2022-10-16 16:42:19,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6830 to 3770. [2022-10-16 16:42:19,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3770 states, 3626 states have (on average 1.68284611141754) internal successors, (6102), 3769 states have internal predecessors, (6102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:19,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3770 states and 6102 transitions. [2022-10-16 16:42:19,684 INFO L78 Accepts]: Start accepts. Automaton has 3770 states and 6102 transitions. Word has length 73 [2022-10-16 16:42:19,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:19,685 INFO L495 AbstractCegarLoop]: Abstraction has 3770 states and 6102 transitions. [2022-10-16 16:42:19,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:19,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3770 states and 6102 transitions. [2022-10-16 16:42:19,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:42:19,686 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:19,686 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] [2022-10-16 16:42:19,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:42:19,687 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:19,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:19,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1221050318, now seen corresponding path program 1 times [2022-10-16 16:42:19,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:19,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122777671] [2022-10-16 16:42:19,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:19,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:19,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:19,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122777671] [2022-10-16 16:42:19,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122777671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:19,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:19,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:19,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028055026] [2022-10-16 16:42:19,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:19,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:19,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:19,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:19,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:19,789 INFO L87 Difference]: Start difference. First operand 3770 states and 6102 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:20,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:20,497 INFO L93 Difference]: Finished difference Result 6951 states and 11495 transitions. [2022-10-16 16:42:20,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:42:20,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 16:42:20,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:20,524 INFO L225 Difference]: With dead ends: 6951 [2022-10-16 16:42:20,524 INFO L226 Difference]: Without dead ends: 6944 [2022-10-16 16:42:20,527 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 [2022-10-16 16:42:20,528 INFO L413 NwaCegarLoop]: 758 mSDtfsCounter, 1799 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:20,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1799 Valid, 1099 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:20,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6944 states. [2022-10-16 16:42:21,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6944 to 6886. [2022-10-16 16:42:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6886 states, 6748 states have (on average 1.6910195613515115) internal successors, (11411), 6885 states have internal predecessors, (11411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6886 states to 6886 states and 11411 transitions. [2022-10-16 16:42:21,175 INFO L78 Accepts]: Start accepts. Automaton has 6886 states and 11411 transitions. Word has length 74 [2022-10-16 16:42:21,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:21,175 INFO L495 AbstractCegarLoop]: Abstraction has 6886 states and 11411 transitions. [2022-10-16 16:42:21,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 6886 states and 11411 transitions. [2022-10-16 16:42:21,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:42:21,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:21,177 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] [2022-10-16 16:42:21,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:42:21,178 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:21,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:21,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1008939324, now seen corresponding path program 1 times [2022-10-16 16:42:21,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:21,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719230339] [2022-10-16 16:42:21,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:21,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:21,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:21,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719230339] [2022-10-16 16:42:21,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719230339] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:21,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:21,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:21,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916912181] [2022-10-16 16:42:21,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:21,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:21,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:21,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:21,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:21,291 INFO L87 Difference]: Start difference. First operand 6886 states and 11411 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:22,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:22,297 INFO L93 Difference]: Finished difference Result 12704 states and 21315 transitions. [2022-10-16 16:42:22,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:42:22,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:42:22,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:22,333 INFO L225 Difference]: With dead ends: 12704 [2022-10-16 16:42:22,333 INFO L226 Difference]: Without dead ends: 12701 [2022-10-16 16:42:22,339 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 [2022-10-16 16:42:22,340 INFO L413 NwaCegarLoop]: 1026 mSDtfsCounter, 977 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:22,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [977 Valid, 2002 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:22,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12701 states. [2022-10-16 16:42:23,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12701 to 6883. [2022-10-16 16:42:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6883 states, 6748 states have (on average 1.6905749851807943) internal successors, (11408), 6882 states have internal predecessors, (11408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6883 states to 6883 states and 11408 transitions. [2022-10-16 16:42:23,036 INFO L78 Accepts]: Start accepts. Automaton has 6883 states and 11408 transitions. Word has length 84 [2022-10-16 16:42:23,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:23,037 INFO L495 AbstractCegarLoop]: Abstraction has 6883 states and 11408 transitions. [2022-10-16 16:42:23,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:23,038 INFO L276 IsEmpty]: Start isEmpty. Operand 6883 states and 11408 transitions. [2022-10-16 16:42:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:42:23,038 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:23,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:23,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:42:23,039 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:23,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:23,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1212348307, now seen corresponding path program 1 times [2022-10-16 16:42:23,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:23,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138171958] [2022-10-16 16:42:23,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:23,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:23,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:23,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:23,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138171958] [2022-10-16 16:42:23,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138171958] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:23,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:23,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:23,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568947016] [2022-10-16 16:42:23,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:23,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:23,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:23,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:23,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:23,156 INFO L87 Difference]: Start difference. First operand 6883 states and 11408 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 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) [2022-10-16 16:42:24,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:24,257 INFO L93 Difference]: Finished difference Result 13185 states and 22116 transitions. [2022-10-16 16:42:24,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:42:24,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 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 [2022-10-16 16:42:24,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:24,294 INFO L225 Difference]: With dead ends: 13185 [2022-10-16 16:42:24,294 INFO L226 Difference]: Without dead ends: 13176 [2022-10-16 16:42:24,300 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 [2022-10-16 16:42:24,301 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 1748 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:24,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 1126 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:24,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13176 states. [2022-10-16 16:42:25,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13176 to 13146. [2022-10-16 16:42:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13146 states, 13018 states have (on average 1.690351820556153) internal successors, (22005), 13145 states have internal predecessors, (22005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13146 states to 13146 states and 22005 transitions. [2022-10-16 16:42:25,713 INFO L78 Accepts]: Start accepts. Automaton has 13146 states and 22005 transitions. Word has length 85 [2022-10-16 16:42:25,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:25,713 INFO L495 AbstractCegarLoop]: Abstraction has 13146 states and 22005 transitions. [2022-10-16 16:42:25,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 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) [2022-10-16 16:42:25,713 INFO L276 IsEmpty]: Start isEmpty. Operand 13146 states and 22005 transitions. [2022-10-16 16:42:25,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:42:25,715 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:25,715 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, 1] [2022-10-16 16:42:25,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:42:25,715 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:25,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:25,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1071907810, now seen corresponding path program 1 times [2022-10-16 16:42:25,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:25,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599573238] [2022-10-16 16:42:25,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:25,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:25,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:25,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599573238] [2022-10-16 16:42:25,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599573238] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:25,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:25,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:42:25,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860245919] [2022-10-16 16:42:25,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:25,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:42:25,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:25,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:42:25,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:25,853 INFO L87 Difference]: Start difference. First operand 13146 states and 22005 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:28,965 INFO L93 Difference]: Finished difference Result 49949 states and 84285 transitions. [2022-10-16 16:42:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:42:28,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-16 16:42:28,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:29,080 INFO L225 Difference]: With dead ends: 49949 [2022-10-16 16:42:29,080 INFO L226 Difference]: Without dead ends: 37366 [2022-10-16 16:42:29,113 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 [2022-10-16 16:42:29,114 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 1738 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 3111 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:29,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1738 Valid, 3111 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:42:29,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37366 states. [2022-10-16 16:42:31,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37366 to 25704. [2022-10-16 16:42:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25704 states, 25579 states have (on average 1.6823566206653895) internal successors, (43033), 25703 states have internal predecessors, (43033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:31,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25704 states to 25704 states and 43033 transitions. [2022-10-16 16:42:31,833 INFO L78 Accepts]: Start accepts. Automaton has 25704 states and 43033 transitions. Word has length 86 [2022-10-16 16:42:31,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:31,834 INFO L495 AbstractCegarLoop]: Abstraction has 25704 states and 43033 transitions. [2022-10-16 16:42:31,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand 25704 states and 43033 transitions. [2022-10-16 16:42:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:42:31,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:31,836 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, 1, 1] [2022-10-16 16:42:31,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:42:31,836 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:31,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:31,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1130596597, now seen corresponding path program 1 times [2022-10-16 16:42:31,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:31,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950873381] [2022-10-16 16:42:31,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:31,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:31,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:31,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950873381] [2022-10-16 16:42:31,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950873381] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:31,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:31,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:42:31,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156335282] [2022-10-16 16:42:31,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:31,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:42:31,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:31,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:42:31,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:31,986 INFO L87 Difference]: Start difference. First operand 25704 states and 43033 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:35,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:35,294 INFO L93 Difference]: Finished difference Result 38339 states and 64347 transitions. [2022-10-16 16:42:35,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:42:35,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 16:42:35,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:35,393 INFO L225 Difference]: With dead ends: 38339 [2022-10-16 16:42:35,393 INFO L226 Difference]: Without dead ends: 38330 [2022-10-16 16:42:35,408 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 [2022-10-16 16:42:35,408 INFO L413 NwaCegarLoop]: 738 mSDtfsCounter, 3009 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3009 SdHoareTripleChecker+Valid, 1648 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:35,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3009 Valid, 1648 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:42:35,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38330 states. [2022-10-16 16:42:38,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38330 to 38241. [2022-10-16 16:42:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38241 states, 38121 states have (on average 1.6768447837150127) internal successors, (63923), 38240 states have internal predecessors, (63923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38241 states to 38241 states and 63923 transitions. [2022-10-16 16:42:38,756 INFO L78 Accepts]: Start accepts. Automaton has 38241 states and 63923 transitions. Word has length 87 [2022-10-16 16:42:38,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:38,757 INFO L495 AbstractCegarLoop]: Abstraction has 38241 states and 63923 transitions. [2022-10-16 16:42:38,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 38241 states and 63923 transitions. [2022-10-16 16:42:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:42:38,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:38,758 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, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:38,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:42:38,759 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:38,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:38,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1685895226, now seen corresponding path program 1 times [2022-10-16 16:42:38,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:38,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679773487] [2022-10-16 16:42:38,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:38,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:38,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:38,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679773487] [2022-10-16 16:42:38,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679773487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:38,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:38,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:42:38,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688724801] [2022-10-16 16:42:38,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:38,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:38,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:38,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:38,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:38,895 INFO L87 Difference]: Start difference. First operand 38241 states and 63923 transitions. Second operand has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:41,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:41,591 INFO L93 Difference]: Finished difference Result 38241 states and 63923 transitions. [2022-10-16 16:42:41,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:41,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 16:42:41,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:41,746 INFO L225 Difference]: With dead ends: 38241 [2022-10-16 16:42:41,746 INFO L226 Difference]: Without dead ends: 38239 [2022-10-16 16:42:41,761 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 [2022-10-16 16:42:41,762 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 55 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:41,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 1671 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:42:41,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38239 states. [2022-10-16 16:42:44,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38239 to 38239. [2022-10-16 16:42:44,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38239 states, 38121 states have (on average 1.676792319194145) internal successors, (63921), 38238 states have internal predecessors, (63921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:44,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38239 states to 38239 states and 63921 transitions. [2022-10-16 16:42:44,885 INFO L78 Accepts]: Start accepts. Automaton has 38239 states and 63921 transitions. Word has length 91 [2022-10-16 16:42:44,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:44,885 INFO L495 AbstractCegarLoop]: Abstraction has 38239 states and 63921 transitions. [2022-10-16 16:42:44,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 38239 states and 63921 transitions. [2022-10-16 16:42:44,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:42:44,887 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:44,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:44,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:42:44,887 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:44,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:44,888 INFO L85 PathProgramCache]: Analyzing trace with hash -348627009, now seen corresponding path program 1 times [2022-10-16 16:42:44,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:44,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130110310] [2022-10-16 16:42:44,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:44,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:44,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:44,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130110310] [2022-10-16 16:42:44,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130110310] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:44,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:44,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:42:44,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135008925] [2022-10-16 16:42:44,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:44,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:44,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:44,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:44,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:44,996 INFO L87 Difference]: Start difference. First operand 38239 states and 63921 transitions. Second operand has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:48,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:48,182 INFO L93 Difference]: Finished difference Result 38239 states and 63921 transitions. [2022-10-16 16:42:48,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:48,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 16:42:48,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:48,251 INFO L225 Difference]: With dead ends: 38239 [2022-10-16 16:42:48,252 INFO L226 Difference]: Without dead ends: 38236 [2022-10-16 16:42:48,264 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 [2022-10-16 16:42:48,265 INFO L413 NwaCegarLoop]: 838 mSDtfsCounter, 799 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:48,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 838 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:42:48,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38236 states. [2022-10-16 16:42:51,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38236 to 38236. [2022-10-16 16:42:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38236 states, 38121 states have (on average 1.6685553894179062) internal successors, (63607), 38235 states have internal predecessors, (63607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:51,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38236 states to 38236 states and 63607 transitions. [2022-10-16 16:42:51,461 INFO L78 Accepts]: Start accepts. Automaton has 38236 states and 63607 transitions. Word has length 95 [2022-10-16 16:42:51,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:51,462 INFO L495 AbstractCegarLoop]: Abstraction has 38236 states and 63607 transitions. [2022-10-16 16:42:51,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 38236 states and 63607 transitions. [2022-10-16 16:42:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:42:51,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:51,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:51,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:42:51,464 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:51,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:51,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2077464973, now seen corresponding path program 1 times [2022-10-16 16:42:51,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:51,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092971068] [2022-10-16 16:42:51,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:51,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:51,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:51,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092971068] [2022-10-16 16:42:51,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092971068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:51,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:51,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:42:51,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867498041] [2022-10-16 16:42:51,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:51,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:51,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:51,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:51,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:51,594 INFO L87 Difference]: Start difference. First operand 38236 states and 63607 transitions. Second operand has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:55,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:55,221 INFO L93 Difference]: Finished difference Result 38236 states and 63607 transitions. [2022-10-16 16:42:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:42:55,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 16:42:55,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:55,277 INFO L225 Difference]: With dead ends: 38236 [2022-10-16 16:42:55,277 INFO L226 Difference]: Without dead ends: 38233 [2022-10-16 16:42:55,287 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 [2022-10-16 16:42:55,288 INFO L413 NwaCegarLoop]: 838 mSDtfsCounter, 795 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:55,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 838 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:42:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38233 states. [2022-10-16 16:42:58,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38233 to 38233. [2022-10-16 16:42:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38233 states, 38121 states have (on average 1.6603184596416674) internal successors, (63293), 38232 states have internal predecessors, (63293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:58,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38233 states to 38233 states and 63293 transitions. [2022-10-16 16:42:58,715 INFO L78 Accepts]: Start accepts. Automaton has 38233 states and 63293 transitions. Word has length 96 [2022-10-16 16:42:58,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:58,715 INFO L495 AbstractCegarLoop]: Abstraction has 38233 states and 63293 transitions. [2022-10-16 16:42:58,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:58,715 INFO L276 IsEmpty]: Start isEmpty. Operand 38233 states and 63293 transitions. [2022-10-16 16:42:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 16:42:58,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:58,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:58,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:42:58,717 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:42:58,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:58,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1178811088, now seen corresponding path program 1 times [2022-10-16 16:42:58,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:58,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425568] [2022-10-16 16:42:58,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:58,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:58,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:58,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:58,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425568] [2022-10-16 16:42:58,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:58,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:58,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:42:58,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215840773] [2022-10-16 16:42:58,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:58,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:58,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:58,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:58,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:58,855 INFO L87 Difference]: Start difference. First operand 38233 states and 63293 transitions. Second operand has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:02,257 INFO L93 Difference]: Finished difference Result 38233 states and 63293 transitions. [2022-10-16 16:43:02,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:02,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-16 16:43:02,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:02,321 INFO L225 Difference]: With dead ends: 38233 [2022-10-16 16:43:02,322 INFO L226 Difference]: Without dead ends: 38229 [2022-10-16 16:43:02,335 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 [2022-10-16 16:43:02,336 INFO L413 NwaCegarLoop]: 867 mSDtfsCounter, 784 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:02,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 867 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:43:02,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38229 states. [2022-10-16 16:43:05,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38229 to 38229. [2022-10-16 16:43:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38229 states, 38121 states have (on average 1.6520552976049947) internal successors, (62978), 38228 states have internal predecessors, (62978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:05,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38229 states to 38229 states and 62978 transitions. [2022-10-16 16:43:05,475 INFO L78 Accepts]: Start accepts. Automaton has 38229 states and 62978 transitions. Word has length 102 [2022-10-16 16:43:05,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:05,476 INFO L495 AbstractCegarLoop]: Abstraction has 38229 states and 62978 transitions. [2022-10-16 16:43:05,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 38229 states and 62978 transitions. [2022-10-16 16:43:05,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 16:43:05,477 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:05,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:05,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:43:05,478 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:43:05,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:05,478 INFO L85 PathProgramCache]: Analyzing trace with hash 2111562327, now seen corresponding path program 1 times [2022-10-16 16:43:05,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:05,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529463787] [2022-10-16 16:43:05,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:05,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:05,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:05,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:05,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529463787] [2022-10-16 16:43:05,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529463787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:05,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:05,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:43:05,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050444060] [2022-10-16 16:43:05,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:05,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:43:05,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:05,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:43:05,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:05,614 INFO L87 Difference]: Start difference. First operand 38229 states and 62978 transitions. Second operand has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:08,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:08,968 INFO L93 Difference]: Finished difference Result 38229 states and 62978 transitions. [2022-10-16 16:43:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:08,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-10-16 16:43:08,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:09,019 INFO L225 Difference]: With dead ends: 38229 [2022-10-16 16:43:09,019 INFO L226 Difference]: Without dead ends: 38225 [2022-10-16 16:43:09,028 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 [2022-10-16 16:43:09,029 INFO L413 NwaCegarLoop]: 867 mSDtfsCounter, 779 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:09,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 867 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:43:09,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38225 states. [2022-10-16 16:43:12,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38225 to 38225. [2022-10-16 16:43:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38225 states, 38121 states have (on average 1.6437921355683218) internal successors, (62663), 38224 states have internal predecessors, (62663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:12,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38225 states to 38225 states and 62663 transitions. [2022-10-16 16:43:12,373 INFO L78 Accepts]: Start accepts. Automaton has 38225 states and 62663 transitions. Word has length 103 [2022-10-16 16:43:12,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:12,373 INFO L495 AbstractCegarLoop]: Abstraction has 38225 states and 62663 transitions. [2022-10-16 16:43:12,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 38225 states and 62663 transitions. [2022-10-16 16:43:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:43:12,375 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:12,375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:12,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:43:12,375 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:43:12,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:12,376 INFO L85 PathProgramCache]: Analyzing trace with hash -2104943622, now seen corresponding path program 1 times [2022-10-16 16:43:12,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:12,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185970364] [2022-10-16 16:43:12,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:12,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:12,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:12,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185970364] [2022-10-16 16:43:12,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185970364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:12,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:12,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:43:12,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588647668] [2022-10-16 16:43:12,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:12,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:43:12,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:12,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:43:12,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:12,484 INFO L87 Difference]: Start difference. First operand 38225 states and 62663 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 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) [2022-10-16 16:43:15,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:15,775 INFO L93 Difference]: Finished difference Result 38225 states and 62663 transitions. [2022-10-16 16:43:15,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:15,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 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 109 [2022-10-16 16:43:15,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:15,839 INFO L225 Difference]: With dead ends: 38225 [2022-10-16 16:43:15,840 INFO L226 Difference]: Without dead ends: 38219 [2022-10-16 16:43:15,849 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 [2022-10-16 16:43:15,850 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 765 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:15,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 849 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:43:15,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38219 states. [2022-10-16 16:43:19,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38219 to 38219. [2022-10-16 16:43:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38219 states, 38121 states have (on average 1.6354765090107815) internal successors, (62346), 38218 states have internal predecessors, (62346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38219 states to 38219 states and 62346 transitions. [2022-10-16 16:43:19,307 INFO L78 Accepts]: Start accepts. Automaton has 38219 states and 62346 transitions. Word has length 109 [2022-10-16 16:43:19,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:19,307 INFO L495 AbstractCegarLoop]: Abstraction has 38219 states and 62346 transitions. [2022-10-16 16:43:19,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 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) [2022-10-16 16:43:19,308 INFO L276 IsEmpty]: Start isEmpty. Operand 38219 states and 62346 transitions. [2022-10-16 16:43:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:43:19,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:19,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:19,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:43:19,309 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:43:19,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:19,309 INFO L85 PathProgramCache]: Analyzing trace with hash -828742424, now seen corresponding path program 1 times [2022-10-16 16:43:19,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:19,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031683817] [2022-10-16 16:43:19,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:19,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:19,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:19,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031683817] [2022-10-16 16:43:19,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031683817] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:19,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:19,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:43:19,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621163597] [2022-10-16 16:43:19,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:19,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:43:19,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:19,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:43:19,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:19,426 INFO L87 Difference]: Start difference. First operand 38219 states and 62346 transitions. Second operand has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 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) [2022-10-16 16:43:23,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:23,237 INFO L93 Difference]: Finished difference Result 38219 states and 62346 transitions. [2022-10-16 16:43:23,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:23,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 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 110 [2022-10-16 16:43:23,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:23,301 INFO L225 Difference]: With dead ends: 38219 [2022-10-16 16:43:23,301 INFO L226 Difference]: Without dead ends: 38213 [2022-10-16 16:43:23,310 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 [2022-10-16 16:43:23,312 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 758 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:23,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 849 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:43:23,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38213 states. [2022-10-16 16:43:27,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38213 to 38213. [2022-10-16 16:43:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38213 states, 38121 states have (on average 1.627160882453241) internal successors, (62029), 38212 states have internal predecessors, (62029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38213 states to 38213 states and 62029 transitions. [2022-10-16 16:43:27,104 INFO L78 Accepts]: Start accepts. Automaton has 38213 states and 62029 transitions. Word has length 110 [2022-10-16 16:43:27,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:27,105 INFO L495 AbstractCegarLoop]: Abstraction has 38213 states and 62029 transitions. [2022-10-16 16:43:27,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 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) [2022-10-16 16:43:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 38213 states and 62029 transitions. [2022-10-16 16:43:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 16:43:27,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:27,106 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:27,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:43:27,106 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:43:27,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:27,107 INFO L85 PathProgramCache]: Analyzing trace with hash -2049909682, now seen corresponding path program 1 times [2022-10-16 16:43:27,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:27,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902872713] [2022-10-16 16:43:27,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:27,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:27,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:27,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902872713] [2022-10-16 16:43:27,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902872713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:27,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:27,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:43:27,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205383375] [2022-10-16 16:43:27,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:27,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:43:27,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:27,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:43:27,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:27,227 INFO L87 Difference]: Start difference. First operand 38213 states and 62029 transitions. Second operand has 3 states, 2 states have (on average 72.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:30,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:30,954 INFO L93 Difference]: Finished difference Result 38213 states and 62029 transitions. [2022-10-16 16:43:30,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:30,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 72.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2022-10-16 16:43:30,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:31,022 INFO L225 Difference]: With dead ends: 38213 [2022-10-16 16:43:31,022 INFO L226 Difference]: Without dead ends: 38210 [2022-10-16 16:43:31,034 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 [2022-10-16 16:43:31,035 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 737 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:31,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 925 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:43:31,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38210 states. [2022-10-16 16:43:34,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38210 to 38210. [2022-10-16 16:43:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38210 states, 38121 states have (on average 1.6189239526770023) internal successors, (61715), 38209 states have internal predecessors, (61715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38210 states to 38210 states and 61715 transitions. [2022-10-16 16:43:34,792 INFO L78 Accepts]: Start accepts. Automaton has 38210 states and 61715 transitions. Word has length 144 [2022-10-16 16:43:34,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:34,792 INFO L495 AbstractCegarLoop]: Abstraction has 38210 states and 61715 transitions. [2022-10-16 16:43:34,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 72.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:34,793 INFO L276 IsEmpty]: Start isEmpty. Operand 38210 states and 61715 transitions. [2022-10-16 16:43:34,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 16:43:34,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:34,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:34,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:43:34,794 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:43:34,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:34,795 INFO L85 PathProgramCache]: Analyzing trace with hash 877309815, now seen corresponding path program 1 times [2022-10-16 16:43:34,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:34,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84115048] [2022-10-16 16:43:34,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:34,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:34,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:34,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84115048] [2022-10-16 16:43:34,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84115048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:34,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:34,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:34,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143058945] [2022-10-16 16:43:34,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:34,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:34,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:34,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:34,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:34,966 INFO L87 Difference]: Start difference. First operand 38210 states and 61715 transitions. Second operand has 4 states, 3 states have (on average 48.333333333333336) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:39,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:39,004 INFO L93 Difference]: Finished difference Result 38210 states and 61715 transitions. [2022-10-16 16:43:39,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:43:39,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 48.333333333333336) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2022-10-16 16:43:39,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:39,069 INFO L225 Difference]: With dead ends: 38210 [2022-10-16 16:43:39,070 INFO L226 Difference]: Without dead ends: 38207 [2022-10-16 16:43:39,080 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 [2022-10-16 16:43:39,081 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 690 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:39,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 1768 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:43:39,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38207 states. [2022-10-16 16:43:42,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38207 to 38207. [2022-10-16 16:43:42,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38207 states, 38121 states have (on average 1.6106870229007633) internal successors, (61401), 38206 states have internal predecessors, (61401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:42,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38207 states to 38207 states and 61401 transitions. [2022-10-16 16:43:42,796 INFO L78 Accepts]: Start accepts. Automaton has 38207 states and 61401 transitions. Word has length 145 [2022-10-16 16:43:42,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:42,796 INFO L495 AbstractCegarLoop]: Abstraction has 38207 states and 61401 transitions. [2022-10-16 16:43:42,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 48.333333333333336) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 38207 states and 61401 transitions. [2022-10-16 16:43:42,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-10-16 16:43:42,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:42,798 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:42,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:43:42,798 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr174ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:43:42,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:42,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1384833929, now seen corresponding path program 1 times [2022-10-16 16:43:42,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:42,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421963951] [2022-10-16 16:43:42,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:42,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:42,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:42,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421963951] [2022-10-16 16:43:42,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421963951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:42,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:42,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:42,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704182273] [2022-10-16 16:43:42,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:42,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:43:42,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:42,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:43:42,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:42,960 INFO L87 Difference]: Start difference. First operand 38207 states and 61401 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:49,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:49,105 INFO L93 Difference]: Finished difference Result 91381 states and 147051 transitions. [2022-10-16 16:43:49,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:49,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 218 [2022-10-16 16:43:49,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:49,206 INFO L225 Difference]: With dead ends: 91381 [2022-10-16 16:43:49,206 INFO L226 Difference]: Without dead ends: 56544 [2022-10-16 16:43:49,248 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 [2022-10-16 16:43:49,249 INFO L413 NwaCegarLoop]: 838 mSDtfsCounter, 512 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:49,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 1370 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:43:49,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56544 states. [2022-10-16 16:43:54,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56544 to 56397. [2022-10-16 16:43:55,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56397 states, 56311 states have (on average 1.6070217186695317) internal successors, (90493), 56396 states have internal predecessors, (90493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56397 states to 56397 states and 90493 transitions. [2022-10-16 16:43:55,132 INFO L78 Accepts]: Start accepts. Automaton has 56397 states and 90493 transitions. Word has length 218 [2022-10-16 16:43:55,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:55,133 INFO L495 AbstractCegarLoop]: Abstraction has 56397 states and 90493 transitions. [2022-10-16 16:43:55,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 56397 states and 90493 transitions. [2022-10-16 16:43:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-10-16 16:43:55,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:55,135 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:55,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:43:55,136 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:43:55,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:55,136 INFO L85 PathProgramCache]: Analyzing trace with hash 189529449, now seen corresponding path program 1 times [2022-10-16 16:43:55,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:55,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221830249] [2022-10-16 16:43:55,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:55,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:55,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:55,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:55,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221830249] [2022-10-16 16:43:55,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221830249] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:55,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:55,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:55,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254876854] [2022-10-16 16:43:55,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:55,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:55,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:55,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:55,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:55,357 INFO L87 Difference]: Start difference. First operand 56397 states and 90493 transitions. Second operand has 4 states, 3 states have (on average 72.66666666666667) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:03,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:44:03,030 INFO L93 Difference]: Finished difference Result 73798 states and 118297 transitions. [2022-10-16 16:44:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:44:03,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 72.66666666666667) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 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 218 [2022-10-16 16:44:03,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:44:03,181 INFO L225 Difference]: With dead ends: 73798 [2022-10-16 16:44:03,181 INFO L226 Difference]: Without dead ends: 73792 [2022-10-16 16:44:03,202 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 [2022-10-16 16:44:03,202 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 695 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:44:03,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 1821 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:44:03,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73792 states. [2022-10-16 16:44:10,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73792 to 67946. [2022-10-16 16:44:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67946 states, 67863 states have (on average 1.603259508126667) internal successors, (108802), 67945 states have internal predecessors, (108802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67946 states to 67946 states and 108802 transitions. [2022-10-16 16:44:10,594 INFO L78 Accepts]: Start accepts. Automaton has 67946 states and 108802 transitions. Word has length 218 [2022-10-16 16:44:10,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:44:10,594 INFO L495 AbstractCegarLoop]: Abstraction has 67946 states and 108802 transitions. [2022-10-16 16:44:10,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 72.66666666666667) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 67946 states and 108802 transitions. [2022-10-16 16:44:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-10-16 16:44:10,596 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:44:10,596 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:44:10,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:44:10,596 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr174ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:44:10,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:44:10,597 INFO L85 PathProgramCache]: Analyzing trace with hash 362249235, now seen corresponding path program 1 times [2022-10-16 16:44:10,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:44:10,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720510453] [2022-10-16 16:44:10,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:44:10,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:44:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:44:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:44:10,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:44:10,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720510453] [2022-10-16 16:44:10,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720510453] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:44:10,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:44:10,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:44:10,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752059507] [2022-10-16 16:44:10,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:44:10,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:44:10,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:44:10,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:44:10,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:44:10,731 INFO L87 Difference]: Start difference. First operand 67946 states and 108802 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:25,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:44:25,856 INFO L93 Difference]: Finished difference Result 200373 states and 320653 transitions. [2022-10-16 16:44:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:44:25,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 219 [2022-10-16 16:44:25,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:44:26,149 INFO L225 Difference]: With dead ends: 200373 [2022-10-16 16:44:26,149 INFO L226 Difference]: Without dead ends: 132503 [2022-10-16 16:44:26,229 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 [2022-10-16 16:44:26,230 INFO L413 NwaCegarLoop]: 924 mSDtfsCounter, 749 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:44:26,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 1772 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:44:26,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132503 states. [2022-10-16 16:44:41,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132503 to 132396. [2022-10-16 16:44:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132396 states, 132313 states have (on average 1.5931692275135474) internal successors, (210797), 132395 states have internal predecessors, (210797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:42,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132396 states to 132396 states and 210797 transitions. [2022-10-16 16:44:42,102 INFO L78 Accepts]: Start accepts. Automaton has 132396 states and 210797 transitions. Word has length 219 [2022-10-16 16:44:42,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:44:42,102 INFO L495 AbstractCegarLoop]: Abstraction has 132396 states and 210797 transitions. [2022-10-16 16:44:42,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:42,103 INFO L276 IsEmpty]: Start isEmpty. Operand 132396 states and 210797 transitions. [2022-10-16 16:44:42,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-10-16 16:44:42,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:44:42,106 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:44:42,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:44:42,107 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr174ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 16:44:42,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:44:42,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1012124563, now seen corresponding path program 1 times [2022-10-16 16:44:42,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:44:42,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783727594] [2022-10-16 16:44:42,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:44:42,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:44:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:44:42,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:44:42,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:44:42,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783727594] [2022-10-16 16:44:42,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783727594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:44:42,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:44:42,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:44:42,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684047900] [2022-10-16 16:44:42,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:44:42,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:44:42,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:44:42,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:44:42,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:44:42,294 INFO L87 Difference]: Start difference. First operand 132396 states and 210797 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)