/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/systemc/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:11:11,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:11:11,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:11:11,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:11:11,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:11:11,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:11:11,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:11:11,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:11:11,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:11:11,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:11:11,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:11:11,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:11:11,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:11:11,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:11:11,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:11:11,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:11:11,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:11:11,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:11:11,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:11:11,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:11:11,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:11:11,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:11:11,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:11:11,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:11:11,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:11:11,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:11:11,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:11:11,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:11:11,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:11:11,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:11:11,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:11:11,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:11:11,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:11:11,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:11:11,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:11:11,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:11:11,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:11:11,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:11:11,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:11:11,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:11:11,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:11:11,468 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 21:11:11,491 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:11:11,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:11:11,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:11:11,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:11:11,493 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:11:11,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:11:11,493 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:11:11,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:11:11,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:11:11,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:11:11,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:11:11,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:11:11,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:11:11,494 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:11:11,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:11:11,495 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:11:11,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:11:11,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:11:11,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:11:11,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:11:11,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:11:11,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:11:11,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:11:11,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:11:11,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:11:11,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:11:11,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:11:11,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:11:11,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:11:11,498 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 21:11:11,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:11:11,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:11:11,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:11:11,905 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:11:11,906 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:11:11,907 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-10-12 21:11:11,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75cb2aa65/55fd2252c6714f63b0fa05e30782b559/FLAG539ec6c41 [2020-10-12 21:11:12,449 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:11:12,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-10-12 21:11:12,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75cb2aa65/55fd2252c6714f63b0fa05e30782b559/FLAG539ec6c41 [2020-10-12 21:11:12,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75cb2aa65/55fd2252c6714f63b0fa05e30782b559 [2020-10-12 21:11:12,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:11:12,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:11:12,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:11:12,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:11:12,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:11:12,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:11:12" (1/1) ... [2020-10-12 21:11:12,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aafda97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:12, skipping insertion in model container [2020-10-12 21:11:12,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:11:12" (1/1) ... [2020-10-12 21:11:12,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:11:12,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:11:13,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:11:13,065 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:11:13,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:11:13,138 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:11:13,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:13 WrapperNode [2020-10-12 21:11:13,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:11:13,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:11:13,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:11:13,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:11:13,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:13" (1/1) ... [2020-10-12 21:11:13,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:13" (1/1) ... [2020-10-12 21:11:13,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:13" (1/1) ... [2020-10-12 21:11:13,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:13" (1/1) ... [2020-10-12 21:11:13,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:13" (1/1) ... [2020-10-12 21:11:13,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:13" (1/1) ... [2020-10-12 21:11:13,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:13" (1/1) ... [2020-10-12 21:11:13,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:11:13,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:11:13,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:11:13,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:11:13,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:13" (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 21:11:13,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:11:13,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:11:13,411 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:11:13,411 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:11:13,411 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:11:13,411 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:11:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:11:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:11:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:11:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:11:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:11:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:11:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:11:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:11:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:11:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:11:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:11:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:11:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:11:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:11:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:11:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:11:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:11:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:11:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:11:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:11:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:11:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:11:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:11:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:11:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:11:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:11:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:11:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:11:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:11:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:11:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:11:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:11:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:11:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:11:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:11:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:11:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:11:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:11:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:11:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:11:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:11:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:11:13,957 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:11:13,957 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-12 21:11:13,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:11:13 BoogieIcfgContainer [2020-10-12 21:11:13,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:11:13,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:11:13,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:11:13,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:11:13,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:11:12" (1/3) ... [2020-10-12 21:11:13,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af4fa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:11:13, skipping insertion in model container [2020-10-12 21:11:13,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:13" (2/3) ... [2020-10-12 21:11:13,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af4fa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:11:13, skipping insertion in model container [2020-10-12 21:11:13,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:11:13" (3/3) ... [2020-10-12 21:11:13,975 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-10-12 21:11:13,985 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:11:13,993 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:11:14,008 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:11:14,036 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:11:14,036 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:11:14,036 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:11:14,037 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:11:14,039 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:11:14,039 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:11:14,039 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:11:14,040 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:11:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-12 21:11:14,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 21:11:14,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:14,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:14,079 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:14,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:14,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1996614335, now seen corresponding path program 1 times [2020-10-12 21:11:14,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:14,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570697846] [2020-10-12 21:11:14,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:14,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:19,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:19,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 21:11:19,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:11:19,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-12 21:11:19,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:11:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-12 21:11:19,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 21:11:19,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:19,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:19,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:19,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:19,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:19,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:11:19,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:19,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:19,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:19,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:19,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:19,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:19,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:19,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:19,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:19,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:19,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:19,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:19,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:19,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:19,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:19,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:19,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:19,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:19,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:19,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:19,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:19,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:19,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:19,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:19,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:19,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:19,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:19,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:19,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:19,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:19,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:11:19,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:19,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:19,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:19,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:19,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:11:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:19,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:19,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:19,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:19,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:19,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:11:19,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:19,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:19,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:19,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:11:19,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:19,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:11:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:19,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:19,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:19,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:19,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:21,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:21,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:11:21,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:11:21,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1758 [2020-10-12 21:11:21,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:21,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:11:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:11:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:11:21,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:21,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:21,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:21,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:21,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:21,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:21,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:21,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:21,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:21,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:21,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:21,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:21,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:21,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:21,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:11:21,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:21,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:21,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:21,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:21,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:21,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:21,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:21,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:21,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:21,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:21,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:21,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:21,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:21,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:11:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:21,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:21,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:21,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:21,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:11:21,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:21,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:11:21,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:21,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:21,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:21,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:21,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:21,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:21,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:21,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:21,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:21,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570697846] [2020-10-12 21:11:21,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:21,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:11:21,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951842070] [2020-10-12 21:11:21,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:11:21,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:21,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:11:21,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:11:21,632 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 14 states. [2020-10-12 21:11:25,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:25,104 INFO L93 Difference]: Finished difference Result 487 states and 739 transitions. [2020-10-12 21:11:25,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 21:11:25,106 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 90 [2020-10-12 21:11:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:25,123 INFO L225 Difference]: With dead ends: 487 [2020-10-12 21:11:25,123 INFO L226 Difference]: Without dead ends: 326 [2020-10-12 21:11:25,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 21:11:25,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-10-12 21:11:25,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 201. [2020-10-12 21:11:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-12 21:11:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 257 transitions. [2020-10-12 21:11:25,215 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 257 transitions. Word has length 90 [2020-10-12 21:11:25,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:25,215 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 257 transitions. [2020-10-12 21:11:25,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:11:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 257 transitions. [2020-10-12 21:11:25,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 21:11:25,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:25,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:25,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:11:25,221 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:25,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:25,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1988166853, now seen corresponding path program 1 times [2020-10-12 21:11:25,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:25,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235450099] [2020-10-12 21:11:25,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:25,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:25,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:25,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:25,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:25,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:25,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:25,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:28,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:28,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 21:11:30,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:11:30,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:11:30,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:30,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:30,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 21:11:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:30,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:30,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:30,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:11:30,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:30,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:30,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:11:30,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:30,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:30,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:30,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:30,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:30,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:30,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:30,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:30,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:30,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:30,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:30,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:11:30,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:30,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:30,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:30,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:11:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:30,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:30,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:11:30,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:30,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:11:30,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:30,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:11:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:11:30,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:11:30,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-12 21:11:30,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:11:30,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:30,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:11:30,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:30,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:30,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:30,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:30,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:30,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:30,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:30,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:30,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:30,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:30,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:30,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:30,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:30,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:30,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:30,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:30,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:11:30,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:11:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:30,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:30,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:11:30,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:30,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:11:30,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:30,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:30,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:30,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:30,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:30,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:30,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:30,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:30,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:30,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:30,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235450099] [2020-10-12 21:11:30,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:30,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:11:30,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943110087] [2020-10-12 21:11:30,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:11:30,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:30,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:11:30,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:11:30,771 INFO L87 Difference]: Start difference. First operand 201 states and 257 transitions. Second operand 14 states. [2020-10-12 21:11:32,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:32,945 INFO L93 Difference]: Finished difference Result 498 states and 698 transitions. [2020-10-12 21:11:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:11:32,951 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 90 [2020-10-12 21:11:32,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:32,956 INFO L225 Difference]: With dead ends: 498 [2020-10-12 21:11:32,957 INFO L226 Difference]: Without dead ends: 317 [2020-10-12 21:11:32,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:11:32,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-10-12 21:11:33,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 211. [2020-10-12 21:11:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-12 21:11:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 264 transitions. [2020-10-12 21:11:33,003 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 264 transitions. Word has length 90 [2020-10-12 21:11:33,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:33,003 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 264 transitions. [2020-10-12 21:11:33,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:11:33,003 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 264 transitions. [2020-10-12 21:11:33,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 21:11:33,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:33,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:33,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:11:33,006 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:33,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:33,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1469474941, now seen corresponding path program 1 times [2020-10-12 21:11:33,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:33,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508739093] [2020-10-12 21:11:33,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:33,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:33,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:33,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:33,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:33,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:33,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:33,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 21:11:38,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:11:38,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:11:38,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:38,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:38,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:11:38,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:38,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:11:38,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:38,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:38,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:38,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:38,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:38,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:38,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:38,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:38,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:38,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:38,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:38,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:38,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:11:38,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:38,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:38,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:38,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:11:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:38,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:38,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:11:38,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:11:38,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:11:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:11:38,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:11:38,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:11:38,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:11:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:11:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:11:38,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:38,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:38,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:38,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:38,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:38,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:38,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:38,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:38,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:38,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:38,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:38,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:38,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:11:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:38,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:38,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:38,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:38,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:11:38,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:38,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:38,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:38,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:38,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:38,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:38,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:38,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:38,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:38,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:38,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:38,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508739093] [2020-10-12 21:11:38,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:38,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:11:38,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589802946] [2020-10-12 21:11:38,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:11:38,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:38,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:11:38,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:11:38,342 INFO L87 Difference]: Start difference. First operand 211 states and 264 transitions. Second operand 12 states. [2020-10-12 21:11:41,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:41,470 INFO L93 Difference]: Finished difference Result 773 states and 1048 transitions. [2020-10-12 21:11:41,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 21:11:41,471 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-12 21:11:41,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:41,483 INFO L225 Difference]: With dead ends: 773 [2020-10-12 21:11:41,483 INFO L226 Difference]: Without dead ends: 582 [2020-10-12 21:11:41,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-10-12 21:11:41,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-10-12 21:11:41,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 406. [2020-10-12 21:11:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-10-12 21:11:41,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 502 transitions. [2020-10-12 21:11:41,596 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 502 transitions. Word has length 90 [2020-10-12 21:11:41,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:41,597 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 502 transitions. [2020-10-12 21:11:41,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:11:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 502 transitions. [2020-10-12 21:11:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 21:11:41,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:41,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:41,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:11:41,606 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:41,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:41,607 INFO L82 PathProgramCache]: Analyzing trace with hash -557735361, now seen corresponding path program 1 times [2020-10-12 21:11:41,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:41,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160772213] [2020-10-12 21:11:41,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:42,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:42,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:43,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 21:11:46,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:11:46,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:11:46,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:11:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:46,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 21:11:46,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:46,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:46,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:11:46,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:46,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:46,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:46,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:46,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:46,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:46,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:46,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:46,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:46,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:46,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:46,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:46,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:46,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:46,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:11:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:46,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:46,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:11:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:46,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:11:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:11:46,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:11:46,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 21:11:46,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:46,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:46,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:46,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:46,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:46,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:46,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:11:46,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:46,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:46,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:46,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:46,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:46,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:46,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:46,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:11:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:46,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:46,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:11:46,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:46,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:46,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:46,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:46,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160772213] [2020-10-12 21:11:46,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:46,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 21:11:46,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791499961] [2020-10-12 21:11:46,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 21:11:46,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:46,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 21:11:46,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 21:11:46,850 INFO L87 Difference]: Start difference. First operand 406 states and 502 transitions. Second operand 7 states. [2020-10-12 21:11:48,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:48,764 INFO L93 Difference]: Finished difference Result 1447 states and 1913 transitions. [2020-10-12 21:11:48,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 21:11:48,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-12 21:11:48,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:48,774 INFO L225 Difference]: With dead ends: 1447 [2020-10-12 21:11:48,774 INFO L226 Difference]: Without dead ends: 1062 [2020-10-12 21:11:48,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:11:48,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2020-10-12 21:11:48,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 777. [2020-10-12 21:11:48,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 777 states. [2020-10-12 21:11:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 966 transitions. [2020-10-12 21:11:48,882 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 966 transitions. Word has length 90 [2020-10-12 21:11:48,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:48,884 INFO L479 AbstractCegarLoop]: Abstraction has 777 states and 966 transitions. [2020-10-12 21:11:48,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 21:11:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 966 transitions. [2020-10-12 21:11:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 21:11:48,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:48,890 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 21:11:48,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:11:48,891 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:48,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:48,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1089227845, now seen corresponding path program 1 times [2020-10-12 21:11:48,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:48,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547577513] [2020-10-12 21:11:48,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:48,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:48,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:48,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:48,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:49,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:49,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:50,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:50,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:50,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:50,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-12 21:11:53,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:11:53,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4451 [2020-10-12 21:11:53,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:53,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:53,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 21:11:53,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:53,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:53,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:53,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:53,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:53,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:53,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:53,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:53,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:53,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:53,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:53,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:53,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:53,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:53,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:53,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:53,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:53,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:11:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:53,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:11:53,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:11:53,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:11:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:11:53,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:53,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 21:11:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:53,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:53,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:53,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:53,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:53,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:53,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:53,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:53,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:53,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:53,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:53,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:11:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:53,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:53,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:53,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:11:53,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:53,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:53,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:53,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:53,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:53,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:53,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:11:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:53,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:53,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:53,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:53,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 21:11:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:53,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:53,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:53,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:53,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:53,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 21:11:53,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547577513] [2020-10-12 21:11:53,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:53,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:11:53,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506660661] [2020-10-12 21:11:53,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:11:53,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:53,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:11:53,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:11:53,588 INFO L87 Difference]: Start difference. First operand 777 states and 966 transitions. Second operand 10 states. [2020-10-12 21:11:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:55,373 INFO L93 Difference]: Finished difference Result 2024 states and 2647 transitions. [2020-10-12 21:11:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 21:11:55,374 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2020-10-12 21:11:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:55,383 INFO L225 Difference]: With dead ends: 2024 [2020-10-12 21:11:55,383 INFO L226 Difference]: Without dead ends: 1267 [2020-10-12 21:11:55,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:11:55,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2020-10-12 21:11:55,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 929. [2020-10-12 21:11:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2020-10-12 21:11:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1116 transitions. [2020-10-12 21:11:55,534 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1116 transitions. Word has length 109 [2020-10-12 21:11:55,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:55,534 INFO L479 AbstractCegarLoop]: Abstraction has 929 states and 1116 transitions. [2020-10-12 21:11:55,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:11:55,535 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1116 transitions. [2020-10-12 21:11:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 21:11:55,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:55,538 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 21:11:55,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:11:55,538 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:55,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:55,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1813759493, now seen corresponding path program 1 times [2020-10-12 21:11:55,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:55,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1157524741] [2020-10-12 21:11:55,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:55,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:55,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:55,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:55,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:57,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:57,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-12 21:11:57,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:11:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2269 [2020-10-12 21:11:57,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 21:11:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:57,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:57,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:57,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:57,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:57,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:57,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:57,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:57,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:57,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:57,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:57,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:57,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:57,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:57,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:57,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:57,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:57,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:57,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:57,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:57,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:57,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:57,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:57,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:57,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:57,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:57,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:57,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:57,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:57,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:57,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:57,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:57,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:57,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:57,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:57,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:57,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:11:57,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:11:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:57,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:57,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:57,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:57,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:57,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:11:57,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:11:57,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:58,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:11:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:58,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:58,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:58,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:11:58,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:58,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:11:58,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 21:11:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:58,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:58,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:58,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:58,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:58,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:58,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:58,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:58,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:58,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:58,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:58,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:58,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:58,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:58,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:58,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:58,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:58,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:58,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:58,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:58,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:58,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:58,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:58,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:58,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:58,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:58,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:58,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:58,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:58,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:58,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:58,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:11:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:58,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:58,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:58,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:11:58,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:58,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:58,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:11:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:58,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:58,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:58,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:58,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:58,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:58,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:58,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:58,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:58,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:58,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:58,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:11:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:58,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:58,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:58,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:58,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:58,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:58,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:58,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:58,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:58,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:58,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:58,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 21:11:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:58,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:58,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:58,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:58,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:58,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:58,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:58,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:58,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:58,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:58,121 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 21:11:58,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1157524741] [2020-10-12 21:11:58,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:58,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:11:58,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258087160] [2020-10-12 21:11:58,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:11:58,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:58,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:11:58,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:11:58,126 INFO L87 Difference]: Start difference. First operand 929 states and 1116 transitions. Second operand 10 states. [2020-10-12 21:11:59,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:59,672 INFO L93 Difference]: Finished difference Result 2144 states and 2698 transitions. [2020-10-12 21:11:59,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 21:11:59,673 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2020-10-12 21:11:59,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:59,681 INFO L225 Difference]: With dead ends: 2144 [2020-10-12 21:11:59,681 INFO L226 Difference]: Without dead ends: 1235 [2020-10-12 21:11:59,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-12 21:11:59,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2020-10-12 21:11:59,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 929. [2020-10-12 21:11:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2020-10-12 21:11:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1099 transitions. [2020-10-12 21:11:59,846 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1099 transitions. Word has length 109 [2020-10-12 21:11:59,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:59,847 INFO L479 AbstractCegarLoop]: Abstraction has 929 states and 1099 transitions. [2020-10-12 21:11:59,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:11:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1099 transitions. [2020-10-12 21:11:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 21:11:59,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:59,850 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 21:11:59,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:11:59,850 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:59,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:59,851 INFO L82 PathProgramCache]: Analyzing trace with hash 169544635, now seen corresponding path program 1 times [2020-10-12 21:11:59,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:59,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813725830] [2020-10-12 21:11:59,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:59,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:59,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:59,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-12 21:12:00,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:12:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 810 [2020-10-12 21:12:00,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:12:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:12:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-12 21:12:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:00,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:00,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:00,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:00,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:00,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:00,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:00,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:00,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:00,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:00,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:00,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:12:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:00,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:00,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:12:00,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:12:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:12:00,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:12:00,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:12:00,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:00,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:00,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:00,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:00,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:00,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:12:00,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:00,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:12:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:00,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:00,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:00,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:12:00,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:00,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:12:00,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:00,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:00,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:00,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:12:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:00,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:00,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:00,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:00,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 21:12:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:00,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:00,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:00,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:00,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:12:00,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:00,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:00,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:00,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:00,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:12:00,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 21:12:00,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813725830] [2020-10-12 21:12:00,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:00,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:12:00,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106821990] [2020-10-12 21:12:00,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:12:00,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:00,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:12:00,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:12:00,960 INFO L87 Difference]: Start difference. First operand 929 states and 1099 transitions. Second operand 9 states. [2020-10-12 21:12:03,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:03,352 INFO L93 Difference]: Finished difference Result 3209 states and 4263 transitions. [2020-10-12 21:12:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 21:12:03,355 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2020-10-12 21:12:03,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:03,371 INFO L225 Difference]: With dead ends: 3209 [2020-10-12 21:12:03,371 INFO L226 Difference]: Without dead ends: 2302 [2020-10-12 21:12:03,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:12:03,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2020-10-12 21:12:03,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 1730. [2020-10-12 21:12:03,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1730 states. [2020-10-12 21:12:03,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2136 transitions. [2020-10-12 21:12:03,541 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2136 transitions. Word has length 109 [2020-10-12 21:12:03,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:03,542 INFO L479 AbstractCegarLoop]: Abstraction has 1730 states and 2136 transitions. [2020-10-12 21:12:03,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:12:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2136 transitions. [2020-10-12 21:12:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-12 21:12:03,546 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:03,546 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:12:03,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:12:03,547 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:03,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:03,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1582387289, now seen corresponding path program 1 times [2020-10-12 21:12:03,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:03,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49134720] [2020-10-12 21:12:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-12 21:12:03,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:12:03,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-12 21:12:03,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:03,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-12 21:12:03,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:12:03,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:03,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:03,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:03,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:03,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:03,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:03,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:03,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:03,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:03,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:12:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:03,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:03,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:12:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:12:03,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:03,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:03,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:03,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:03,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:03,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:03,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:03,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:12:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:03,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:03,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:03,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:03,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 21:12:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:03,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:03,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:03,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 21:12:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:03,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:03,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:03,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:03,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:03,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:03,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:03,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:03,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:03,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:03,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 21:12:03,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49134720] [2020-10-12 21:12:03,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:03,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 21:12:03,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236393956] [2020-10-12 21:12:03,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 21:12:03,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:03,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 21:12:03,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 21:12:03,828 INFO L87 Difference]: Start difference. First operand 1730 states and 2136 transitions. Second operand 8 states. [2020-10-12 21:12:06,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:06,077 INFO L93 Difference]: Finished difference Result 6007 states and 8007 transitions. [2020-10-12 21:12:06,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:12:06,077 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2020-10-12 21:12:06,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:06,098 INFO L225 Difference]: With dead ends: 6007 [2020-10-12 21:12:06,098 INFO L226 Difference]: Without dead ends: 3323 [2020-10-12 21:12:06,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:12:06,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2020-10-12 21:12:06,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 2853. [2020-10-12 21:12:06,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2853 states. [2020-10-12 21:12:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 3747 transitions. [2020-10-12 21:12:06,389 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 3747 transitions. Word has length 111 [2020-10-12 21:12:06,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:06,391 INFO L479 AbstractCegarLoop]: Abstraction has 2853 states and 3747 transitions. [2020-10-12 21:12:06,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 21:12:06,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 3747 transitions. [2020-10-12 21:12:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-12 21:12:06,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:06,399 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:12:06,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:12:06,399 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:06,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:06,400 INFO L82 PathProgramCache]: Analyzing trace with hash -806904669, now seen corresponding path program 1 times [2020-10-12 21:12:06,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:06,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397734221] [2020-10-12 21:12:06,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:09,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:09,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 21:12:11,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 21:12:11,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:12:11,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:12:11,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:11,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-12 21:12:11,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:11,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:12:11,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:11,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:11,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:11,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:11,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:11,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:11,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:11,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:11,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:11,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:11,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:12:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:11,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:11,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:12:11,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:11,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:12:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:12:11,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:12:11,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 21:12:11,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:11,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:11,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:12:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:11,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:11,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:12:11,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:11,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:11,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:11,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:11,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:11,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 21:12:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:11,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:11,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:11,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 21:12:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:11,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:11,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:11,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 21:12:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:12:11,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:12:11,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 21:12:11,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:12:11,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:12:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:12:11,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 21:12:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:12:11,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:11,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:12:11,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-12 21:12:11,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397734221] [2020-10-12 21:12:11,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:11,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:12:11,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844669625] [2020-10-12 21:12:11,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:12:11,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:11,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:12:11,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:12:11,845 INFO L87 Difference]: Start difference. First operand 2853 states and 3747 transitions. Second operand 10 states. [2020-10-12 21:12:15,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:15,029 INFO L93 Difference]: Finished difference Result 8519 states and 11632 transitions. [2020-10-12 21:12:15,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 21:12:15,030 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2020-10-12 21:12:15,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:15,083 INFO L225 Difference]: With dead ends: 8519 [2020-10-12 21:12:15,084 INFO L226 Difference]: Without dead ends: 5693 [2020-10-12 21:12:15,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=570, Unknown=0, NotChecked=0, Total=756 [2020-10-12 21:12:15,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5693 states. [2020-10-12 21:12:15,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5693 to 4263. [2020-10-12 21:12:15,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4263 states. [2020-10-12 21:12:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 4263 states and 5633 transitions. [2020-10-12 21:12:15,723 INFO L78 Accepts]: Start accepts. Automaton has 4263 states and 5633 transitions. Word has length 155 [2020-10-12 21:12:15,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:15,724 INFO L479 AbstractCegarLoop]: Abstraction has 4263 states and 5633 transitions. [2020-10-12 21:12:15,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:12:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 4263 states and 5633 transitions. [2020-10-12 21:12:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 21:12:15,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:15,732 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:12:15,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:12:15,733 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:15,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:15,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1240966328, now seen corresponding path program 1 times [2020-10-12 21:12:15,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:15,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976580370] [2020-10-12 21:12:15,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:15,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:16,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:16,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:16,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:16,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-12 21:12:20,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:12:20,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:12:20,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:20,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:12:20,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 21:12:20,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:20,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:20,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:20,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:20,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:20,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:20,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:20,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:20,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:12:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:20,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:20,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:12:20,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:12:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:12:20,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:12:20,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:12:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:20,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:20,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:20,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:20,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:20,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:20,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:20,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:12:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:20,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:20,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:12:20,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:20,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:12:20,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:20,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:12:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:20,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:20,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:12:20,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:21,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 21:12:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:21,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:21,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:21,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:21,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:21,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:21,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:21,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:21,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:21,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:21,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:21,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:12:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:21,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:21,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:21,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:21,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:21,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:21,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:12:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:21,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:21,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 21:12:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:21,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:21,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:21,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:21,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:12:21,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:12:21,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:12:21,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:21,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:12:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 21:12:21,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:21,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:12:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:21,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:21,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:21,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:12:21,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:21,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:12:21,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 21:12:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:12:21,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:21,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:21,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:21,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:21,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:12:21,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:21,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:12:21,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:21,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:12:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:21,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:21,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:21,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:21,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:21,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:21,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:21,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:21,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:21,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:21,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:21,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:21,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:21,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:21,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:21,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:21,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:21,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:21,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:12:21,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:21,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:21,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:21,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:21,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:21,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:21,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:21,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:21,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:21,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:21,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:21,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:21,157 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-12 21:12:21,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976580370] [2020-10-12 21:12:21,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:12:21,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 21:12:21,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139470913] [2020-10-12 21:12:21,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:12:21,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:21,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:12:21,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:12:21,159 INFO L87 Difference]: Start difference. First operand 4263 states and 5633 transitions. Second operand 15 states. [2020-10-12 21:12:30,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:30,355 INFO L93 Difference]: Finished difference Result 9429 states and 13669 transitions. [2020-10-12 21:12:30,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-12 21:12:30,356 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 162 [2020-10-12 21:12:30,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:30,531 INFO L225 Difference]: With dead ends: 9429 [2020-10-12 21:12:30,531 INFO L226 Difference]: Without dead ends: 5195 [2020-10-12 21:12:30,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1482 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=735, Invalid=3821, Unknown=0, NotChecked=0, Total=4556 [2020-10-12 21:12:30,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5195 states. [2020-10-12 21:12:31,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5195 to 4312. [2020-10-12 21:12:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4312 states. [2020-10-12 21:12:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 5359 transitions. [2020-10-12 21:12:31,288 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 5359 transitions. Word has length 162 [2020-10-12 21:12:31,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:31,288 INFO L479 AbstractCegarLoop]: Abstraction has 4312 states and 5359 transitions. [2020-10-12 21:12:31,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:12:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 5359 transitions. [2020-10-12 21:12:31,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 21:12:31,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:31,297 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:12:31,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:12:31,298 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:31,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:31,299 INFO L82 PathProgramCache]: Analyzing trace with hash -748319877, now seen corresponding path program 1 times [2020-10-12 21:12:31,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:31,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190871104] [2020-10-12 21:12:31,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:31,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:31,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-12 21:12:31,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:12:31,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 597 [2020-10-12 21:12:31,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:31,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:12:31,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:12:31,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 21:12:31,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:31,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:31,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:31,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:31,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:32,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:32,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:32,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:32,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:32,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:32,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:32,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:32,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:12:32,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:32,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:12:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:32,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:32,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:32,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:12:32,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:12:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:12:32,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:12:32,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:12:32,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:32,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:32,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:32,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:32,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:32,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:32,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:32,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:32,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:32,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:32,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:12:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:32,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:32,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:12:32,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:32,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:32,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:32,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:12:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:32,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:32,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 21:12:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:32,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:32,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:32,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:12:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:32,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:32,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:32,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 21:12:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:12:32,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:12:32,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-12 21:12:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:12:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:12:32,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:32,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:12:32,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:32,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:32,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:32,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:32,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:32,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:12:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:32,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:32,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:32,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:32,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:32,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:32,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 21:12:32,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190871104] [2020-10-12 21:12:32,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:12:32,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 21:12:32,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327707957] [2020-10-12 21:12:32,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:12:32,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:32,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:12:32,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:12:32,371 INFO L87 Difference]: Start difference. First operand 4312 states and 5359 transitions. Second operand 10 states. [2020-10-12 21:12:36,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:36,345 INFO L93 Difference]: Finished difference Result 12622 states and 16185 transitions. [2020-10-12 21:12:36,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:12:36,346 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2020-10-12 21:12:36,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:36,404 INFO L225 Difference]: With dead ends: 12622 [2020-10-12 21:12:36,404 INFO L226 Difference]: Without dead ends: 6981 [2020-10-12 21:12:36,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=236, Invalid=634, Unknown=0, NotChecked=0, Total=870 [2020-10-12 21:12:36,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6981 states. [2020-10-12 21:12:37,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6981 to 6311. [2020-10-12 21:12:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6311 states. [2020-10-12 21:12:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 7674 transitions. [2020-10-12 21:12:37,237 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 7674 transitions. Word has length 163 [2020-10-12 21:12:37,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:37,237 INFO L479 AbstractCegarLoop]: Abstraction has 6311 states and 7674 transitions. [2020-10-12 21:12:37,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:12:37,237 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 7674 transitions. [2020-10-12 21:12:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-12 21:12:37,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:37,246 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:12:37,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:12:37,246 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:37,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:37,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1906477626, now seen corresponding path program 1 times [2020-10-12 21:12:37,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:37,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [298020960] [2020-10-12 21:12:37,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:12:37,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:12:37,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-12 21:12:37,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-10-12 21:12:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 21:12:37,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:37,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:37,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:37,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:37,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:37,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:37,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:37,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:37,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:12:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:37,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:37,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:12:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:12:37,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:37,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:37,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:37,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:37,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:37,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:37,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:37,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:12:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:37,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:37,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:37,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:37,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:12:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:37,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:37,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 21:12:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:37,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:37,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:12:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:37,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:37,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 21:12:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:12:37,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:12:37,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:37,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 21:12:37,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:12:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:12:37,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:12:37,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-12 21:12:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:12:37,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:12:37,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:12:37,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:37,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:37,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:37,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:37,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:37,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:37,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:12:37,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:12:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:12:37,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:12:37,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:12:37,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:37,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 21:12:37,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:12:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:12:37,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:37,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:12:37,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:37,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:37,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:37,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:37,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:37,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:12:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:37,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:37,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:37,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:37,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:37,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:37,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-12 21:12:37,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [298020960] [2020-10-12 21:12:37,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:12:37,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 21:12:37,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823459981] [2020-10-12 21:12:37,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:12:37,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:37,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:12:37,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:12:37,934 INFO L87 Difference]: Start difference. First operand 6311 states and 7674 transitions. Second operand 10 states. [2020-10-12 21:12:41,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:41,059 INFO L93 Difference]: Finished difference Result 15062 states and 19395 transitions. [2020-10-12 21:12:41,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 21:12:41,060 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 206 [2020-10-12 21:12:41,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:41,102 INFO L225 Difference]: With dead ends: 15062 [2020-10-12 21:12:41,102 INFO L226 Difference]: Without dead ends: 8642 [2020-10-12 21:12:41,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:12:41,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8642 states. [2020-10-12 21:12:41,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8642 to 7886. [2020-10-12 21:12:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7886 states. [2020-10-12 21:12:41,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 9742 transitions. [2020-10-12 21:12:41,972 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 9742 transitions. Word has length 206 [2020-10-12 21:12:41,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:41,973 INFO L479 AbstractCegarLoop]: Abstraction has 7886 states and 9742 transitions. [2020-10-12 21:12:41,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:12:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 9742 transitions. [2020-10-12 21:12:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-12 21:12:41,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:41,981 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:12:41,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:12:41,982 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:41,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:41,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1382123670, now seen corresponding path program 1 times [2020-10-12 21:12:41,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:41,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105489606] [2020-10-12 21:12:41,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-12 21:12:42,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 21:12:42,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-12 21:12:42,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:12:42,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:42,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:42,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:42,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:42,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:42,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:42,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:42,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:42,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:12:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:42,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:42,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:12:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:12:42,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:42,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:42,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:42,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:42,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:42,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:42,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:42,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:12:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:42,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:42,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:42,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:42,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:12:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:42,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:42,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 21:12:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:42,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:42,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:12:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:42,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:42,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 21:12:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:12:42,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:12:42,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:12:42,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:12:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:12:42,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:42,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:12:42,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:42,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:42,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:42,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:42,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:42,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:42,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:42,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:42,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:12:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:12:42,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:12:42,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:12:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 21:12:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:12:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:12:42,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:42,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:42,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:12:42,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:12:42,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:42,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:42,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:42,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:42,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:12:42,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:12:42,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:42,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:12:42,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:12:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:42,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:42,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:42,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:42,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:42,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:42,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:42,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:42,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:42,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:12:42,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-12 21:12:42,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105489606] [2020-10-12 21:12:42,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:42,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:12:42,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571267596] [2020-10-12 21:12:42,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:12:42,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:42,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:12:42,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:12:42,376 INFO L87 Difference]: Start difference. First operand 7886 states and 9742 transitions. Second operand 11 states. [2020-10-12 21:12:45,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:45,120 INFO L93 Difference]: Finished difference Result 15760 states and 19835 transitions. [2020-10-12 21:12:45,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 21:12:45,120 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-10-12 21:12:45,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:45,137 INFO L225 Difference]: With dead ends: 15760 [2020-10-12 21:12:45,137 INFO L226 Difference]: Without dead ends: 3146 [2020-10-12 21:12:45,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2020-10-12 21:12:45,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2020-10-12 21:12:45,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 2958. [2020-10-12 21:12:45,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2958 states. [2020-10-12 21:12:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2958 states and 3385 transitions. [2020-10-12 21:12:45,408 INFO L78 Accepts]: Start accepts. Automaton has 2958 states and 3385 transitions. Word has length 207 [2020-10-12 21:12:45,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:45,409 INFO L479 AbstractCegarLoop]: Abstraction has 2958 states and 3385 transitions. [2020-10-12 21:12:45,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:12:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 3385 transitions. [2020-10-12 21:12:45,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-12 21:12:45,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:45,414 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:12:45,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:12:45,415 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:45,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:45,415 INFO L82 PathProgramCache]: Analyzing trace with hash 89354437, now seen corresponding path program 1 times [2020-10-12 21:12:45,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:45,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288404205] [2020-10-12 21:12:45,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 21:12:45,437 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 21:12:45,437 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 21:12:45,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:12:45,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:12:45 BoogieIcfgContainer [2020-10-12 21:12:45,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 21:12:45,484 INFO L168 Benchmark]: Toolchain (without parser) took 92695.88 ms. Allocated memory was 147.8 MB in the beginning and 1.1 GB in the end (delta: 939.5 MB). Free memory was 103.7 MB in the beginning and 540.7 MB in the end (delta: -437.0 MB). Peak memory consumption was 502.5 MB. Max. memory is 7.1 GB. [2020-10-12 21:12:45,484 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 21:12:45,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.85 ms. Allocated memory is still 147.8 MB. Free memory was 103.5 MB in the beginning and 89.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-10-12 21:12:45,486 INFO L168 Benchmark]: Boogie Preprocessor took 185.49 ms. Allocated memory was 147.8 MB in the beginning and 199.8 MB in the end (delta: 51.9 MB). Free memory was 89.1 MB in the beginning and 176.2 MB in the end (delta: -87.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-10-12 21:12:45,486 INFO L168 Benchmark]: RCFGBuilder took 636.71 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 140.6 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2020-10-12 21:12:45,487 INFO L168 Benchmark]: TraceAbstraction took 91515.46 ms. Allocated memory was 199.8 MB in the beginning and 1.1 GB in the end (delta: 887.6 MB). Free memory was 139.9 MB in the beginning and 540.7 MB in the end (delta: -400.8 MB). Peak memory consumption was 486.8 MB. Max. memory is 7.1 GB. [2020-10-12 21:12:45,490 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 350.85 ms. Allocated memory is still 147.8 MB. Free memory was 103.5 MB in the beginning and 89.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 185.49 ms. Allocated memory was 147.8 MB in the beginning and 199.8 MB in the end (delta: 51.9 MB). Free memory was 89.1 MB in the beginning and 176.2 MB in the end (delta: -87.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 636.71 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 140.6 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 91515.46 ms. Allocated memory was 199.8 MB in the beginning and 1.1 GB in the end (delta: 887.6 MB). Free memory was 139.9 MB in the beginning and 540.7 MB in the end (delta: -400.8 MB). Peak memory consumption was 486.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 11]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int m_pc = 0; [L16] int t1_pc = 0; [L17] int t2_pc = 0; [L18] int m_st ; [L19] int t1_st ; [L20] int t2_st ; [L21] int m_i ; [L22] int t1_i ; [L23] int t2_i ; [L24] int M_E = 2; [L25] int T1_E = 2; [L26] int T2_E = 2; [L27] int E_1 = 2; [L28] int E_2 = 2; [L563] int __retres1 ; [L567] CALL init_model() [L477] m_i = 1 [L478] t1_i = 1 [L479] t2_i = 1 [L567] RET init_model() [L568] CALL start_simulation() [L504] int kernel_st ; [L505] int tmp ; [L506] int tmp___0 ; [L510] kernel_st = 0 [L511] FCALL update_channels() [L512] CALL init_threads() [L211] COND TRUE m_i == 1 [L212] m_st = 0 [L216] COND TRUE t1_i == 1 [L217] t1_st = 0 [L221] COND TRUE t2_i == 1 [L222] t2_st = 0 [L512] RET init_threads() [L513] CALL fire_delta_events() [L324] COND FALSE !(M_E == 0) [L329] COND FALSE !(T1_E == 0) [L334] COND FALSE !(T2_E == 0) [L339] COND FALSE !(E_1 == 0) [L344] COND FALSE !(E_2 == 0) [L513] RET fire_delta_events() [L514] CALL activate_threads() [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L393] CALL, EXPR is_master_triggered() [L143] int __retres1 ; [L146] COND FALSE !(m_pc == 1) [L156] __retres1 = 0 [L158] return (__retres1); [L393] RET, EXPR is_master_triggered() [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) [L401] CALL, EXPR is_transmit1_triggered() [L162] int __retres1 ; [L165] COND FALSE !(t1_pc == 1) [L175] __retres1 = 0 [L177] return (__retres1); [L401] RET, EXPR is_transmit1_triggered() [L401] tmp___0 = is_transmit1_triggered() [L403] COND FALSE !(\read(tmp___0)) [L409] CALL, EXPR is_transmit2_triggered() [L181] int __retres1 ; [L184] COND FALSE !(t2_pc == 1) [L194] __retres1 = 0 [L196] return (__retres1); [L409] RET, EXPR is_transmit2_triggered() [L409] tmp___1 = is_transmit2_triggered() [L411] COND FALSE !(\read(tmp___1)) [L514] RET activate_threads() [L515] CALL reset_delta_events() [L357] COND FALSE !(M_E == 1) [L362] COND FALSE !(T1_E == 1) [L367] COND FALSE !(T2_E == 1) [L372] COND FALSE !(E_1 == 1) [L377] COND FALSE !(E_2 == 1) [L515] RET reset_delta_events() [L518] COND TRUE 1 [L521] kernel_st = 1 [L522] CALL eval() [L257] int tmp ; [L261] COND TRUE 1 [L264] CALL, EXPR exists_runnable_thread() [L231] int __retres1 ; [L234] COND TRUE m_st == 0 [L235] __retres1 = 1 [L252] return (__retres1); [L264] RET, EXPR exists_runnable_thread() [L264] tmp = exists_runnable_thread() [L266] COND TRUE \read(tmp) [L271] COND TRUE m_st == 0 [L272] int tmp_ndt_1; [L273] tmp_ndt_1 = __VERIFIER_nondet_int() [L274] COND FALSE !(\read(tmp_ndt_1)) [L285] COND TRUE t1_st == 0 [L286] int tmp_ndt_2; [L287] tmp_ndt_2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp_ndt_2) [L290] t1_st = 1 [L291] CALL transmit1() [L78] COND TRUE t1_pc == 0 [L89] COND TRUE 1 [L91] t1_pc = 1 [L92] t1_st = 2 [L291] RET transmit1() [L299] COND TRUE t2_st == 0 [L300] int tmp_ndt_3; [L301] tmp_ndt_3 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp_ndt_3) [L304] t2_st = 1 [L305] CALL transmit2() [L113] COND TRUE t2_pc == 0 [L124] COND TRUE 1 [L126] t2_pc = 1 [L127] t2_st = 2 [L305] RET transmit2() [L261] COND TRUE 1 [L264] CALL, EXPR exists_runnable_thread() [L231] int __retres1 ; [L234] COND TRUE m_st == 0 [L235] __retres1 = 1 [L252] return (__retres1); [L264] RET, EXPR exists_runnable_thread() [L264] tmp = exists_runnable_thread() [L266] COND TRUE \read(tmp) [L271] COND TRUE m_st == 0 [L272] int tmp_ndt_1; [L273] tmp_ndt_1 = __VERIFIER_nondet_int() [L274] COND TRUE \read(tmp_ndt_1) [L276] m_st = 1 [L277] CALL master() [L37] COND TRUE m_pc == 0 [L48] COND TRUE 1 [L51] E_1 = 1 [L52] CALL immediate_notify() [L425] CALL activate_threads() [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L393] CALL, EXPR is_master_triggered() [L143] int __retres1 ; [L146] COND FALSE !(m_pc == 1) [L156] __retres1 = 0 [L158] return (__retres1); [L393] RET, EXPR is_master_triggered() [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) [L401] CALL, EXPR is_transmit1_triggered() [L162] int __retres1 ; [L165] COND TRUE t1_pc == 1 [L166] COND TRUE E_1 == 1 [L167] __retres1 = 1 [L177] return (__retres1); [L401] RET, EXPR is_transmit1_triggered() [L401] tmp___0 = is_transmit1_triggered() [L403] COND TRUE \read(tmp___0) [L404] t1_st = 0 [L409] CALL, EXPR is_transmit2_triggered() [L181] int __retres1 ; [L184] COND TRUE t2_pc == 1 [L185] COND FALSE !(E_2 == 1) [L194] __retres1 = 0 [L196] return (__retres1); [L409] RET, EXPR is_transmit2_triggered() [L409] tmp___1 = is_transmit2_triggered() [L411] COND FALSE !(\read(tmp___1)) [L425] RET activate_threads() [L52] RET immediate_notify() [L53] E_1 = 2 [L56] COND TRUE 1 [L58] m_pc = 1 [L59] m_st = 2 [L277] RET master() [L285] COND TRUE t1_st == 0 [L286] int tmp_ndt_2; [L287] tmp_ndt_2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp_ndt_2) [L290] t1_st = 1 [L291] CALL transmit1() [L78] COND FALSE !(t1_pc == 0) [L81] COND TRUE t1_pc == 1 [L97] E_2 = 1 [L98] CALL immediate_notify() [L425] CALL activate_threads() [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L393] CALL, EXPR is_master_triggered() [L143] int __retres1 ; [L146] COND TRUE m_pc == 1 [L147] COND FALSE !(M_E == 1) [L156] __retres1 = 0 [L158] return (__retres1); [L393] RET, EXPR is_master_triggered() [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) [L401] CALL, EXPR is_transmit1_triggered() [L162] int __retres1 ; [L165] COND TRUE t1_pc == 1 [L166] COND FALSE !(E_1 == 1) [L175] __retres1 = 0 [L177] return (__retres1); [L401] RET, EXPR is_transmit1_triggered() [L401] tmp___0 = is_transmit1_triggered() [L403] COND FALSE !(\read(tmp___0)) [L409] CALL, EXPR is_transmit2_triggered() [L181] int __retres1 ; [L184] COND TRUE t2_pc == 1 [L185] COND TRUE E_2 == 1 [L186] __retres1 = 1 [L196] return (__retres1); [L409] RET, EXPR is_transmit2_triggered() [L409] tmp___1 = is_transmit2_triggered() [L411] COND TRUE \read(tmp___1) [L412] t2_st = 0 [L425] RET activate_threads() [L98] RET immediate_notify() [L99] E_2 = 2 [L89] COND TRUE 1 [L91] t1_pc = 1 [L92] t1_st = 2 [L291] RET transmit1() [L299] COND TRUE t2_st == 0 [L300] int tmp_ndt_3; [L301] tmp_ndt_3 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp_ndt_3) [L304] t2_st = 1 [L305] CALL transmit2() [L113] COND FALSE !(t2_pc == 0) [L116] COND TRUE t2_pc == 1 [L132] CALL error() [L11] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 169 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 91.4s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 41.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2342 SDtfs, 15108 SDslu, 866 SDs, 0 SdLazy, 20636 SolverSat, 8370 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 847 GetRequests, 495 SyntacticMatches, 6 SemanticMatches, 346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3067 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7886occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 6305 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 44.6s InterpolantComputationTime, 1899 NumberOfCodeBlocks, 1899 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1678 ConstructedInterpolants, 0 QuantifiedInterpolants, 641728 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 403/437 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...