/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 SequenceOfStatements --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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:39:33,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:39:33,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:39:33,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:39:33,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:39:33,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:39:33,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:39:33,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:39:33,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:39:33,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:39:33,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:39:33,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:39:33,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:39:33,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:39:33,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:39:33,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:39:33,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:39:33,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:39:33,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:39:33,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:39:33,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:39:33,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:39:33,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:39:33,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:39:33,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:39:33,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:39:33,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:39:33,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:39:33,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:39:33,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:39:33,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:39:33,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:39:33,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:39:33,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:39:33,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:39:33,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:39:33,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:39:33,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:39:33,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:39:33,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:39:33,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:39:33,945 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 [2020-10-12 16:39:33,983 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:39:33,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:39:33,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:39:33,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:39:33,985 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:39:33,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:39:33,985 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:39:33,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:39:33,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:39:33,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:39:33,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:39:33,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:39:33,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:39:33,987 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:39:33,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:39:33,987 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:39:33,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:39:33,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:39:33,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:39:33,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:39:33,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:39:33,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:39:33,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:39:33,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:39:33,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:39:33,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:39:33,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:39:33,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:39:33,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:39:33,990 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 -> SequenceOfStatements 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:39:34,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:39:34,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:39:34,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:39:34,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:39:34,279 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:39:34,280 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product25.cil.c [2020-10-12 16:39:34,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3dbafc94e/87c4ff212fb64a38970fa4872396cc5f/FLAG85fcb4989 [2020-10-12 16:39:34,904 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:39:34,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product25.cil.c [2020-10-12 16:39:34,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3dbafc94e/87c4ff212fb64a38970fa4872396cc5f/FLAG85fcb4989 [2020-10-12 16:39:35,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3dbafc94e/87c4ff212fb64a38970fa4872396cc5f [2020-10-12 16:39:35,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:39:35,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:39:35,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:39:35,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:39:35,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:39:35,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:39:35" (1/1) ... [2020-10-12 16:39:35,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3798bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:35, skipping insertion in model container [2020-10-12 16:39:35,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:39:35" (1/1) ... [2020-10-12 16:39:35,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:39:35,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:39:35,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:39:35,891 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:39:36,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:39:36,093 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:39:36,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36 WrapperNode [2020-10-12 16:39:36,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:39:36,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:39:36,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:39:36,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:39:36,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:36,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:36,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:36,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:36,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:36,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:36,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:36,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:39:36,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:39:36,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:39:36,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:39:36,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (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 [2020-10-12 16:39:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:39:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:39:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:39:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:39:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:39:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:39:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:39:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:39:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:39:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:39:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:39:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:39:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:39:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:39:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:39:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:39:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:39:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:39:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:39:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:39:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:39:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:39:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:39:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:39:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:39:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:39:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:39:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:39:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:39:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:39:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:39:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:39:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:39:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:39:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:39:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:39:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:39:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:39:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:39:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:39:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:39:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:39:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:39:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:39:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:39:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:39:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:39:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:39:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:39:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:39:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:39:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:39:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:39:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:39:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:39:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-12 16:39:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:39:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:39:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:39:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:39:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:39:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:39:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:39:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:39:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:39:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:39:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:39:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:39:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:39:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:39:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:39:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:39:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:39:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:39:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:39:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:39:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:39:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:39:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:39:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:39:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:39:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:39:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:39:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:39:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:39:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:39:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:39:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:39:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:39:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:39:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:39:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:39:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:39:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:39:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:39:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:39:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:39:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:39:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:39:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:39:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:39:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:39:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:39:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:39:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:39:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:39:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:39:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:39:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:39:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:39:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:39:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:39:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:39:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:39:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:39:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:39:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:39:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:39:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:39:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:39:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:39:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:39:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:39:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:39:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:39:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:39:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:39:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:39:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:39:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:39:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:39:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:39:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:39:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:39:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:39:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:39:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:39:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:39:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:39:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:39:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:39:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:39:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:39:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:39:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:39:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:39:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:39:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:39:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:39:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:39:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-12 16:39:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:39:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:39:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:39:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:39:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:39:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:39:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:39:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:39:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:39:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:39:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:39:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:39:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:39:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:39:38,590 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:39:38,590 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:39:38,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:39:38 BoogieIcfgContainer [2020-10-12 16:39:38,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:39:38,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:39:38,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:39:38,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:39:38,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:39:35" (1/3) ... [2020-10-12 16:39:38,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69749f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:39:38, skipping insertion in model container [2020-10-12 16:39:38,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (2/3) ... [2020-10-12 16:39:38,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69749f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:39:38, skipping insertion in model container [2020-10-12 16:39:38,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:39:38" (3/3) ... [2020-10-12 16:39:38,618 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product25.cil.c [2020-10-12 16:39:38,630 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:39:38,646 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:39:38,659 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:39:38,692 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:39:38,692 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:39:38,692 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:39:38,693 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:39:38,693 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:39:38,693 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:39:38,693 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:39:38,693 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:39:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states. [2020-10-12 16:39:38,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-12 16:39:38,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:39:38,767 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 16:39:38,767 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:39:38,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:39:38,773 INFO L82 PathProgramCache]: Analyzing trace with hash 896830833, now seen corresponding path program 1 times [2020-10-12 16:39:38,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:39:38,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137817746] [2020-10-12 16:39:38,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:39:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:39,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:39,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:39,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:44,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 16:39:44,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:39:44,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 16:39:44,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 16:39:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:44,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:39:45,295 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:39:45,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:39:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:45,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:45,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 16:39:45,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:45,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:45,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:45,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:39:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:45,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:45,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:45,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:45,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:39:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:45,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:45,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:45,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:45,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:39:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:45,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:45,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:39:45,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:45,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:45,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:39:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:45,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:39:45,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:45,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:45,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:45,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:39:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:45,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:45,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:39:45,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:45,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:45,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:45,691 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 16:39:45,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:39:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:47,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:47,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:47,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:50,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:50,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 16:39:50,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:39:50,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 16:39:50,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-12 16:39:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:50,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:50,963 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:39:50,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:39:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:50,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:50,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:50,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:51,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:51,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:51,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:52,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:39:52,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:39:52,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1124 [2020-10-12 16:39:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:39:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:52,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:52,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:52,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:52,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:39:52,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:52,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:39:52,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:52,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:39:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:52,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:52,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:39:52,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-12 16:39:52,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:52,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:39:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:52,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:52,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:39:52,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:52,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 16:39:52,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:39:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:52,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:52,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:52,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:52,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:52,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:39:52,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:39:52,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:52,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:39:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:52,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:53,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:39:53,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:39:53,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 850 [2020-10-12 16:39:53,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:53,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:53,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:39:53,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:53,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:53,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:53,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:53,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:53,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:53,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:39:53,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:53,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:39:53,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:53,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:39:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:53,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:53,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:39:53,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:53,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-12 16:39:53,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:53,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:53,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:53,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:39:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:53,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:53,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:39:53,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:53,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 16:39:53,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:39:53,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:53,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:53,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:53,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:53,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:53,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:39:53,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:53,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:39:53,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:53,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:39:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:53,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:56,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:58,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:58,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 16:39:58,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:39:58,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4293 [2020-10-12 16:39:58,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:58,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 16:39:58,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 16:39:58,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:58,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:58,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:58,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:58,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:58,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:58,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:00,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:00,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 16:40:00,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:40:00,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2105 [2020-10-12 16:40:00,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:40:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 16:40:00,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:00,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:00,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:00,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:00,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:40:00,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:00,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 16:40:00,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:40:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:00,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:40:00,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 16:40:00,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:00,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:00,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:00,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:40:00,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:40:00,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:40:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:40:00,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:00,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 16:40:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:00,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:00,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:00,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:00,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:40:00,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:00,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:40:00,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:40:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:40:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:00,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:40:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:00,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:00,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:00,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:00,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:40:00,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:00,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 16:40:00,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:40:00,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:40:00,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:40:00,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:00,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:40:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:00,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:00,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:00,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:40:00,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 16:40:00,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:00,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:40:00,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 16:40:00,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 16:40:00,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:00,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:00,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:00,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:00,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:00,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:00,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:40:00,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:00,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:00,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:00,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:40:00,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:01,144 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 16:40:01,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137817746] [2020-10-12 16:40:01,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:40:01,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2020-10-12 16:40:01,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079226707] [2020-10-12 16:40:01,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 16:40:01,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:40:01,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 16:40:01,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2020-10-12 16:40:01,171 INFO L87 Difference]: Start difference. First operand 759 states. Second operand 30 states. [2020-10-12 16:40:03,475 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:40:04,935 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:40:05,782 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:40:06,587 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:40:07,465 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:40:08,300 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:40:09,182 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:40:10,093 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:40:10,994 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:40:11,860 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:40:15,508 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:40:16,288 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:40:17,433 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:40:18,225 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:40:18,639 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 16:40:19,848 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:40:20,391 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:40:20,564 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:40:21,813 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:40:22,972 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:40:23,728 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:40:25,278 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:40:26,045 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:40:27,998 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 394 DAG size of output: 392 [2020-10-12 16:40:28,807 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:40:30,498 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 397 DAG size of output: 392 [2020-10-12 16:40:34,824 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:40:35,601 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:40:36,448 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:40:37,243 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:40:38,502 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:40:39,269 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:40:43,201 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:40:44,906 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 401 DAG size of output: 390 [2020-10-12 16:40:46,618 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 404 DAG size of output: 394 [2020-10-12 16:40:48,322 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 407 DAG size of output: 397 [2020-10-12 16:40:48,969 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 129 [2020-10-12 16:40:50,563 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 405 DAG size of output: 394 [2020-10-12 16:40:52,002 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 127 [2020-10-12 16:40:52,428 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:40:53,239 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 16:40:53,425 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:40:55,597 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:40:56,613 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:40:57,480 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:40:58,923 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:40:59,713 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:41:00,563 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:41:01,136 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 16:41:03,206 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:41:04,215 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:41:06,548 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:41:07,797 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:41:15,160 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:41:16,692 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 397 DAG size of output: 390 [2020-10-12 16:41:18,240 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 400 DAG size of output: 393 [2020-10-12 16:41:19,746 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 403 DAG size of output: 396 [2020-10-12 16:41:20,242 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 129 [2020-10-12 16:41:20,528 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 16:41:20,814 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2020-10-12 16:41:56,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:41:56,467 INFO L93 Difference]: Finished difference Result 3803 states and 6948 transitions. [2020-10-12 16:41:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2020-10-12 16:41:56,471 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 138 [2020-10-12 16:41:56,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:41:56,538 INFO L225 Difference]: With dead ends: 3803 [2020-10-12 16:41:56,539 INFO L226 Difference]: Without dead ends: 3175 [2020-10-12 16:41:56,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6139 ImplicationChecksByTransitivity, 45.9s TimeCoverageRelationStatistics Valid=2341, Invalid=14951, Unknown=0, NotChecked=0, Total=17292 [2020-10-12 16:41:56,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2020-10-12 16:41:57,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2040. [2020-10-12 16:41:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2040 states. [2020-10-12 16:41:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 3265 transitions. [2020-10-12 16:41:57,234 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 3265 transitions. Word has length 138 [2020-10-12 16:41:57,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:41:57,235 INFO L479 AbstractCegarLoop]: Abstraction has 2040 states and 3265 transitions. [2020-10-12 16:41:57,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-12 16:41:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 3265 transitions. [2020-10-12 16:41:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-12 16:41:57,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:41:57,244 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 16:41:57,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:41:57,245 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:41:57,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:41:57,246 INFO L82 PathProgramCache]: Analyzing trace with hash -310601736, now seen corresponding path program 1 times [2020-10-12 16:41:57,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:41:57,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721261941] [2020-10-12 16:41:57,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:41:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:57,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:58,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:58,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:59,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:02,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:02,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-12 16:42:02,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:42:02,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-12 16:42:02,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:42:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 16:42:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:42:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:03,084 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:42:03,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:03,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:03,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:03,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:03,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 16:42:03,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:03,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:03,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:42:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:03,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:03,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:03,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:03,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:03,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:03,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:03,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:03,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:03,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:03,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:42:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:03,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:03,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:03,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:03,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:03,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:03,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:03,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:03,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:03,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:03,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:42:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:03,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:03,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:03,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:03,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:03,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:03,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:03,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:42:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:03,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:03,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:03,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:03,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:03,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:03,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:03,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:03,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:03,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:03,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:42:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:03,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:03,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:03,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:03,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:03,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:03,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:03,361 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 16:42:03,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:42:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:03,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:08,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 16:42:08,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 16:42:08,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 16:42:08,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 16:42:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 16:42:08,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:08,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:09,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:42:09,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:42:09,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-10-12 16:42:09,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:42:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:42:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:42:09,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:09,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:09,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:09,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:42:09,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:42:09,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:42:09,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:09,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:42:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:09,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:09,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:42:09,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:42:09,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-12 16:42:09,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:09,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:09,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:42:09,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:09,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:42:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:09,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:09,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:42:09,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:09,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 16:42:09,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:09,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:42:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:42:09,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:09,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:09,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:09,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:42:09,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:09,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:42:09,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:42:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:42:09,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:09,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:42:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:09,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:09,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:10,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:11,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:11,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 16:42:11,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:42:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2162 [2020-10-12 16:42:11,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:42:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:42:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:42:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:11,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:11,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:11,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:11,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:11,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:42:11,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:11,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:42:11,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:42:11,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:11,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:42:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:11,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:11,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:11,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:11,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:11,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:11,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:11,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:12,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 16:42:12,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:42:12,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-12 16:42:12,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:12,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 16:42:12,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:12,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 16:42:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:12,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:12,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:42:12,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:42:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 16:42:12,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:42:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:42:12,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:12,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:12,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:12,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:42:12,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:12,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:42:12,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:12,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:42:12,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:12,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:42:12,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:12,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:42:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:12,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:12,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 16:42:12,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:42:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-12 16:42:12,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:42:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 16:42:12,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:42:12,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:12,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:12,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:12,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 16:42:12,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:42:12,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-12 16:42:12,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:42:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 16:42:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:42:12,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:12,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:12,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:12,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:42:12,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:12,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:12,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:12,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:12,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:12,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:12,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:12,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:12,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:12,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:42:12,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:12,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:12,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:12,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:12,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:12,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:12,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 16:42:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:12,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:12,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:42:12,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:12,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:42:12,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:42:12,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:12,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:42:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:12,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:12,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:12,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:42:12,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:12,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:42:12,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:42:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 16:42:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:42:12,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:13,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:42:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:13,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:13,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:13,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:42:13,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:13,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:42:13,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 16:42:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:13,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:13,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:13,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:13,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:13,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:13,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:13,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:13,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:13,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:13,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:13,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:13,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 16:42:13,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721261941] [2020-10-12 16:42:13,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:42:13,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 16:42:13,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909442434] [2020-10-12 16:42:13,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 16:42:13,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:42:13,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 16:42:13,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:42:13,117 INFO L87 Difference]: Start difference. First operand 2040 states and 3265 transitions. Second operand 29 states. [2020-10-12 16:42:15,421 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:42:16,656 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:42:17,471 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:42:18,279 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:42:19,182 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:42:19,992 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:42:20,842 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:42:21,606 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:42:22,453 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:42:23,381 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:42:24,525 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:42:28,975 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 16:42:30,185 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:42:30,591 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:42:31,378 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:42:31,644 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:42:32,470 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:42:36,060 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:42:44,086 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:42:45,026 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:42:45,381 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:42:46,156 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:42:46,372 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:42:47,115 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:42:53,264 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:42:55,032 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:43:13,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:43:13,234 INFO L93 Difference]: Finished difference Result 7401 states and 13438 transitions. [2020-10-12 16:43:13,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-12 16:43:13,235 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 143 [2020-10-12 16:43:13,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:43:13,285 INFO L225 Difference]: With dead ends: 7401 [2020-10-12 16:43:13,286 INFO L226 Difference]: Without dead ends: 5384 [2020-10-12 16:43:13,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1712 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=836, Invalid=5806, Unknown=0, NotChecked=0, Total=6642 [2020-10-12 16:43:13,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5384 states. [2020-10-12 16:43:14,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5384 to 3549. [2020-10-12 16:43:14,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3549 states. [2020-10-12 16:43:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 5677 transitions. [2020-10-12 16:43:14,328 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 5677 transitions. Word has length 143 [2020-10-12 16:43:14,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:43:14,331 INFO L479 AbstractCegarLoop]: Abstraction has 3549 states and 5677 transitions. [2020-10-12 16:43:14,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 16:43:14,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 5677 transitions. [2020-10-12 16:43:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 16:43:14,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:43:14,342 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 16:43:14,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:43:14,343 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:43:14,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:43:14,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1140437039, now seen corresponding path program 1 times [2020-10-12 16:43:14,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:43:14,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165655695] [2020-10-12 16:43:14,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:43:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:14,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:14,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:14,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:14,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:15,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:15,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:16,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:16,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking...