/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=DEEPEST --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/systemc/token_ring.10.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:07:00,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:07:00,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:07:00,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:07:00,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:07:00,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:07:00,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:07:00,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:07:00,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:07:00,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:07:00,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:07:00,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:07:00,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:07:00,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:07:00,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:07:00,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:07:00,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:07:00,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:07:00,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:07:00,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:07:00,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:07:00,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:07:00,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:07:00,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:07:00,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:07:00,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:07:00,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:07:00,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:07:00,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:07:00,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:07:00,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:07:00,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:07:00,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:07:00,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:07:00,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:07:00,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:07:00,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:07:00,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:07:00,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:07:00,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:07:00,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:07:00,915 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 [2020-10-28 01:07:00,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:07:00,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:07:00,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:07:00,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:07:00,966 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:07:00,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:07:00,967 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:07:00,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:07:00,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:07:00,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:07:00,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:07:00,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:07:00,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:07:00,969 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:07:00,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:07:00,969 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:07:00,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:07:00,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:07:00,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:07:00,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:07:00,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:07:00,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:07:00,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:07:00,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:07:00,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:07:00,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:07:00,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:07:00,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:07:00,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:07:00,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:07:01,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:07:01,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:07:01,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:07:01,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:07:01,521 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:07:01,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.10.cil-1.c [2020-10-28 01:07:01,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88e5ad9c3/3742c5e63a894d1699d95aca2e623135/FLAG75c8c7329 [2020-10-28 01:07:02,401 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:07:02,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.10.cil-1.c [2020-10-28 01:07:02,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88e5ad9c3/3742c5e63a894d1699d95aca2e623135/FLAG75c8c7329 [2020-10-28 01:07:02,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88e5ad9c3/3742c5e63a894d1699d95aca2e623135 [2020-10-28 01:07:02,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:07:02,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:07:02,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:07:02,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:07:02,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:07:02,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:07:02" (1/1) ... [2020-10-28 01:07:02,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f78def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:02, skipping insertion in model container [2020-10-28 01:07:02,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:07:02" (1/1) ... [2020-10-28 01:07:02,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:07:02,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:07:03,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:07:03,251 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:07:03,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:07:03,368 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:07:03,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:03 WrapperNode [2020-10-28 01:07:03,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:07:03,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:07:03,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:07:03,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:07:03,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:03" (1/1) ... [2020-10-28 01:07:03,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:03" (1/1) ... [2020-10-28 01:07:03,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:03" (1/1) ... [2020-10-28 01:07:03,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:03" (1/1) ... [2020-10-28 01:07:03,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:03" (1/1) ... [2020-10-28 01:07:03,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:03" (1/1) ... [2020-10-28 01:07:03,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:03" (1/1) ... [2020-10-28 01:07:03,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:07:03,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:07:03,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:07:03,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:07:03,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:03" (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 [2020-10-28 01:07:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:07:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:07:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:07:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:07:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:07:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:07:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:07:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:07:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 01:07:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 01:07:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 01:07:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 01:07:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 01:07:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 01:07:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-28 01:07:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:07:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:07:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:07:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:07:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 01:07:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 01:07:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 01:07:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 01:07:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 01:07:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 01:07:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-28 01:07:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:07:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:07:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:07:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:07:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:07:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:07:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:07:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:07:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:07:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:07:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:07:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:07:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:07:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:07:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:07:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:07:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:07:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:07:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:07:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:07:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:07:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:07:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:07:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 01:07:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 01:07:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 01:07:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 01:07:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 01:07:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 01:07:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-28 01:07:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:07:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:07:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:07:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:07:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:07:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:07:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 01:07:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 01:07:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 01:07:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 01:07:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 01:07:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 01:07:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-28 01:07:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:07:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:07:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:07:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:07:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:07:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:07:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:07:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:07:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:07:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:07:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:07:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:07:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:07:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:07:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:07:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:07:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:07:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:07:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:07:05,027 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:07:05,028 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-28 01:07:05,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:07:05 BoogieIcfgContainer [2020-10-28 01:07:05,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:07:05,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:07:05,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:07:05,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:07:05,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:07:02" (1/3) ... [2020-10-28 01:07:05,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7372d383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:07:05, skipping insertion in model container [2020-10-28 01:07:05,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:03" (2/3) ... [2020-10-28 01:07:05,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7372d383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:07:05, skipping insertion in model container [2020-10-28 01:07:05,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:07:05" (3/3) ... [2020-10-28 01:07:05,040 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.10.cil-1.c [2020-10-28 01:07:05,052 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:07:05,058 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:07:05,072 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:07:05,104 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:07:05,104 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:07:05,104 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:07:05,104 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:07:05,105 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:07:05,105 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:07:05,105 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:07:05,105 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:07:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2020-10-28 01:07:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:07:05,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:05,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:05,185 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:05,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:05,196 INFO L82 PathProgramCache]: Analyzing trace with hash 8910239, now seen corresponding path program 1 times [2020-10-28 01:07:05,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:05,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614741580] [2020-10-28 01:07:05,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:05,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:05,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:07,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:10,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:10,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:07:10,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 01:07:10,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 01:07:10,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:10,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:10,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-28 01:07:10,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:10,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:07:11,314 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:07:11,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:11,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 01:07:11,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:11,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:11,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:11,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:11,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:07:11,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:07:11,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:07:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:07:11,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:07:11,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:07:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:07:16,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 01:07:16,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:07:16,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:16,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 01:07:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:16,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:16,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:16,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:16,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:16,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:16,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:16,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:16,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:16,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:16,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:16,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:07:16,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:16,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:16,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:16,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:16,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:16,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:16,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:07:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:16,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:07:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:16,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:16,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:07:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:07:16,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:07:16,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:07:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:16,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:07:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:16,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:16,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:16,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:16,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:16,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:16,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:16,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:16,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:16,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:16,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:17,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614741580] [2020-10-28 01:07:17,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:17,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:17,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292407540] [2020-10-28 01:07:17,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:17,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:17,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:17,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:17,177 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 10 states. [2020-10-28 01:07:17,445 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:07:17,683 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:07:19,961 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:07:20,356 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 01:07:20,752 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:07:20,910 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-28 01:07:21,298 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:07:21,439 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-28 01:07:26,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:26,830 INFO L93 Difference]: Finished difference Result 1095 states and 1806 transitions. [2020-10-28 01:07:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:07:26,832 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2020-10-28 01:07:26,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:26,858 INFO L225 Difference]: With dead ends: 1095 [2020-10-28 01:07:26,858 INFO L226 Difference]: Without dead ends: 687 [2020-10-28 01:07:26,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:07:26,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-10-28 01:07:27,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 418. [2020-10-28 01:07:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-10-28 01:07:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 609 transitions. [2020-10-28 01:07:27,082 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 609 transitions. Word has length 205 [2020-10-28 01:07:27,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:27,084 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 609 transitions. [2020-10-28 01:07:27,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:07:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 609 transitions. [2020-10-28 01:07:27,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:07:27,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:27,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:27,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:07:27,089 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:27,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:27,090 INFO L82 PathProgramCache]: Analyzing trace with hash -483715935, now seen corresponding path program 1 times [2020-10-28 01:07:27,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:27,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907385936] [2020-10-28 01:07:27,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:27,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:31,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:31,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:07:32,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 01:07:32,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-28 01:07:32,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-28 01:07:32,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:32,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,567 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:07:32,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:32,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:07:32,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:32,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:32,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:32,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:32,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:07:32,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:32,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:07:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:07:32,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:07:32,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:07:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:07:34,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 01:07:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1765 [2020-10-28 01:07:34,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 01:07:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:34,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:34,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:34,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:34,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:34,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:34,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:34,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:34,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:34,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:34,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:34,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:34,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:07:34,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:34,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:07:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:34,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:07:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:34,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:34,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:07:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:07:34,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:07:34,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:07:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:07:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:34,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:34,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:34,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:34,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:34,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:34,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907385936] [2020-10-28 01:07:34,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:34,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:34,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302928079] [2020-10-28 01:07:34,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:34,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:34,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:34,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:34,838 INFO L87 Difference]: Start difference. First operand 418 states and 609 transitions. Second operand 10 states. [2020-10-28 01:07:36,809 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:07:37,194 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 01:07:37,352 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:07:37,719 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:07:37,891 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:07:38,237 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:07:45,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:45,102 INFO L93 Difference]: Finished difference Result 1100 states and 1718 transitions. [2020-10-28 01:07:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:07:45,103 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2020-10-28 01:07:45,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:45,111 INFO L225 Difference]: With dead ends: 1100 [2020-10-28 01:07:45,111 INFO L226 Difference]: Without dead ends: 711 [2020-10-28 01:07:45,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:07:45,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2020-10-28 01:07:45,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 423. [2020-10-28 01:07:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-10-28 01:07:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 614 transitions. [2020-10-28 01:07:45,215 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 614 transitions. Word has length 205 [2020-10-28 01:07:45,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:45,216 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 614 transitions. [2020-10-28 01:07:45,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:07:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 614 transitions. [2020-10-28 01:07:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:07:45,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:45,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:45,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:07:45,219 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:45,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:45,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1518170335, now seen corresponding path program 1 times [2020-10-28 01:07:45,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:45,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [848045242] [2020-10-28 01:07:45,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:45,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:46,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:47,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:48,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:48,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:49,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:07:50,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-28 01:07:50,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 01:07:50,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-28 01:07:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:50,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,791 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:07:50,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:50,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:07:50,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:50,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:50,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:50,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:50,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:50,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:50,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:07:50,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:07:50,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:07:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:07:51,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:07:51,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:51,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:07:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:07:51,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:07:51,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-28 01:07:51,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:51,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:07:51,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:51,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:51,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:51,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:51,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:51,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:51,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:07:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:51,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:07:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:51,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:51,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:07:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:07:51,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:07:51,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:07:51,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:07:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:51,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:51,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:51,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [848045242] [2020-10-28 01:07:51,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:51,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:51,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618133301] [2020-10-28 01:07:51,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:51,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:51,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:51,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:51,683 INFO L87 Difference]: Start difference. First operand 423 states and 614 transitions. Second operand 10 states. [2020-10-28 01:07:52,025 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:07:53,592 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:07:53,986 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 01:07:54,147 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:07:54,545 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:07:54,715 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:07:55,098 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:08:02,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:02,688 INFO L93 Difference]: Finished difference Result 1117 states and 1739 transitions. [2020-10-28 01:08:02,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:08:02,689 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2020-10-28 01:08:02,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:02,697 INFO L225 Difference]: With dead ends: 1117 [2020-10-28 01:08:02,697 INFO L226 Difference]: Without dead ends: 723 [2020-10-28 01:08:02,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:08:02,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-10-28 01:08:02,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 428. [2020-10-28 01:08:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-28 01:08:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 619 transitions. [2020-10-28 01:08:02,790 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 619 transitions. Word has length 205 [2020-10-28 01:08:02,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:02,791 INFO L481 AbstractCegarLoop]: Abstraction has 428 states and 619 transitions. [2020-10-28 01:08:02,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:08:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 619 transitions. [2020-10-28 01:08:02,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:08:02,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:02,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:02,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:08:02,795 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:02,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:02,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1914963359, now seen corresponding path program 1 times [2020-10-28 01:08:02,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:02,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235266031] [2020-10-28 01:08:02,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:02,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:02,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:07,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:07,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:08:07,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-28 01:08:07,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-28 01:08:07,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:08:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-28 01:08:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:08:07,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,225 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:08:08,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:08,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:08:08,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:08,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:08,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:08,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:08:08,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:08:08,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:08:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:08:08,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:08,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:08:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:08:08,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-28 01:08:08,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:08:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 01:08:08,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:08:08,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:08,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:08:08,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:08,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:08,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:08,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:08:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:08,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:08:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:08,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:08:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:08:08,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:08:08,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:08:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:08:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:08,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:08,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:08,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:08,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235266031] [2020-10-28 01:08:08,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:08,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:08:08,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904624139] [2020-10-28 01:08:08,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:08:08,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:08,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:08:08,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:08:08,782 INFO L87 Difference]: Start difference. First operand 428 states and 619 transitions. Second operand 10 states. [2020-10-28 01:08:08,943 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:08:09,164 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:08:10,670 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:08:11,083 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 01:08:11,257 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:08:11,643 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:08:11,810 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-28 01:08:12,206 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:08:20,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:20,042 INFO L93 Difference]: Finished difference Result 1134 states and 1760 transitions. [2020-10-28 01:08:20,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:08:20,043 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2020-10-28 01:08:20,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:20,049 INFO L225 Difference]: With dead ends: 1134 [2020-10-28 01:08:20,050 INFO L226 Difference]: Without dead ends: 735 [2020-10-28 01:08:20,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:08:20,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-10-28 01:08:20,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 433. [2020-10-28 01:08:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-10-28 01:08:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 624 transitions. [2020-10-28 01:08:20,135 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 624 transitions. Word has length 205 [2020-10-28 01:08:20,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:20,135 INFO L481 AbstractCegarLoop]: Abstraction has 433 states and 624 transitions. [2020-10-28 01:08:20,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:08:20,135 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 624 transitions. [2020-10-28 01:08:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:08:20,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:20,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:20,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:08:20,140 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:20,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:20,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1626143969, now seen corresponding path program 1 times [2020-10-28 01:08:20,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:20,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140102628] [2020-10-28 01:08:20,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:20,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:20,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:20,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:20,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:20,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:20,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:20,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:22,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:22,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:22,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:22,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:08:25,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 01:08:25,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 01:08:25,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 01:08:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-28 01:08:25,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,569 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:08:25,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:25,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:25,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:25,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:25,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:25,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:25,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:08:25,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:25,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:08:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:08:25,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:08:25,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:25,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:25,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:08:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:08:25,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:08:25,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 01:08:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:08:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:08:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:25,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:25,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:08:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:08:25,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 01:08:25,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:25,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:25,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 01:08:25,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:25,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:08:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:25,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:25,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:25,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:25,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:25,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:25,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:26,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140102628] [2020-10-28 01:08:26,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:26,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:08:26,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286419630] [2020-10-28 01:08:26,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:08:26,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:26,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:08:26,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:08:26,042 INFO L87 Difference]: Start difference. First operand 433 states and 624 transitions. Second operand 9 states. [2020-10-28 01:08:26,206 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:08:27,890 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:08:28,149 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:08:31,083 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 01:08:32,062 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-28 01:08:43,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:43,461 INFO L93 Difference]: Finished difference Result 1952 states and 2952 transitions. [2020-10-28 01:08:43,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 01:08:43,462 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-10-28 01:08:43,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:43,474 INFO L225 Difference]: With dead ends: 1952 [2020-10-28 01:08:43,474 INFO L226 Difference]: Without dead ends: 1549 [2020-10-28 01:08:43,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-28 01:08:43,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2020-10-28 01:08:43,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1134. [2020-10-28 01:08:43,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2020-10-28 01:08:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1674 transitions. [2020-10-28 01:08:43,710 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1674 transitions. Word has length 205 [2020-10-28 01:08:43,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:43,711 INFO L481 AbstractCegarLoop]: Abstraction has 1134 states and 1674 transitions. [2020-10-28 01:08:43,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:08:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1674 transitions. [2020-10-28 01:08:43,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:08:43,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:43,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:43,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:08:43,716 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:43,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:43,716 INFO L82 PathProgramCache]: Analyzing trace with hash -2049790691, now seen corresponding path program 1 times [2020-10-28 01:08:43,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:43,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391110283] [2020-10-28 01:08:43,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:43,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:43,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:43,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:43,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:45,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:46,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:46,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:48,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:48,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:08:48,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 01:08:48,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 01:08:48,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:08:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 01:08:48,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,161 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:08:49,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:49,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:08:49,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:49,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:49,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:08:49,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:49,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:49,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:49,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:08:49,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:08:49,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:08:49,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:49,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:49,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 01:08:49,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:08:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:08:49,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:08:49,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:08:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:08:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:08:49,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:08:49,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 01:08:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:49,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:49,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:49,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:49,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:49,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:49,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:49,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:49,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:49,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:08:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:49,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:08:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:49,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:49,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:08:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:08:49,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:08:49,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:08:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:08:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:49,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:49,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:49,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:49,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:49,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:49,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:49,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391110283] [2020-10-28 01:08:49,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:49,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:08:49,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131950922] [2020-10-28 01:08:49,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:08:49,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:49,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:08:49,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:08:49,543 INFO L87 Difference]: Start difference. First operand 1134 states and 1674 transitions. Second operand 8 states. [2020-10-28 01:08:49,962 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:08:50,108 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:08:50,513 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:08:50,694 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:08:51,001 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-28 01:08:57,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:57,979 INFO L93 Difference]: Finished difference Result 2600 states and 3892 transitions. [2020-10-28 01:08:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:08:57,980 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2020-10-28 01:08:57,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:57,991 INFO L225 Difference]: With dead ends: 2600 [2020-10-28 01:08:57,991 INFO L226 Difference]: Without dead ends: 1486 [2020-10-28 01:08:57,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:08:57,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2020-10-28 01:08:58,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1134. [2020-10-28 01:08:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2020-10-28 01:08:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1673 transitions. [2020-10-28 01:08:58,217 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1673 transitions. Word has length 205 [2020-10-28 01:08:58,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:58,217 INFO L481 AbstractCegarLoop]: Abstraction has 1134 states and 1673 transitions. [2020-10-28 01:08:58,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:08:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1673 transitions. [2020-10-28 01:08:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:08:58,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:58,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:58,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:08:58,221 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:58,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:58,221 INFO L82 PathProgramCache]: Analyzing trace with hash 721413983, now seen corresponding path program 1 times [2020-10-28 01:08:58,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:58,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448744991] [2020-10-28 01:08:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:58,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:01,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:09:03,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 01:09:03,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-28 01:09:03,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:03,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 01:09:03,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-28 01:09:03,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,666 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:09:03,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:03,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:09:03,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:03,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:03,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:03,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:03,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:09:03,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:09:03,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:09:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:03,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:09:03,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:09:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:09:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:09:03,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 01:09:03,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 01:09:03,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:03,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:03,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:03,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:03,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:03,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:03,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:03,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:03,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:03,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:03,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:09:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:03,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:03,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:09:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:03,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:09:03,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:03,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:09:03,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 01:09:03,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:04,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:09:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:04,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:04,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:04,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:04,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:04,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:04,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:04,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:04,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448744991] [2020-10-28 01:09:04,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:04,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:09:04,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303940312] [2020-10-28 01:09:04,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:09:04,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:04,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:09:04,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:09:04,070 INFO L87 Difference]: Start difference. First operand 1134 states and 1673 transitions. Second operand 9 states. [2020-10-28 01:09:04,237 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:09:04,471 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:09:05,964 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:09:06,256 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:09:07,141 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:09:07,477 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:09:20,889 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 01:09:31,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:31,289 INFO L93 Difference]: Finished difference Result 5168 states and 8199 transitions. [2020-10-28 01:09:31,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-28 01:09:31,290 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-10-28 01:09:31,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:31,317 INFO L225 Difference]: With dead ends: 5168 [2020-10-28 01:09:31,317 INFO L226 Difference]: Without dead ends: 4066 [2020-10-28 01:09:31,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2020-10-28 01:09:31,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4066 states. [2020-10-28 01:09:32,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4066 to 3108. [2020-10-28 01:09:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3108 states. [2020-10-28 01:09:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 3108 states and 4674 transitions. [2020-10-28 01:09:32,042 INFO L78 Accepts]: Start accepts. Automaton has 3108 states and 4674 transitions. Word has length 205 [2020-10-28 01:09:32,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:32,043 INFO L481 AbstractCegarLoop]: Abstraction has 3108 states and 4674 transitions. [2020-10-28 01:09:32,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:09:32,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3108 states and 4674 transitions. [2020-10-28 01:09:32,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:09:32,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:32,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:32,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:09:32,049 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:32,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:32,050 INFO L82 PathProgramCache]: Analyzing trace with hash 793800541, now seen corresponding path program 1 times [2020-10-28 01:09:32,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:32,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996521934] [2020-10-28 01:09:32,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:33,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:33,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:35,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:09:37,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-28 01:09:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-28 01:09:37,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:09:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:09:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-28 01:09:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,546 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:09:37,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:37,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:09:37,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:09:37,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:37,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:09:37,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:09:37,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:37,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:37,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:09:37,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:09:37,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:09:37,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 01:09:37,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:09:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:37,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:09:37,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 01:09:37,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:09:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:09:37,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 01:09:37,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-28 01:09:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 01:09:37,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:37,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:37,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:37,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:37,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:37,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:37,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:37,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:37,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:37,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:37,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:37,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:37,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:37,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:09:37,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:37,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:09:37,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:37,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:09:37,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:37,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:09:37,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:09:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:37,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:37,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:37,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:37,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:09:37,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:09:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:37,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:09:37,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:09:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:37,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:09:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:37,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:37,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:37,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:37,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:37,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:37,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:37,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:37,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:37,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996521934] [2020-10-28 01:09:37,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:37,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:09:37,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116791448] [2020-10-28 01:09:37,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:09:37,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:37,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:09:37,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:09:37,928 INFO L87 Difference]: Start difference. First operand 3108 states and 4674 transitions. Second operand 8 states. [2020-10-28 01:09:38,287 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:09:38,428 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:09:38,626 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:09:41,940 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:09:42,611 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:09:51,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:51,499 INFO L93 Difference]: Finished difference Result 10898 states and 17125 transitions. [2020-10-28 01:09:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:09:51,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2020-10-28 01:09:51,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:51,545 INFO L225 Difference]: With dead ends: 10898 [2020-10-28 01:09:51,545 INFO L226 Difference]: Without dead ends: 7823 [2020-10-28 01:09:51,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:09:51,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7823 states. [2020-10-28 01:09:52,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7823 to 6166. [2020-10-28 01:09:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6166 states. [2020-10-28 01:09:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6166 states to 6166 states and 9265 transitions. [2020-10-28 01:09:52,992 INFO L78 Accepts]: Start accepts. Automaton has 6166 states and 9265 transitions. Word has length 205 [2020-10-28 01:09:52,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:52,992 INFO L481 AbstractCegarLoop]: Abstraction has 6166 states and 9265 transitions. [2020-10-28 01:09:52,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:09:52,993 INFO L276 IsEmpty]: Start isEmpty. Operand 6166 states and 9265 transitions. [2020-10-28 01:09:52,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:09:52,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:52,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:52,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:09:52,999 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:52,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:52,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1753709757, now seen corresponding path program 1 times [2020-10-28 01:09:53,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:53,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561388974] [2020-10-28 01:09:53,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:53,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:09:58,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 01:09:58,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 01:09:58,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-10-28 01:09:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:58,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,388 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:09:58,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:58,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:09:58,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:58,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:09:58,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:58,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:58,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:09:58,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:58,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:09:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:58,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:09:58,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:09:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:09:58,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 01:09:58,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:58,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 01:09:58,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:58,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:58,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:58,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:58,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:58,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:09:58,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:58,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:09:58,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:58,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:09:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:09:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:58,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:09:58,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:09:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:09:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:58,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:58,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561388974] [2020-10-28 01:09:58,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:58,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:09:58,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442528641] [2020-10-28 01:09:58,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:09:58,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:58,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:09:58,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:09:58,845 INFO L87 Difference]: Start difference. First operand 6166 states and 9265 transitions. Second operand 10 states. [2020-10-28 01:09:59,004 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:09:59,206 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:10:01,394 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:10:01,771 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 01:10:02,148 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:10:02,303 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-28 01:10:02,659 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 01:10:02,799 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:10:10,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:10,887 INFO L93 Difference]: Finished difference Result 14146 states and 22319 transitions. [2020-10-28 01:10:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:10:10,887 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2020-10-28 01:10:10,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:10,935 INFO L225 Difference]: With dead ends: 14146 [2020-10-28 01:10:10,935 INFO L226 Difference]: Without dead ends: 8013 [2020-10-28 01:10:10,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:10:10,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8013 states. [2020-10-28 01:10:12,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8013 to 6211. [2020-10-28 01:10:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6211 states. [2020-10-28 01:10:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6211 states to 6211 states and 9301 transitions. [2020-10-28 01:10:12,064 INFO L78 Accepts]: Start accepts. Automaton has 6211 states and 9301 transitions. Word has length 205 [2020-10-28 01:10:12,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:12,064 INFO L481 AbstractCegarLoop]: Abstraction has 6211 states and 9301 transitions. [2020-10-28 01:10:12,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:10:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand 6211 states and 9301 transitions. [2020-10-28 01:10:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:10:12,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:12,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:12,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:10:12,070 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:12,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:12,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1324709280, now seen corresponding path program 1 times [2020-10-28 01:10:12,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:12,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469371167] [2020-10-28 01:10:12,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:14,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:14,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:14,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:14,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:14,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:14,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:10:17,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 01:10:17,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 01:10:17,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:10:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:10:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 01:10:17,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,473 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:10:17,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:10:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:17,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:10:17,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:10:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:10:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:17,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:10:17,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:10:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:10:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:10:17,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:17,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:17,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:10:17,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:10:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:10:17,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:10:17,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:17,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 01:10:17,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:10:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:10:17,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:10:17,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:10:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:10:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 01:10:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:10:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:10:17,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:10:17,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 01:10:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:10:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:17,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:10:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:17,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:10:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:17,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:17,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:10:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:17,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:10:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:17,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:10:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:17,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:10:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:17,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:10:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:17,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:10:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:17,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:10:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:17,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:17,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:10:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:10:17,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:10:17,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:10:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:10:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:10:17,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:17,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:10:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:10:17,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469371167] [2020-10-28 01:10:17,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:10:17,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:10:17,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879822084] [2020-10-28 01:10:17,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:10:17,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:10:17,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:10:17,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:10:17,851 INFO L87 Difference]: Start difference. First operand 6211 states and 9301 transitions. Second operand 9 states. [2020-10-28 01:10:18,223 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:10:18,357 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:10:18,552 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:10:26,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:26,955 INFO L93 Difference]: Finished difference Result 11909 states and 18375 transitions. [2020-10-28 01:10:26,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 01:10:26,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-10-28 01:10:26,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:26,992 INFO L225 Difference]: With dead ends: 11909 [2020-10-28 01:10:26,992 INFO L226 Difference]: Without dead ends: 7869 [2020-10-28 01:10:27,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:10:27,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7869 states. [2020-10-28 01:10:28,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7869 to 6211. [2020-10-28 01:10:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6211 states. [2020-10-28 01:10:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6211 states to 6211 states and 9260 transitions. [2020-10-28 01:10:28,089 INFO L78 Accepts]: Start accepts. Automaton has 6211 states and 9260 transitions. Word has length 205 [2020-10-28 01:10:28,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:28,090 INFO L481 AbstractCegarLoop]: Abstraction has 6211 states and 9260 transitions. [2020-10-28 01:10:28,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:10:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 6211 states and 9260 transitions. [2020-10-28 01:10:28,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 01:10:28,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:28,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:28,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 01:10:28,095 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:28,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:28,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1434400833, now seen corresponding path program 1 times [2020-10-28 01:10:28,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:28,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [324833844] [2020-10-28 01:10:28,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:28,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:30,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:30,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:30,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:32,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-28 01:10:33,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 01:10:33,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 01:10:33,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:10:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:10:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-28 01:10:33,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,504 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:10:33,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:10:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:33,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:10:33,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:10:33,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:10:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:10:33,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:10:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:10:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:10:33,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:10:33,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:10:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:10:33,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:10:33,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 01:10:33,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,782 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:10:33,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:10:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:10:33,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:10:33,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 01:10:33,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:10:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:10:33,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:10:33,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-28 01:10:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 01:10:33,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:10:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:10:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:33,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:10:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:10:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:10:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:10:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:10:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:10:33,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:10:33,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:10:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:10:33,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:10:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:10:33,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:33,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:10:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:10:33,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:33,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:10:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:10:33,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:10:33,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:10:33,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:10:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:10:33,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:10:33,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:10:34,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [324833844] [2020-10-28 01:10:34,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:10:34,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:10:34,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371191282] [2020-10-28 01:10:34,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:10:34,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:10:34,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:10:34,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:10:34,011 INFO L87 Difference]: Start difference. First operand 6211 states and 9260 transitions. Second operand 8 states. [2020-10-28 01:10:34,413 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:10:34,565 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:10:34,797 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:10:38,352 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:10:39,108 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204