/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:34:27,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:34:27,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:34:27,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:34:27,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:34:27,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:34:27,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:34:27,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:34:27,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:34:27,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:34:27,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:34:27,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:34:27,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:34:27,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:34:27,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:34:27,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:34:27,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:34:27,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:34:27,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:34:27,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:34:27,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:34:27,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:34:27,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:34:27,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:34:27,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:34:27,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:34:27,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:34:27,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:34:27,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:34:27,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:34:27,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:34:27,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:34:27,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:34:27,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:34:27,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:34:27,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:34:27,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:34:27,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:34:27,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:34:27,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:34:27,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:34:27,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 22:34:27,436 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:34:27,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:34:27,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:34:27,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:34:27,438 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:34:27,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:34:27,438 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:34:27,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:34:27,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:34:27,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:34:27,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:34:27,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:34:27,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:34:27,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:34:27,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:34:27,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:34:27,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:34:27,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:34:27,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:34:27,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:34:27,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:34:27,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:34:27,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:34:27,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:34:27,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:34:27,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:34:27,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:34:27,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:34:27,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:34:27,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:34:27,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:34:27,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:34:27,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:34:27,954 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:34:27,954 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:34:27,955 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-09-24 22:34:28,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bad451ebe/d614f15924ca4fa9b7bcf732b0cc2d90/FLAG19931fe02 [2020-09-24 22:34:28,688 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:34:28,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-09-24 22:34:28,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bad451ebe/d614f15924ca4fa9b7bcf732b0cc2d90/FLAG19931fe02 [2020-09-24 22:34:28,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bad451ebe/d614f15924ca4fa9b7bcf732b0cc2d90 [2020-09-24 22:34:28,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:34:28,983 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:34:28,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:34:28,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:34:28,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:34:28,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:34:28" (1/1) ... [2020-09-24 22:34:28,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c46e88b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:28, skipping insertion in model container [2020-09-24 22:34:28,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:34:28" (1/1) ... [2020-09-24 22:34:29,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:34:29,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:34:29,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:34:29,645 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:34:29,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:34:29,813 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:34:29,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:29 WrapperNode [2020-09-24 22:34:29,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:34:29,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:34:29,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:34:29,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:34:29,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:29" (1/1) ... [2020-09-24 22:34:29,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:29" (1/1) ... [2020-09-24 22:34:29,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:29" (1/1) ... [2020-09-24 22:34:29,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:29" (1/1) ... [2020-09-24 22:34:29,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:29" (1/1) ... [2020-09-24 22:34:29,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:29" (1/1) ... [2020-09-24 22:34:29,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:29" (1/1) ... [2020-09-24 22:34:29,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:34:29,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:34:29,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:34:29,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:34:29,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:34:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:34:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:34:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:34:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:34:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:34:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:34:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:34:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:34:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:34:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:34:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:34:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:34:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:34:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 22:34:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 22:34:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:34:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:34:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:34:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:34:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:34:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:34:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:34:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:34:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:34:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:34:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:34:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:34:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:34:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:34:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:34:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:34:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:34:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:34:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:34:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:34:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:34:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:34:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:34:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:34:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:34:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:34:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:34:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:34:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:34:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:34:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:34:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:34:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:34:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:34:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:34:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:34:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:34:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:34:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:34:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 22:34:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 22:34:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:34:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:34:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:34:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:34:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:34:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:34:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:34:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:34:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:34:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:34:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:34:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:34:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:34:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:34:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:34:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:34:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:34:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:34:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:34:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:34:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:34:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:34:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:34:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:34:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:34:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:34:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:34:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:34:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:34:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:34:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:34:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:34:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:34:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:34:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:34:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:34:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:34:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:34:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:34:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:34:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:34:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:34:31,188 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:34:31,189 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:34:31,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:34:31 BoogieIcfgContainer [2020-09-24 22:34:31,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:34:31,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:34:31,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:34:31,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:34:31,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:34:28" (1/3) ... [2020-09-24 22:34:31,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e81f750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:34:31, skipping insertion in model container [2020-09-24 22:34:31,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:34:29" (2/3) ... [2020-09-24 22:34:31,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e81f750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:34:31, skipping insertion in model container [2020-09-24 22:34:31,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:34:31" (3/3) ... [2020-09-24 22:34:31,207 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-09-24 22:34:31,219 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:34:31,232 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:34:31,256 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:34:31,291 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:34:31,291 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:34:31,291 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:34:31,291 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:34:31,291 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:34:31,292 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:34:31,292 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:34:31,292 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:34:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-09-24 22:34:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 22:34:31,344 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:34:31,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:34:31,346 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:34:31,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:34:31,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1626360374, now seen corresponding path program 1 times [2020-09-24 22:34:31,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:34:31,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982860664] [2020-09-24 22:34:31,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:34:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:31,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:32,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:33,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:33,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:36,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:36,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:36,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 22:34:36,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:34:36,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-24 22:34:36,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:34:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-24 22:34:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:34:36,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 17 [2020-09-24 22:34:37,338 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:34:37,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:37,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:37,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:37,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:34:37,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:37,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-24 22:34:37,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:37,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:37,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:34:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:37,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:37,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:37,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:37,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:37,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:34:37,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:37,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:37,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:37,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:37,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:34:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:37,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:37,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:37,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:37,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:37,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 22:34:37,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:37,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:37,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:34:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:37,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:37,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:37,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:37,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:37,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:34:37,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:37,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:37,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:37,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:37,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:37,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:34:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:37,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:37,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:37,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:37,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:37,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:34:37,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:37,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:37,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:37,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:37,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:34:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:37,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:37,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:37,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:34:37,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:37,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:34:37,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:37,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:37,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:37,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:37,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:34:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:37,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:37,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:37,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:34:37,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:37,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:34:37,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:37,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:37,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:37,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:37,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:37,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:37,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:37,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:37,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:37,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:37,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:37,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:37,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:37,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:37,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:37,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:37,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 22:34:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:37,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:37,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:37,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:37,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:37,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:34:37,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:37,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:34:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:34:37,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:37,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 22:34:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:37,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:37,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:37,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:37,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:37,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:34:37,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:37,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:34:37,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:34:37,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:34:37,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982860664] [2020-09-24 22:34:37,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:34:37,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:34:37,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762401330] [2020-09-24 22:34:37,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:34:37,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:34:37,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:34:37,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:34:37,861 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 9 states. [2020-09-24 22:34:38,475 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:34:39,267 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:34:39,628 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:34:41,113 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:34:41,423 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:34:41,774 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:34:42,231 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:34:42,546 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:34:42,845 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:34:43,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:34:43,826 INFO L93 Difference]: Finished difference Result 633 states and 770 transitions. [2020-09-24 22:34:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:34:43,828 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 22:34:43,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:34:43,851 INFO L225 Difference]: With dead ends: 633 [2020-09-24 22:34:43,852 INFO L226 Difference]: Without dead ends: 428 [2020-09-24 22:34:43,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:34:43,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2020-09-24 22:34:43,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 377. [2020-09-24 22:34:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-09-24 22:34:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 423 transitions. [2020-09-24 22:34:43,996 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 423 transitions. Word has length 160 [2020-09-24 22:34:43,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:34:43,997 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 423 transitions. [2020-09-24 22:34:43,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:34:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 423 transitions. [2020-09-24 22:34:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 22:34:44,003 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:34:44,003 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:34:44,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:34:44,004 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:34:44,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:34:44,005 INFO L82 PathProgramCache]: Analyzing trace with hash 780568910, now seen corresponding path program 1 times [2020-09-24 22:34:44,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:34:44,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290185826] [2020-09-24 22:34:44,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:34:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:44,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 22:34:45,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1039 [2020-09-24 22:34:45,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:34:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-24 22:34:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:34:45,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,491 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:34:45,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:34:45,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-24 22:34:45,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:34:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:45,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:45,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:45,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:34:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:45,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:45,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:45,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:45,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:45,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:34:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:45,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:34:45,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:45,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:45,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:45,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:34:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:45,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:34:45,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:45,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:45,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:45,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:34:45,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:34:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:34:45,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:45,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:45,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:45,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:45,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 22:34:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:34:45,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:45,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:45,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:45,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:45,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 22:34:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:34:45,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:45,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:45,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:45,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:45,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:45,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:45,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:45,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 22:34:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 22:34:45,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 22:34:45,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:34:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:34:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:34:45,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:34:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:45,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:45,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:45,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 22:34:45,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 22:34:45,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:34:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:34:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:34:45,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:45,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:34:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:46,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:46,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:46,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:34:46,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 22:34:46,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:34:46,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:34:46,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:34:46,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:34:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:46,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:46,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:46,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:34:46,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:46,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:34:46,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:46,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:46,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:46,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:46,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:34:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:46,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:46,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:46,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:34:46,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:34:46,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:46,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:46,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 22:34:46,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:46,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:46,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 22:34:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:46,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:46,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:46,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:46,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:46,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:46,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:34:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:46,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:46,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 22:34:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:46,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:46,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:46,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:46,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:46,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:34:46,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:34:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:46,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:34:46,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290185826] [2020-09-24 22:34:46,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:34:46,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 22:34:46,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67796549] [2020-09-24 22:34:46,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 22:34:46,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:34:46,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 22:34:46,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 22:34:46,235 INFO L87 Difference]: Start difference. First operand 377 states and 423 transitions. Second operand 11 states. [2020-09-24 22:34:47,981 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:34:48,280 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:34:48,594 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:34:48,899 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:34:49,234 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 22:34:49,502 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:34:50,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:34:50,676 INFO L93 Difference]: Finished difference Result 811 states and 1008 transitions. [2020-09-24 22:34:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 22:34:50,677 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-09-24 22:34:50,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:34:50,685 INFO L225 Difference]: With dead ends: 811 [2020-09-24 22:34:50,685 INFO L226 Difference]: Without dead ends: 549 [2020-09-24 22:34:50,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 22:34:50,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-24 22:34:50,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 394. [2020-09-24 22:34:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-09-24 22:34:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 446 transitions. [2020-09-24 22:34:50,762 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 446 transitions. Word has length 212 [2020-09-24 22:34:50,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:34:50,763 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 446 transitions. [2020-09-24 22:34:50,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 22:34:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 446 transitions. [2020-09-24 22:34:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 22:34:50,767 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:34:50,767 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:34:50,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:34:50,768 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:34:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:34:50,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1521019229, now seen corresponding path program 1 times [2020-09-24 22:34:50,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:34:50,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041899468] [2020-09-24 22:34:50,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:34:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:50,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:50,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:51,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:51,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:54,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:55,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:55,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-09-24 22:34:55,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:34:55,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-24 22:34:55,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:55,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:34:55,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-09-24 22:34:55,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 22:34:55,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:56,221 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:34:56,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:34:56,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 22:34:56,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:56,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:56,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:34:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:56,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:56,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:56,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:56,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:34:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:56,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:56,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:56,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:56,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:34:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:56,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:34:56,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:56,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:34:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:34:56,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:56,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:56,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:56,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:34:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:34:56,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:56,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:56,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:56,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:34:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 22:34:56,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 22:34:56,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:34:56,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 22:34:56,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:56,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:34:56,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:56,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:56,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:56,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:56,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:56,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:34:56,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:56,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:56,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 22:34:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 22:34:56,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:34:56,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:34:56,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:34:56,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:34:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:56,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:34:56,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:34:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:34:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:56,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 22:34:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:34:56,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:34:56,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:34:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:34:56,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:56,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:34:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:56,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:34:56,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:56,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:56,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:34:56,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 22:34:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 22:34:56,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:34:56,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-24 22:34:56,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:34:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 22:34:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:34:56,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:56,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:34:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 22:34:56,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 22:34:56,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:34:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:34:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:34:56,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:56,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:34:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:56,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:56,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:56,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:34:56,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:56,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 22:34:57,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:57,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:34:57,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:34:57,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:34:57,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:57,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:34:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:57,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:57,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:57,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:34:57,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:57,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:34:57,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:57,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:34:57,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:34:57,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:34:57,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:57,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:34:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:57,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:57,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:57,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:34:57,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:57,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:34:57,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:57,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 22:34:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:57,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:57,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 22:34:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:57,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:57,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:57,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:57,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:34:57,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:34:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:57,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:57,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 22:34:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:34:57,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:34:57,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:34:57,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:34:57,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:34:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:34:57,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:34:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:34:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:34:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:34:57,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:34:57,251 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-24 22:34:57,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041899468] [2020-09-24 22:34:57,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:34:57,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 22:34:57,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036590660] [2020-09-24 22:34:57,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 22:34:57,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:34:57,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 22:34:57,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:34:57,255 INFO L87 Difference]: Start difference. First operand 394 states and 446 transitions. Second operand 15 states. [2020-09-24 22:34:58,976 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:34:59,228 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:34:59,502 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:34:59,837 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 22:35:00,164 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 22:35:00,499 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:00,832 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:01,172 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:35:01,535 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:01,898 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:02,208 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:03,091 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:03,430 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:05,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:05,929 INFO L93 Difference]: Finished difference Result 1049 states and 1379 transitions. [2020-09-24 22:35:05,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 22:35:05,931 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 235 [2020-09-24 22:35:05,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:05,943 INFO L225 Difference]: With dead ends: 1049 [2020-09-24 22:35:05,943 INFO L226 Difference]: Without dead ends: 770 [2020-09-24 22:35:05,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=210, Invalid=782, Unknown=0, NotChecked=0, Total=992 [2020-09-24 22:35:05,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-09-24 22:35:06,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 634. [2020-09-24 22:35:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-09-24 22:35:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 759 transitions. [2020-09-24 22:35:06,054 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 759 transitions. Word has length 235 [2020-09-24 22:35:06,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:06,055 INFO L479 AbstractCegarLoop]: Abstraction has 634 states and 759 transitions. [2020-09-24 22:35:06,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 22:35:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 759 transitions. [2020-09-24 22:35:06,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-24 22:35:06,060 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:06,060 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:06,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:35:06,061 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:06,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:06,061 INFO L82 PathProgramCache]: Analyzing trace with hash 565399207, now seen corresponding path program 1 times [2020-09-24 22:35:06,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:06,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772277240] [2020-09-24 22:35:06,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:06,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:06,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:06,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:07,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-09-24 22:35:11,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:35:11,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-24 22:35:11,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-24 22:35:11,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 22:35:11,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:11,469 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:11,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:11,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-24 22:35:11,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:11,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:11,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:11,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:11,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:11,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:11,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:11,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:11,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:11,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:11,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:35:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 22:35:11,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:35:11,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 22:35:11,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:11,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:11,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:11,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:11,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 22:35:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 22:35:11,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:35:11,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 22:35:11,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:11,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:11,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 22:35:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:11,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:11,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 22:35:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:11,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:35:11,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:35:11,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:11,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:11,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:11,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:11,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 22:35:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 22:35:11,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 22:35:11,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-24 22:35:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 22:35:11,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:35:11,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:11,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:11,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:35:11,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:11,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:11,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:11,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:11,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:11,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:11,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:11,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 22:35:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:11,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:11,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:11,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:11,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 22:35:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:11,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:11,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:11,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:11,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:11,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:11,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:11,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:11,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:11,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:11,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:11,980 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-24 22:35:11,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772277240] [2020-09-24 22:35:11,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:35:11,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 22:35:11,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631845992] [2020-09-24 22:35:11,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 22:35:11,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:11,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 22:35:11,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-24 22:35:11,984 INFO L87 Difference]: Start difference. First operand 634 states and 759 transitions. Second operand 7 states. [2020-09-24 22:35:13,117 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:15,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:15,052 INFO L93 Difference]: Finished difference Result 1682 states and 2275 transitions. [2020-09-24 22:35:15,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:35:15,053 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-09-24 22:35:15,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:15,061 INFO L225 Difference]: With dead ends: 1682 [2020-09-24 22:35:15,061 INFO L226 Difference]: Without dead ends: 1131 [2020-09-24 22:35:15,065 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-09-24 22:35:15,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2020-09-24 22:35:15,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 918. [2020-09-24 22:35:15,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-09-24 22:35:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1115 transitions. [2020-09-24 22:35:15,187 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1115 transitions. Word has length 245 [2020-09-24 22:35:15,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:15,187 INFO L479 AbstractCegarLoop]: Abstraction has 918 states and 1115 transitions. [2020-09-24 22:35:15,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 22:35:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1115 transitions. [2020-09-24 22:35:15,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 22:35:15,191 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:15,192 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:15,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:35:15,192 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:15,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:15,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1458218959, now seen corresponding path program 1 times [2020-09-24 22:35:15,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:15,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999761159] [2020-09-24 22:35:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:15,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:15,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking...