/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/seq-pthread/cs_dekker.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:28:00,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:28:00,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:28:00,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:28:00,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:28:00,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:28:00,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:28:00,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:28:00,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:28:00,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:28:00,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:28:00,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:28:00,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:28:00,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:28:00,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:28:00,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:28:00,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:28:00,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:28:00,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:28:00,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:28:00,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:28:00,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:28:00,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:28:00,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:28:00,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:28:00,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:28:00,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:28:00,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:28:00,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:28:00,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:28:00,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:28:00,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:28:00,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:28:00,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:28:00,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:28:00,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:28:00,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:28:00,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:28:00,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:28:00,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:28:00,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:28:00,773 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 [2020-10-27 06:28:00,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:28:00,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:28:00,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:28:00,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:28:00,817 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:28:00,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:28:00,818 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:28:00,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:28:00,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:28:00,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:28:00,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:28:00,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:28:00,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:28:00,821 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:28:00,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:28:00,822 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:28:00,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:28:00,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:28:00,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:28:00,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:28:00,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:28:00,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:28:00,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:28:00,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:28:00,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:28:00,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:28:00,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:28:00,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:28:00,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:28:00,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:28:01,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:28:01,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:28:01,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:28:01,260 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:28:01,261 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:28:01,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-pthread/cs_dekker.i [2020-10-27 06:28:01,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/002fc1b7a/3b7cae01f1f8484e9dd51acd182d1183/FLAG8f4db86fe [2020-10-27 06:28:02,079 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:28:02,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-pthread/cs_dekker.i [2020-10-27 06:28:02,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/002fc1b7a/3b7cae01f1f8484e9dd51acd182d1183/FLAG8f4db86fe [2020-10-27 06:28:02,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/002fc1b7a/3b7cae01f1f8484e9dd51acd182d1183 [2020-10-27 06:28:02,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:28:02,342 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:28:02,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:28:02,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:28:02,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:28:02,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:28:02" (1/1) ... [2020-10-27 06:28:02,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acb7e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:02, skipping insertion in model container [2020-10-27 06:28:02,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:28:02" (1/1) ... [2020-10-27 06:28:02,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:28:02,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:28:03,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:28:03,041 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:28:03,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:28:03,336 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:28:03,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:03 WrapperNode [2020-10-27 06:28:03,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:28:03,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:28:03,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:28:03,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:28:03,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:03" (1/1) ... [2020-10-27 06:28:03,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:03" (1/1) ... [2020-10-27 06:28:03,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:03" (1/1) ... [2020-10-27 06:28:03,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:03" (1/1) ... [2020-10-27 06:28:03,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:03" (1/1) ... [2020-10-27 06:28:03,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:03" (1/1) ... [2020-10-27 06:28:03,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:03" (1/1) ... [2020-10-27 06:28:03,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:28:03,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:28:03,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:28:03,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:28:03,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:03" (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 [2020-10-27 06:28:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:28:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:28:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-10-27 06:28:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 06:28:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:28:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 06:28:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 06:28:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-27 06:28:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-27 06:28:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-27 06:28:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 06:28:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2020-10-27 06:28:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2020-10-27 06:28:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2020-10-27 06:28:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2020-10-27 06:28:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2020-10-27 06:28:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2020-10-27 06:28:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2020-10-27 06:28:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2020-10-27 06:28:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2020-10-27 06:28:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2020-10-27 06:28:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2020-10-27 06:28:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2020-10-27 06:28:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2020-10-27 06:28:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-27 06:28:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-27 06:28:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2020-10-27 06:28:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:28:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:28:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 06:28:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-27 06:28:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:28:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 06:28:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:28:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 06:28:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 06:28:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:28:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:28:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 06:28:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 06:28:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 06:28:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 06:28:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 06:28:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 06:28:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 06:28:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 06:28:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 06:28:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 06:28:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 06:28:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 06:28:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 06:28:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 06:28:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 06:28:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 06:28:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 06:28:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 06:28:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-27 06:28:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-27 06:28:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-27 06:28:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 06:28:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 06:28:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 06:28:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 06:28:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 06:28:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 06:28:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 06:28:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 06:28:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 06:28:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 06:28:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 06:28:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 06:28:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 06:28:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 06:28:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 06:28:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 06:28:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 06:28:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 06:28:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 06:28:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 06:28:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 06:28:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 06:28:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 06:28:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 06:28:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 06:28:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 06:28:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 06:28:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 06:28:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 06:28:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 06:28:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 06:28:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 06:28:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 06:28:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 06:28:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 06:28:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 06:28:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 06:28:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 06:28:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 06:28:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 06:28:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 06:28:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 06:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 06:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 06:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 06:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 06:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 06:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 06:28:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 06:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 06:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 06:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 06:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 06:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 06:28:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 06:28:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 06:28:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 06:28:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 06:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 06:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 06:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 06:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 06:28:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 06:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 06:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 06:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 06:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 06:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 06:28:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 06:28:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 06:28:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 06:28:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 06:28:03,667 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 06:28:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 06:28:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 06:28:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 06:28:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 06:28:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 06:28:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 06:28:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 06:28:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 06:28:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 06:28:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 06:28:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 06:28:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 06:28:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 06:28:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2020-10-27 06:28:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2020-10-27 06:28:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2020-10-27 06:28:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:28:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:28:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2020-10-27 06:28:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2020-10-27 06:28:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2020-10-27 06:28:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2020-10-27 06:28:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 06:28:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 06:28:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2020-10-27 06:28:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2020-10-27 06:28:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2020-10-27 06:28:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2020-10-27 06:28:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2020-10-27 06:28:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2020-10-27 06:28:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-27 06:28:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-27 06:28:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2020-10-27 06:28:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:28:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:28:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:28:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-10-27 06:28:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:28:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 06:28:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:28:04,606 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume !(0 != ~__CS_ret~0 % 256); [2020-10-27 06:28:04,606 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2020-10-27 06:28:04,747 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume !(0 != ~__CS_ret~0 % 256); [2020-10-27 06:28:04,748 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2020-10-27 06:28:07,619 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:28:07,619 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-27 06:28:07,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:28:07 BoogieIcfgContainer [2020-10-27 06:28:07,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:28:07,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:28:07,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:28:07,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:28:07,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:28:02" (1/3) ... [2020-10-27 06:28:07,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7ab729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:28:07, skipping insertion in model container [2020-10-27 06:28:07,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:03" (2/3) ... [2020-10-27 06:28:07,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7ab729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:28:07, skipping insertion in model container [2020-10-27 06:28:07,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:28:07" (3/3) ... [2020-10-27 06:28:07,630 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_dekker.i [2020-10-27 06:28:07,642 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:28:07,647 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:28:07,660 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:28:07,687 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:28:07,687 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:28:07,687 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:28:07,687 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:28:07,687 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:28:07,688 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:28:07,688 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:28:07,688 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:28:07,710 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-10-27 06:28:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 06:28:07,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:28:07,727 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:28:07,728 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:28:07,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:28:07,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1746909570, now seen corresponding path program 1 times [2020-10-27 06:28:07,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:28:07,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878528968] [2020-10-27 06:28:07,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:28:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:08,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:08,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:08,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:08,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:08,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:08,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:08,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:08,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:09,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:11,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:11,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:11,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:11,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:12,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:12,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:12,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:12,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:12,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-27 06:28:12,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 06:28:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 06:28:12,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:12,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:12,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 06:28:12,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:12,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:28:13,403 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:28:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:28:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:28:13,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:13,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:28:13,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:13,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:28:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:13,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 06:28:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:13,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:28:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:13,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:28:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:13,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 06:28:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:13,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:28:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:13,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 06:28:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:13,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 06:28:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:28:13,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:28:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:13,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 06:28:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:28:13,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 06:28:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:13,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 06:28:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:13,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:13,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:28:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:28:13,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 06:28:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:13,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 06:28:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:28:13,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 06:28:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:13,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 06:28:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:13,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 06:28:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:13,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 06:28:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:13,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 06:28:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:13,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:13,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:13,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:13,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:13,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:28:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-27 06:28:13,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878528968] [2020-10-27 06:28:13,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:28:13,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 06:28:13,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749682932] [2020-10-27 06:28:13,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 06:28:13,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:28:13,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 06:28:13,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 06:28:13,738 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-10-27 06:28:16,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:28:16,919 INFO L93 Difference]: Finished difference Result 281 states and 431 transitions. [2020-10-27 06:28:16,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 06:28:16,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-10-27 06:28:16,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:28:16,933 INFO L225 Difference]: With dead ends: 281 [2020-10-27 06:28:16,933 INFO L226 Difference]: Without dead ends: 138 [2020-10-27 06:28:16,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 06:28:16,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-27 06:28:17,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 132. [2020-10-27 06:28:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-27 06:28:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 183 transitions. [2020-10-27 06:28:17,019 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 183 transitions. Word has length 140 [2020-10-27 06:28:17,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:28:17,019 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 183 transitions. [2020-10-27 06:28:17,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 06:28:17,019 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 183 transitions. [2020-10-27 06:28:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 06:28:17,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:28:17,024 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:28:17,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:28:17,025 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:28:17,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:28:17,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1915058904, now seen corresponding path program 1 times [2020-10-27 06:28:17,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:28:17,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803007917] [2020-10-27 06:28:17,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:28:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:17,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:17,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-27 06:28:23,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:23,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6476 [2020-10-27 06:28:23,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:28:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 06:28:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:28:23,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,757 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:28:23,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:28:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:28:23,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:28:23,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:28:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 06:28:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:28:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:28:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 06:28:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:28:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 06:28:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:23,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 06:28:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:28:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:23,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 06:28:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 06:28:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 06:28:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:28:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:23,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 06:28:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:23,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 06:28:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:23,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 06:28:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:23,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 06:28:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:23,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 06:28:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:23,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 06:28:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:23,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 06:28:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:23,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:23,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:23,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:23,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:23,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:23,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:23,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-27 06:28:23,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803007917] [2020-10-27 06:28:23,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:28:23,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 06:28:23,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924299649] [2020-10-27 06:28:23,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 06:28:23,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:28:23,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 06:28:23,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 06:28:23,968 INFO L87 Difference]: Start difference. First operand 132 states and 183 transitions. Second operand 4 states. [2020-10-27 06:28:26,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:28:26,937 INFO L93 Difference]: Finished difference Result 264 states and 368 transitions. [2020-10-27 06:28:26,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 06:28:26,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-10-27 06:28:26,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:28:26,944 INFO L225 Difference]: With dead ends: 264 [2020-10-27 06:28:26,944 INFO L226 Difference]: Without dead ends: 142 [2020-10-27 06:28:26,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 06:28:26,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-27 06:28:26,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 133. [2020-10-27 06:28:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-27 06:28:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 184 transitions. [2020-10-27 06:28:26,976 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 184 transitions. Word has length 140 [2020-10-27 06:28:26,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:28:26,977 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 184 transitions. [2020-10-27 06:28:26,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 06:28:26,977 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 184 transitions. [2020-10-27 06:28:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 06:28:26,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:28:26,981 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:28:26,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:28:26,981 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:28:26,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:28:26,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1924193553, now seen corresponding path program 1 times [2020-10-27 06:28:26,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:28:26,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782276118] [2020-10-27 06:28:26,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:28:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:27,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:27,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:27,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 06:28:32,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:28:32,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5552 [2020-10-27 06:28:32,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:28:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 06:28:32,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:28:32,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,781 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:28:32,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:28:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:28:32,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:28:32,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:32,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 06:28:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:28:32,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 06:28:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:32,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:28:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:32,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 06:28:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:32,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:28:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:32,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:28:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:32,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:28:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:32,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:28:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:32,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:28:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:32,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:28:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:28:32,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:28:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:32,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 06:28:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:32,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:28:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:32,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 06:28:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:32,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:28:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:32,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:28:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:32,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 06:28:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:32,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 06:28:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:32,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 06:28:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:32,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 06:28:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:32,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:32,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:32,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:32,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:32,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:32,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:32,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:32,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:32,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-27 06:28:32,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782276118] [2020-10-27 06:28:32,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:28:32,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 06:28:32,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560874896] [2020-10-27 06:28:32,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 06:28:32,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:28:32,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 06:28:32,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 06:28:32,988 INFO L87 Difference]: Start difference. First operand 133 states and 184 transitions. Second operand 5 states. [2020-10-27 06:28:36,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:28:36,057 INFO L93 Difference]: Finished difference Result 268 states and 373 transitions. [2020-10-27 06:28:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 06:28:36,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-27 06:28:36,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:28:36,063 INFO L225 Difference]: With dead ends: 268 [2020-10-27 06:28:36,063 INFO L226 Difference]: Without dead ends: 146 [2020-10-27 06:28:36,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 06:28:36,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-27 06:28:36,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 137. [2020-10-27 06:28:36,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-27 06:28:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 189 transitions. [2020-10-27 06:28:36,121 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 189 transitions. Word has length 143 [2020-10-27 06:28:36,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:28:36,122 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 189 transitions. [2020-10-27 06:28:36,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 06:28:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 189 transitions. [2020-10-27 06:28:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 06:28:36,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:28:36,131 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 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] [2020-10-27 06:28:36,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:28:36,132 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:28:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:28:36,133 INFO L82 PathProgramCache]: Analyzing trace with hash 2115047560, now seen corresponding path program 2 times [2020-10-27 06:28:36,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:28:36,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540486941] [2020-10-27 06:28:36,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:28:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:36,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:36,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:36,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:36,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:41,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:41,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 06:28:41,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:28:41,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5527 [2020-10-27 06:28:41,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:28:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 06:28:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:28:41,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:41,953 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:28:41,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:28:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:41,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:41,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:41,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:28:41,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:41,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:28:41,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:41,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:41,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:41,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:41,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:41,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 06:28:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:41,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:42,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:28:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:42,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:42,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:28:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:28:42,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 06:28:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:42,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:28:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:42,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 06:28:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:42,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:42,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 06:28:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:42,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:42,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:28:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:42,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 06:28:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:42,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 06:28:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:42,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 06:28:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:42,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:28:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:42,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:42,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 06:28:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:42,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 06:28:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:42,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 06:28:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:42,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:42,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 06:28:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:42,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 06:28:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:42,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:42,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 06:28:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:28:42,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 06:28:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:42,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:42,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 06:28:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:42,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:42,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:42,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:42,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:42,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:28:42,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:42,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-27 06:28:42,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540486941] [2020-10-27 06:28:42,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:28:42,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 06:28:42,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476851446] [2020-10-27 06:28:42,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 06:28:42,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:28:42,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 06:28:42,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:28:42,249 INFO L87 Difference]: Start difference. First operand 137 states and 189 transitions. Second operand 6 states. [2020-10-27 06:28:45,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:28:45,226 INFO L93 Difference]: Finished difference Result 269 states and 374 transitions. [2020-10-27 06:28:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 06:28:45,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2020-10-27 06:28:45,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:28:45,229 INFO L225 Difference]: With dead ends: 269 [2020-10-27 06:28:45,229 INFO L226 Difference]: Without dead ends: 147 [2020-10-27 06:28:45,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:28:45,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-27 06:28:45,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2020-10-27 06:28:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-27 06:28:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 194 transitions. [2020-10-27 06:28:45,276 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 194 transitions. Word has length 146 [2020-10-27 06:28:45,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:28:45,276 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 194 transitions. [2020-10-27 06:28:45,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 06:28:45,276 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 194 transitions. [2020-10-27 06:28:45,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 06:28:45,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:28:45,280 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:28:45,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:28:45,281 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:28:45,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:28:45,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1310070193, now seen corresponding path program 3 times [2020-10-27 06:28:45,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:28:45,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895438910] [2020-10-27 06:28:45,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:28:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:45,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:45,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:45,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:45,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:50,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:50,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-27 06:28:50,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:28:50,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5526 [2020-10-27 06:28:50,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:28:50,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 06:28:50,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:28:50,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,016 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:28:51,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:28:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:28:51,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:28:51,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:51,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 06:28:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:51,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:28:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 06:28:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:51,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:28:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:51,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:28:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:28:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:28:51,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:28:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:51,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:28:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:28:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:28:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 06:28:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:28:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 06:28:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:51,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:28:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:28:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:51,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 06:28:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 06:28:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:51,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 06:28:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 06:28:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:51,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 06:28:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:51,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:51,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:51,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:51,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:51,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:28:51,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:51,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:51,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:51,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:51,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 772 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2020-10-27 06:28:51,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895438910] [2020-10-27 06:28:51,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:28:51,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 06:28:51,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149820467] [2020-10-27 06:28:51,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 06:28:51,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:28:51,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 06:28:51,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 06:28:51,207 INFO L87 Difference]: Start difference. First operand 141 states and 194 transitions. Second operand 4 states. [2020-10-27 06:28:54,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:28:54,076 INFO L93 Difference]: Finished difference Result 285 states and 395 transitions. [2020-10-27 06:28:54,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 06:28:54,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-27 06:28:54,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:28:54,079 INFO L225 Difference]: With dead ends: 285 [2020-10-27 06:28:54,079 INFO L226 Difference]: Without dead ends: 153 [2020-10-27 06:28:54,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 06:28:54,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-27 06:28:54,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 144. [2020-10-27 06:28:54,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-27 06:28:54,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 197 transitions. [2020-10-27 06:28:54,112 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 197 transitions. Word has length 149 [2020-10-27 06:28:54,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:28:54,112 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 197 transitions. [2020-10-27 06:28:54,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 06:28:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 197 transitions. [2020-10-27 06:28:54,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 06:28:54,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:28:54,118 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:28:54,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:28:54,119 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:28:54,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:28:54,119 INFO L82 PathProgramCache]: Analyzing trace with hash -750041837, now seen corresponding path program 1 times [2020-10-27 06:28:54,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:28:54,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069182176] [2020-10-27 06:28:54,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:28:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:54,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:54,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:54,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:55,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 06:29:00,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:29:00,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5954 [2020-10-27 06:29:00,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:29:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 06:29:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:29:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,318 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:29:00,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:29:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:29:00,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:29:00,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:29:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 06:29:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:00,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:29:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:00,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:29:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:00,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:29:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:00,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:29:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:29:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:00,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:29:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:29:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 06:29:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:00,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:29:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 06:29:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:29:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:29:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:00,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 06:29:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 06:29:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:00,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 06:29:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 06:29:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 06:29:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:29:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:00,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:00,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:00,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:00,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:00,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:00,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:00,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:00,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:00,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:00,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2020-10-27 06:29:00,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069182176] [2020-10-27 06:29:00,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:29:00,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 06:29:00,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214633552] [2020-10-27 06:29:00,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 06:29:00,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:29:00,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 06:29:00,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 06:29:00,548 INFO L87 Difference]: Start difference. First operand 144 states and 197 transitions. Second operand 5 states. [2020-10-27 06:29:03,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:29:03,486 INFO L93 Difference]: Finished difference Result 293 states and 403 transitions. [2020-10-27 06:29:03,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 06:29:03,486 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-10-27 06:29:03,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:29:03,488 INFO L225 Difference]: With dead ends: 293 [2020-10-27 06:29:03,488 INFO L226 Difference]: Without dead ends: 159 [2020-10-27 06:29:03,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 06:29:03,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-10-27 06:29:03,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 150. [2020-10-27 06:29:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-27 06:29:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 203 transitions. [2020-10-27 06:29:03,507 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 203 transitions. Word has length 155 [2020-10-27 06:29:03,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:29:03,507 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 203 transitions. [2020-10-27 06:29:03,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 06:29:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 203 transitions. [2020-10-27 06:29:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 06:29:03,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:29:03,510 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:29:03,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:29:03,510 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:29:03,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:29:03,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1905450251, now seen corresponding path program 2 times [2020-10-27 06:29:03,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:29:03,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861681086] [2020-10-27 06:29:03,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:29:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:03,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:03,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:03,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:04,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:08,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:08,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-27 06:29:08,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:29:08,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5306 [2020-10-27 06:29:08,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:29:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 06:29:08,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:08,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,091 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:29:09,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:29:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:29:09,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 06:29:09,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:09,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 06:29:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:09,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:29:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:09,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:29:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:29:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:29:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:29:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:09,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:29:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:29:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 06:29:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:29:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 06:29:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:29:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:29:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 06:29:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 06:29:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 06:29:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 06:29:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 06:29:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:29:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:09,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:09,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 06:29:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:09,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:09,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:09,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:09,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:09,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:09,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:29:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2020-10-27 06:29:09,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861681086] [2020-10-27 06:29:09,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:29:09,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 06:29:09,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080064964] [2020-10-27 06:29:09,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 06:29:09,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:29:09,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 06:29:09,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:29:09,315 INFO L87 Difference]: Start difference. First operand 150 states and 203 transitions. Second operand 6 states. [2020-10-27 06:29:12,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:29:12,293 INFO L93 Difference]: Finished difference Result 300 states and 410 transitions. [2020-10-27 06:29:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 06:29:12,294 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2020-10-27 06:29:12,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:29:12,295 INFO L225 Difference]: With dead ends: 300 [2020-10-27 06:29:12,296 INFO L226 Difference]: Without dead ends: 162 [2020-10-27 06:29:12,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:29:12,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-27 06:29:12,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2020-10-27 06:29:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-27 06:29:12,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 209 transitions. [2020-10-27 06:29:12,316 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 209 transitions. Word has length 161 [2020-10-27 06:29:12,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:29:12,317 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 209 transitions. [2020-10-27 06:29:12,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 06:29:12,317 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2020-10-27 06:29:12,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 06:29:12,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:29:12,319 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 9, 9, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:29:12,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:29:12,320 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:29:12,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:29:12,320 INFO L82 PathProgramCache]: Analyzing trace with hash -381202601, now seen corresponding path program 3 times [2020-10-27 06:29:12,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:29:12,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600449283] [2020-10-27 06:29:12,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:29:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:12,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:13,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:21,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:21,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-27 06:29:21,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9490 [2020-10-27 06:29:21,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:29:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:29:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-27 06:29:21,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,112 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:29:22,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:29:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:29:22,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 06:29:22,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:29:22,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:29:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:22,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:29:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:29:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:22,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:29:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:22,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:29:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:22,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:29:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:22,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:29:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 06:29:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:22,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:29:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 06:29:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:29:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:29:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 06:29:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 06:29:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 06:29:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 06:29:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 06:29:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:29:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:22,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 06:29:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:22,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 06:29:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:22,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:22,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:22,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:22,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:22,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2020-10-27 06:29:22,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600449283] [2020-10-27 06:29:22,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:29:22,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 06:29:22,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405085573] [2020-10-27 06:29:22,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 06:29:22,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:29:22,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 06:29:22,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:29:22,363 INFO L87 Difference]: Start difference. First operand 156 states and 209 transitions. Second operand 6 states. [2020-10-27 06:29:22,584 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 06:29:26,218 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 06:29:26,393 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:29:26,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:29:26,558 INFO L93 Difference]: Finished difference Result 287 states and 397 transitions. [2020-10-27 06:29:26,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 06:29:26,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2020-10-27 06:29:26,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:29:26,562 INFO L225 Difference]: With dead ends: 287 [2020-10-27 06:29:26,562 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 06:29:26,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:29:26,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 06:29:26,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 227. [2020-10-27 06:29:26,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-27 06:29:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 312 transitions. [2020-10-27 06:29:26,600 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 312 transitions. Word has length 167 [2020-10-27 06:29:26,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:29:26,600 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 312 transitions. [2020-10-27 06:29:26,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 06:29:26,601 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 312 transitions. [2020-10-27 06:29:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-27 06:29:26,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:29:26,606 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 9, 9, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:29:26,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:29:26,606 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:29:26,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:29:26,607 INFO L82 PathProgramCache]: Analyzing trace with hash 983189657, now seen corresponding path program 1 times [2020-10-27 06:29:26,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:29:26,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412888686] [2020-10-27 06:29:26,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:29:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:27,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:37,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:37,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-27 06:29:37,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:37,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10833 [2020-10-27 06:29:37,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:37,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 06:29:37,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:29:37,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:29:37,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:38,006 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:29:38,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:29:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:38,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:38,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:38,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:29:38,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:38,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 06:29:38,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:29:38,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:38,236 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2020-10-27 06:29:38,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 06:29:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:38,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:38,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:39,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:39,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:39,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:39,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:43,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:43,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 06:29:43,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:29:43,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 06:29:43,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:29:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:29:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 06:29:43,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:43,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:29:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:43,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:43,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:43,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:43,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:43,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 06:29:48,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:29:48,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:29:48,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:29:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:29:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 06:29:48,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:29:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:29:48,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:29:48,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:29:48,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:29:48,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:29:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:29:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:48,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:29:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:29:48,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:29:48,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:29:48,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:29:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:48,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 06:29:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:29:48,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:48,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:48,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 06:29:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:29:48,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:29:48,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:29:48,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:29:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:48,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:29:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:29:48,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:29:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:29:48,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:29:48,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:29:48,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:29:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:48,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 06:29:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:48,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 06:29:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:29:48,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:29:48,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:29:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:29:48,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:29:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:48,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 06:29:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:49,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 06:29:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:49,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 06:29:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 06:29:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 06:29:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-27 06:29:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 06:29:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-27 06:29:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 06:29:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-27 06:29:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 06:29:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-27 06:29:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-27 06:29:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 06:29:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-27 06:29:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-27 06:29:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-27 06:29:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-27 06:29:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-27 06:29:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-27 06:29:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:49,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:49,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:49,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:49,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:49,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:49,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:49,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:49,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:49,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:49,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1385 backedges. 9 proven. 35 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2020-10-27 06:29:49,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412888686] [2020-10-27 06:29:49,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:29:49,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 06:29:49,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054093284] [2020-10-27 06:29:49,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 06:29:49,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:29:49,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 06:29:49,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-27 06:29:49,331 INFO L87 Difference]: Start difference. First operand 227 states and 312 transitions. Second operand 19 states. [2020-10-27 06:29:49,521 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:29:49,949 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-27 06:29:52,638 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-27 06:29:53,937 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2020-10-27 06:29:54,592 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:29:54,811 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:29:55,177 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 06:29:56,766 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2020-10-27 06:29:57,672 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 143 [2020-10-27 06:29:58,383 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-27 06:29:59,243 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 06:30:00,301 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-27 06:30:02,632 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 06:30:08,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:30:08,331 INFO L93 Difference]: Finished difference Result 1217 states and 1786 transitions. [2020-10-27 06:30:08,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-10-27 06:30:08,332 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 268 [2020-10-27 06:30:08,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:30:08,342 INFO L225 Difference]: With dead ends: 1217 [2020-10-27 06:30:08,342 INFO L226 Difference]: Without dead ends: 1021 [2020-10-27 06:30:08,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1745 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=924, Invalid=4776, Unknown=0, NotChecked=0, Total=5700 [2020-10-27 06:30:08,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-10-27 06:30:08,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 911. [2020-10-27 06:30:08,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-10-27 06:30:08,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1320 transitions. [2020-10-27 06:30:08,460 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1320 transitions. Word has length 268 [2020-10-27 06:30:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:30:08,460 INFO L481 AbstractCegarLoop]: Abstraction has 911 states and 1320 transitions. [2020-10-27 06:30:08,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 06:30:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1320 transitions. [2020-10-27 06:30:08,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-27 06:30:08,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:30:08,471 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 9, 9, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:30:08,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:30:08,471 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:30:08,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:30:08,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1202972950, now seen corresponding path program 1 times [2020-10-27 06:30:08,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:30:08,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151902881] [2020-10-27 06:30:08,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:30:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:08,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:09,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:22,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:22,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-10-27 06:30:22,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:30:22,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14249 [2020-10-27 06:30:22,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:22,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 06:30:22,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:30:22,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-27 06:30:22,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:23,237 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-10-27 06:30:23,424 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2020-10-27 06:30:23,629 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:30:23,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:30:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:23,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:23,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:23,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:23,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 06:30:23,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:30:23,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:23,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 06:30:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:23,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:23,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:23,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:30:23,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 06:30:23,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:30:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:30:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:30:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:23,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:23,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:23,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:23,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:30:23,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:23,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 06:30:23,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:30:23,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:30:23,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:30:23,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:23,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:23,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:23,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:23,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:23,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:30:23,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:23,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:23,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:23,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:23,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:23,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:23,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:23,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:23,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:23,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:23,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:23,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:23,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:23,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:30:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:23,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:23,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:24,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:24,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 06:30:24,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:30:24,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 920 [2020-10-27 06:30:24,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:24,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:30:24,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 06:30:24,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 06:30:24,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:24,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:24,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 06:30:25,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-27 06:30:25,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:30:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 06:30:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 06:30:25,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:25,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:30:25,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:30:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:30:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:25,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:30:25,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 06:30:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:30:25,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:30:25,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:30:25,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 06:30:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:25,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:30:25,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:25,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:25,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:30:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:30:25,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:30:25,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:30:25,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:25,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:30:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:25,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:30:25,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:25,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:30:25,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 06:30:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:30:25,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:30:25,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 06:30:25,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:25,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 06:30:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:25,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:25,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:30:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:25,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 06:30:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-27 06:30:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 06:30:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-27 06:30:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 06:30:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-27 06:30:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 06:30:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-27 06:30:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-27 06:30:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 06:30:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-27 06:30:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-27 06:30:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-27 06:30:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-27 06:30:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-27 06:30:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-27 06:30:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-27 06:30:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-10-27 06:30:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:25,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:25,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-10-27 06:30:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:25,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:25,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:25,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:25,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:25,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:26,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:26,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-27 06:30:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:26,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:26,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:26,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:26,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:26,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:26,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:26,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:26,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:26,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:26,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:26,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 1495 trivial. 0 not checked. [2020-10-27 06:30:26,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151902881] [2020-10-27 06:30:26,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:30:26,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 06:30:26,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768365886] [2020-10-27 06:30:26,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 06:30:26,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:30:26,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 06:30:26,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-10-27 06:30:26,305 INFO L87 Difference]: Start difference. First operand 911 states and 1320 transitions. Second operand 22 states. [2020-10-27 06:30:26,490 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:30:26,954 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 06:30:29,593 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-27 06:30:30,511 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-27 06:30:30,803 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-27 06:30:31,509 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:30:32,086 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:30:34,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:30:34,023 INFO L93 Difference]: Finished difference Result 1916 states and 2926 transitions. [2020-10-27 06:30:34,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 06:30:34,024 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 292 [2020-10-27 06:30:34,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:30:34,035 INFO L225 Difference]: With dead ends: 1916 [2020-10-27 06:30:34,035 INFO L226 Difference]: Without dead ends: 1150 [2020-10-27 06:30:34,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=296, Invalid=1510, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 06:30:34,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2020-10-27 06:30:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1005. [2020-10-27 06:30:34,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states. [2020-10-27 06:30:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1510 transitions. [2020-10-27 06:30:34,175 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1510 transitions. Word has length 292 [2020-10-27 06:30:34,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:30:34,176 INFO L481 AbstractCegarLoop]: Abstraction has 1005 states and 1510 transitions. [2020-10-27 06:30:34,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 06:30:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1510 transitions. [2020-10-27 06:30:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-27 06:30:34,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:30:34,186 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 9, 9, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:30:34,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 06:30:34,186 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:30:34,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:30:34,187 INFO L82 PathProgramCache]: Analyzing trace with hash -299489515, now seen corresponding path program 1 times [2020-10-27 06:30:34,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:30:34,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286177004] [2020-10-27 06:30:34,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:30:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:34,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:35,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:01,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:01,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-10-27 06:31:01,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:31:01,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27643 [2020-10-27 06:31:01,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 06:31:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:31:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 06:31:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:02,291 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-10-27 06:31:02,419 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-10-27 06:31:02,618 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:31:02,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:31:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:02,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:02,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:02,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:02,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 06:31:02,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:31:02,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:02,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 06:31:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:02,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:02,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:02,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:31:02,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:02,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 06:31:02,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:31:02,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:02,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:31:02,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:02,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:02,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:02,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:02,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:31:02,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:02,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 06:31:02,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:02,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:31:02,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:02,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:31:02,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:02,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:02,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:02,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:02,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:02,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:31:02,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:31:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:02,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:02,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:02,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:02,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:02,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:02,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:02,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:02,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:02,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:31:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:03,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:03,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:03,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:03,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 06:31:03,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:31:03,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 506 [2020-10-27 06:31:03,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:03,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:31:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 06:31:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 06:31:03,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:03,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:03,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:03,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:03,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 06:31:03,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:03,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-27 06:31:03,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:31:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 06:31:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 06:31:03,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:03,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:03,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:03,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:03,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:03,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:03,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:03,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:03,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:03,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:03,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:03,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:03,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:31:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:03,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:03,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:03,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:03,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:03,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:03,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:03,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:03,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:03,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:03,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:03,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:31:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:03,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:03,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:03,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:03,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:03,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:03,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:04,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:04,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 06:31:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:31:04,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:04,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:04,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:31:04,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 06:31:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:04,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:31:04,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:04,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:04,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:31:04,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:04,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:31:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:31:04,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:31:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:04,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:04,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:31:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:04,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:04,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:31:04,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 06:31:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:04,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 06:31:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:04,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:31:04,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:31:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:04,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 06:31:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-27 06:31:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:31:04,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 06:31:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:31:04,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-27 06:31:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:31:04,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 06:31:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-27 06:31:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 06:31:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-27 06:31:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-27 06:31:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 06:31:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-27 06:31:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-27 06:31:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-27 06:31:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-27 06:31:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-27 06:31:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-27 06:31:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-27 06:31:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-10-27 06:31:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-10-27 06:31:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-27 06:31:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:04,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:04,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:04,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:04,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:04,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:04,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:04,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:04,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:04,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 1495 trivial. 0 not checked. [2020-10-27 06:31:04,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286177004] [2020-10-27 06:31:04,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:31:04,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 06:31:04,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279268729] [2020-10-27 06:31:04,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 06:31:04,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:31:04,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 06:31:04,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:31:04,571 INFO L87 Difference]: Start difference. First operand 1005 states and 1510 transitions. Second operand 18 states. [2020-10-27 06:31:04,770 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:31:05,196 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-27 06:31:07,885 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-27 06:31:08,681 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 06:31:09,092 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 06:31:12,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:31:12,011 INFO L93 Difference]: Finished difference Result 2863 states and 4573 transitions. [2020-10-27 06:31:12,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 06:31:12,012 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 292 [2020-10-27 06:31:12,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:31:12,029 INFO L225 Difference]: With dead ends: 2863 [2020-10-27 06:31:12,029 INFO L226 Difference]: Without dead ends: 1885 [2020-10-27 06:31:12,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=272, Invalid=1134, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 06:31:12,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2020-10-27 06:31:12,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1815. [2020-10-27 06:31:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2020-10-27 06:31:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2825 transitions. [2020-10-27 06:31:12,246 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2825 transitions. Word has length 292 [2020-10-27 06:31:12,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:31:12,247 INFO L481 AbstractCegarLoop]: Abstraction has 1815 states and 2825 transitions. [2020-10-27 06:31:12,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 06:31:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2825 transitions. [2020-10-27 06:31:12,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-27 06:31:12,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:31:12,264 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:31:12,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 06:31:12,264 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:31:12,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:31:12,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1646592274, now seen corresponding path program 1 times [2020-10-27 06:31:12,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:31:12,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [794020078] [2020-10-27 06:31:12,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:31:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:12,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:13,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking...