/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/bist_cell.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:30:19,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:30:19,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:30:19,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:30:19,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:30:19,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:30:19,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:30:19,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:30:19,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:30:19,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:30:19,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:30:19,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:30:19,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:30:19,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:30:19,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:30:19,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:30:19,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:30:19,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:30:19,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:30:19,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:30:19,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:30:19,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:30:19,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:30:19,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:30:19,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:30:19,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:30:19,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:30:19,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:30:19,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:30:19,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:30:19,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:30:19,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:30:19,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:30:19,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:30:19,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:30:19,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:30:19,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:30:19,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:30:19,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:30:19,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:30:19,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:30:19,762 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 06:30:19,789 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:30:19,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:30:19,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:30:19,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:30:19,792 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:30:19,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:30:19,792 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:30:19,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:30:19,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:30:19,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:30:19,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:30:19,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:30:19,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:30:19,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:30:19,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:30:19,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:30:19,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:30:19,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:30:19,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:30:19,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:30:19,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:30:19,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:30:19,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:30:19,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:30:19,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:30:19,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:30:19,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:30:19,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:30:19,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:30:19,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:30:20,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:30:20,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:30:20,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:30:20,275 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:30:20,276 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:30:20,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/bist_cell.cil.c [2020-10-27 06:30:20,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3a24282f/82556fdf15c9404782435d00ad76ec77/FLAG1efbcccfe [2020-10-27 06:30:20,986 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:30:20,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/bist_cell.cil.c [2020-10-27 06:30:21,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3a24282f/82556fdf15c9404782435d00ad76ec77/FLAG1efbcccfe [2020-10-27 06:30:21,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3a24282f/82556fdf15c9404782435d00ad76ec77 [2020-10-27 06:30:21,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:30:21,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:30:21,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:30:21,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:30:21,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:30:21,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:30:21" (1/1) ... [2020-10-27 06:30:21,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34086f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21, skipping insertion in model container [2020-10-27 06:30:21,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:30:21" (1/1) ... [2020-10-27 06:30:21,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:30:21,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:30:21,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:30:21,646 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:30:21,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:30:21,780 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:30:21,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21 WrapperNode [2020-10-27 06:30:21,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:30:21,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:30:21,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:30:21,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:30:21,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21" (1/1) ... [2020-10-27 06:30:21,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21" (1/1) ... [2020-10-27 06:30:21,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21" (1/1) ... [2020-10-27 06:30:21,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21" (1/1) ... [2020-10-27 06:30:21,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21" (1/1) ... [2020-10-27 06:30:21,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21" (1/1) ... [2020-10-27 06:30:21,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21" (1/1) ... [2020-10-27 06:30:21,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:30:21,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:30:21,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:30:21,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:30:21,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:30:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:30:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:30:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:30:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:30:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure method1 [2020-10-27 06:30:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure is_method1_triggered [2020-10-27 06:30:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure update_b0 [2020-10-27 06:30:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure update_b1 [2020-10-27 06:30:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure update_d0 [2020-10-27 06:30:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure update_d1 [2020-10-27 06:30:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure update_z [2020-10-27 06:30:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:30:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:30:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:30:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:30:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:30:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:30:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:30:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:30:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:30:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:30:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:30:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:30:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:30:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:30:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:30:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:30:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:30:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure method1 [2020-10-27 06:30:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure is_method1_triggered [2020-10-27 06:30:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure update_b0 [2020-10-27 06:30:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure update_b1 [2020-10-27 06:30:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure update_d0 [2020-10-27 06:30:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure update_d1 [2020-10-27 06:30:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure update_z [2020-10-27 06:30:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:30:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:30:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:30:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:30:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:30:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:30:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:30:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:30:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:30:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:30:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:30:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:30:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:30:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:30:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:30:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:30:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:30:22,833 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:30:22,834 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 06:30:22,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:30:22 BoogieIcfgContainer [2020-10-27 06:30:22,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:30:22,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:30:22,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:30:22,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:30:22,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:30:21" (1/3) ... [2020-10-27 06:30:22,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7244455d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:30:22, skipping insertion in model container [2020-10-27 06:30:22,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:30:21" (2/3) ... [2020-10-27 06:30:22,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7244455d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:30:22, skipping insertion in model container [2020-10-27 06:30:22,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:30:22" (3/3) ... [2020-10-27 06:30:22,846 INFO L111 eAbstractionObserver]: Analyzing ICFG bist_cell.cil.c [2020-10-27 06:30:22,859 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:30:22,865 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:30:22,880 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:30:22,911 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:30:22,911 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:30:22,911 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:30:22,911 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:30:22,911 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:30:22,912 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:30:22,912 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:30:22,912 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:30:22,935 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-10-27 06:30:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-27 06:30:22,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:30:22,946 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] [2020-10-27 06:30:22,946 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:30:22,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:30:22,954 INFO L82 PathProgramCache]: Analyzing trace with hash -323642977, now seen corresponding path program 1 times [2020-10-27 06:30:22,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:30:22,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065517950] [2020-10-27 06:30:22,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:30:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:23,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:23,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:23,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:24,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:24,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:24,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:24,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:24,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:24,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:25,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:28,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:28,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 06:30:28,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 06:30:28,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 06:30:28,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:28,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:30:28,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:30:28,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:30:28,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:30:28,592 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 06:30:28,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:30:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:28,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:28,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:28,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:28,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:28,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:30:28,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:28,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:28,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:30:28,755 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-27 06:30:28,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:30:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:28,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:28,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:28,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:28,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:28,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 06:30:28,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:30:28,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 06:30:28,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:30:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:28,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:28,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:29,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:29,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:29,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:29,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 06:30:29,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:30:29,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-10-27 06:30:29,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:29,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:30:29,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:30:29,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 06:30:29,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:29,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:29,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:29,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:29,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:29,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:30:29,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:29,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:30:29,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:30:29,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:30:29,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:29,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:30:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:29,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:29,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:29,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:29,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:29,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:30:29,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:29,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:29,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:29,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:30:29,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:29,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 06:30:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:29,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:29,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:29,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:29,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:30:29,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:29,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:30:29,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:30:29,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:30:29,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:29,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:30:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:29,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:29,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:29,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:29,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:29,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:30:29,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:29,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:29,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:29,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:29,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:29,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:29,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:30:29,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:29,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:30:29,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:29,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:29,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:29,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:30:29,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:30:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:29,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:29,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:29,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:29,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:29,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:30:29,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:29,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:30:29,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065517950] [2020-10-27 06:30:29,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:30:29,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 06:30:29,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259330816] [2020-10-27 06:30:29,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 06:30:29,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:30:29,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 06:30:29,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 06:30:29,814 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 12 states. [2020-10-27 06:30:30,257 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 06:30:31,144 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-27 06:30:35,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:30:35,376 INFO L93 Difference]: Finished difference Result 620 states and 1043 transitions. [2020-10-27 06:30:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:30:35,379 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-10-27 06:30:35,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:30:35,405 INFO L225 Difference]: With dead ends: 620 [2020-10-27 06:30:35,406 INFO L226 Difference]: Without dead ends: 453 [2020-10-27 06:30:35,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=181, Invalid=469, Unknown=0, NotChecked=0, Total=650 [2020-10-27 06:30:35,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2020-10-27 06:30:35,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 304. [2020-10-27 06:30:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-27 06:30:35,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 435 transitions. [2020-10-27 06:30:35,673 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 435 transitions. Word has length 59 [2020-10-27 06:30:35,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:30:35,674 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 435 transitions. [2020-10-27 06:30:35,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 06:30:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 435 transitions. [2020-10-27 06:30:35,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 06:30:35,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:30:35,685 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:30:35,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:30:35,686 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:30:35,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:30:35,687 INFO L82 PathProgramCache]: Analyzing trace with hash -543133495, now seen corresponding path program 1 times [2020-10-27 06:30:35,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:30:35,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775880009] [2020-10-27 06:30:35,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:30:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:35,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:35,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:35,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:35,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:35,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:35,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:40,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:40,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 06:30:40,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:30:40,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:30:40,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:40,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:30:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 06:30:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:40,914 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 06:30:40,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:30:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:40,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:40,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:40,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:40,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:40,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:30:40,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:40,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:40,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:41,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:30:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:41,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:41,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:41,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:41,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:41,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:30:41,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:41,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:41,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:41,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:30:41,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:30:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:41,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:41,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:41,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:41,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:41,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:43,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:43,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:43,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 06:30:46,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:30:46,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:30:46,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:30:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-27 06:30:46,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:46,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:30:46,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:46,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:30:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:46,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:30:46,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:30:46,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 06:30:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:46,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:46,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:30:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:46,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:30:46,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:46,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:30:46,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:46,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:46,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:30:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:46,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:46,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:46,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 06:30:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:30:46,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:46,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:30:46,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:30:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:30:46,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:46,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:46,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:30:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:46,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:30:46,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 06:30:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:46,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:30:46,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:46,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 06:30:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:46,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:30:46,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:46,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:30:46,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:46,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:46,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:46,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:30:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:46,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:46,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:46,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 06:30:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:30:46,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:30:46,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 06:30:46,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:30:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:46,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:46,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:46,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:30:46,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:46,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:46,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:46,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-27 06:30:46,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775880009] [2020-10-27 06:30:46,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:30:46,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:30:46,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531526449] [2020-10-27 06:30:46,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:30:46,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:30:46,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:30:46,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:30:46,513 INFO L87 Difference]: Start difference. First operand 304 states and 435 transitions. Second operand 11 states. [2020-10-27 06:30:46,660 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 06:30:48,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:30:48,826 INFO L93 Difference]: Finished difference Result 724 states and 1120 transitions. [2020-10-27 06:30:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 06:30:48,827 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2020-10-27 06:30:48,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:30:48,834 INFO L225 Difference]: With dead ends: 724 [2020-10-27 06:30:48,834 INFO L226 Difference]: Without dead ends: 438 [2020-10-27 06:30:48,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-10-27 06:30:48,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-27 06:30:48,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 304. [2020-10-27 06:30:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-27 06:30:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 433 transitions. [2020-10-27 06:30:48,934 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 433 transitions. Word has length 126 [2020-10-27 06:30:48,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:30:48,935 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 433 transitions. [2020-10-27 06:30:48,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:30:48,935 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 433 transitions. [2020-10-27 06:30:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 06:30:48,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:30:48,948 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:30:48,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:30:48,949 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:30:48,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:30:48,949 INFO L82 PathProgramCache]: Analyzing trace with hash -424692021, now seen corresponding path program 1 times [2020-10-27 06:30:48,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:30:48,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235963047] [2020-10-27 06:30:48,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:30:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:48,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:49,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:49,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:49,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:49,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:51,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 06:30:54,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 06:30:54,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 06:30:54,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:30:54,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:30:54,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 06:30:54,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:30:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:54,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:30:54,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:30:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:54,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:30:54,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:54,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:30:54,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:30:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:56,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:56,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:56,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 06:30:59,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:30:59,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:30:59,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:30:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:30:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-27 06:30:59,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:59,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:30:59,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:30:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:30:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:30:59,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:30:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:59,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:59,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:30:59,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 06:30:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:59,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:30:59,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:30:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:30:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:30:59,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:30:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:59,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:59,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:30:59,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:59,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:59,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:30:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:59,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:59,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:59,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 06:30:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:30:59,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:59,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:30:59,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:30:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:30:59,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:59,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:59,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:30:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:59,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:30:59,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:59,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 06:30:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:59,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:59,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:59,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 06:30:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:59,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:30:59,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:59,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:30:59,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:59,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:59,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:30:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:30:59,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:59,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:30:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 06:30:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:30:59,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:30:59,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:30:59,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:30:59,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:59,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:59,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:59,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:30:59,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:59,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:59,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:59,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:59,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:59,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 06:30:59,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235963047] [2020-10-27 06:30:59,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:30:59,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 06:30:59,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170862132] [2020-10-27 06:30:59,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 06:30:59,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:30:59,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 06:30:59,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 06:30:59,694 INFO L87 Difference]: Start difference. First operand 304 states and 433 transitions. Second operand 12 states. [2020-10-27 06:30:59,883 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 06:31:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:31:03,822 INFO L93 Difference]: Finished difference Result 1181 states and 1951 transitions. [2020-10-27 06:31:03,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 06:31:03,822 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 126 [2020-10-27 06:31:03,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:31:03,831 INFO L225 Difference]: With dead ends: 1181 [2020-10-27 06:31:03,832 INFO L226 Difference]: Without dead ends: 902 [2020-10-27 06:31:03,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2020-10-27 06:31:03,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-10-27 06:31:03,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 616. [2020-10-27 06:31:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-10-27 06:31:03,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 908 transitions. [2020-10-27 06:31:03,938 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 908 transitions. Word has length 126 [2020-10-27 06:31:03,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:31:03,939 INFO L481 AbstractCegarLoop]: Abstraction has 616 states and 908 transitions. [2020-10-27 06:31:03,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 06:31:03,939 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 908 transitions. [2020-10-27 06:31:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 06:31:03,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:31:03,945 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:31:03,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:31:03,945 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:31:03,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:31:03,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1458066357, now seen corresponding path program 1 times [2020-10-27 06:31:03,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:31:03,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655452719] [2020-10-27 06:31:03,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:31:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:03,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:04,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:05,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:05,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:05,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:05,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:05,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:05,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:05,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:05,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:05,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:06,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:08,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:08,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 06:31:08,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 06:31:08,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:31:08,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:08,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:31:08,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:31:08,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 06:31:08,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:09,178 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 06:31:09,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:31:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:09,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:09,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:09,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:09,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:09,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:31:09,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:09,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:09,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:31:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:09,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:09,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:09,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:09,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:09,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:31:09,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:09,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:09,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:09,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:31:09,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:09,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:31:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:09,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:09,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:09,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:09,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:10,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:10,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:10,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:10,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 06:31:14,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:31:14,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:31:14,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:31:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-27 06:31:14,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:14,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 06:31:14,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:31:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:31:14,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:31:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:14,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:31:14,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:14,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:31:14,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 06:31:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:14,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:31:14,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:14,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:31:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:14,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:31:14,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:14,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:31:14,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:14,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:14,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:14,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:31:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:14,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:14,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:14,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 06:31:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:31:14,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:31:14,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:31:14,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:31:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:14,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:14,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:31:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:14,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:31:14,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:14,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:14,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 06:31:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:14,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:14,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:14,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:14,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 06:31:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:14,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:14,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:14,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:31:14,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:14,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:14,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:31:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:14,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:14,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:14,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 06:31:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:31:14,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:31:14,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:31:14,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:14,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:31:14,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:14,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:14,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:14,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:14,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:14,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:14,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:14,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-27 06:31:14,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655452719] [2020-10-27 06:31:14,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:31:14,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 06:31:14,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602434038] [2020-10-27 06:31:14,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 06:31:14,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:31:14,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 06:31:14,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-27 06:31:14,904 INFO L87 Difference]: Start difference. First operand 616 states and 908 transitions. Second operand 12 states. [2020-10-27 06:31:15,106 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 06:31:16,799 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 06:31:17,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:31:17,978 INFO L93 Difference]: Finished difference Result 1580 states and 2473 transitions. [2020-10-27 06:31:17,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:31:17,978 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 126 [2020-10-27 06:31:17,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:31:17,987 INFO L225 Difference]: With dead ends: 1580 [2020-10-27 06:31:17,987 INFO L226 Difference]: Without dead ends: 977 [2020-10-27 06:31:17,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812 [2020-10-27 06:31:17,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-27 06:31:18,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 709. [2020-10-27 06:31:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-10-27 06:31:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 1055 transitions. [2020-10-27 06:31:18,111 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 1055 transitions. Word has length 126 [2020-10-27 06:31:18,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:31:18,111 INFO L481 AbstractCegarLoop]: Abstraction has 709 states and 1055 transitions. [2020-10-27 06:31:18,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 06:31:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1055 transitions. [2020-10-27 06:31:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 06:31:18,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:31:18,117 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:31:18,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:31:18,118 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:31:18,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:31:18,118 INFO L82 PathProgramCache]: Analyzing trace with hash 672241699, now seen corresponding path program 1 times [2020-10-27 06:31:18,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:31:18,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743423432] [2020-10-27 06:31:18,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:31:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:18,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:18,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:18,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:18,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:19,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:19,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:19,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:19,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:19,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:19,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:19,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:23,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:23,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 06:31:23,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 06:31:23,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 06:31:23,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:23,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:31:23,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:31:23,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:31:23,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:23,289 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 06:31:23,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:31:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:23,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:23,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:23,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:23,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:23,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:31:23,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:23,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:23,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:23,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:23,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:23,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:31:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:23,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:23,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:23,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:23,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:23,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:23,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:23,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:23,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:23,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:31:23,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:23,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:31:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:23,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:23,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:23,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:23,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:24,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:24,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:24,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:24,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 06:31:28,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:31:28,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:31:28,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:31:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 06:31:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:31:28,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:31:28,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:31:28,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:28,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:31:28,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 06:31:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:28,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:28,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:31:28,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:31:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:28,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:28,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:28,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:31:28,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 06:31:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:28,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:31:28,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:28,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:28,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:31:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:28,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:28,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:31:28,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:28,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:28,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:28,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 06:31:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:28,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:28,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:28,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:31:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:31:28,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:31:28,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:28,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:31:28,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:31:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:28,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:31:28,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:28,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:31:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:28,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:31:28,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:31:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:31:28,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:31:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:28,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:31:28,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 06:31:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:28,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:31:28,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:31:28,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:28,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:31:28,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:28,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:31:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:28,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:28,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:28,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 06:31:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:31:28,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:31:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:31:28,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:31:28,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:28,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:28,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:28,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:28,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:28,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:28,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:28,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-27 06:31:29,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743423432] [2020-10-27 06:31:29,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:31:29,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 06:31:29,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824825143] [2020-10-27 06:31:29,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 06:31:29,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:31:29,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 06:31:29,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:31:29,012 INFO L87 Difference]: Start difference. First operand 709 states and 1055 transitions. Second operand 14 states. [2020-10-27 06:31:29,206 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 06:31:30,855 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 06:31:32,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:31:32,353 INFO L93 Difference]: Finished difference Result 1867 states and 2948 transitions. [2020-10-27 06:31:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 06:31:32,353 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 131 [2020-10-27 06:31:32,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:31:32,364 INFO L225 Difference]: With dead ends: 1867 [2020-10-27 06:31:32,364 INFO L226 Difference]: Without dead ends: 1224 [2020-10-27 06:31:32,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=427, Invalid=1213, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 06:31:32,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-10-27 06:31:32,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 766. [2020-10-27 06:31:32,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2020-10-27 06:31:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1141 transitions. [2020-10-27 06:31:32,518 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1141 transitions. Word has length 131 [2020-10-27 06:31:32,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:31:32,519 INFO L481 AbstractCegarLoop]: Abstraction has 766 states and 1141 transitions. [2020-10-27 06:31:32,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 06:31:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1141 transitions. [2020-10-27 06:31:32,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 06:31:32,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:31:32,526 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:31:32,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:31:32,526 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:31:32,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:31:32,527 INFO L82 PathProgramCache]: Analyzing trace with hash -2042050181, now seen corresponding path program 1 times [2020-10-27 06:31:32,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:31:32,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115641463] [2020-10-27 06:31:32,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:31:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:32,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:32,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:32,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:32,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:33,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:33,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:33,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:33,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:33,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:37,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:37,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 06:31:37,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 06:31:37,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:31:37,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:37,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:31:37,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:31:37,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:31:37,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:37,696 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 06:31:37,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:31:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:37,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:37,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:37,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:37,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:37,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:31:37,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:37,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:37,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:37,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:37,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:37,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:31:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:37,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:37,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:37,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:37,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:37,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:31:37,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:37,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:37,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:37,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:31:37,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:31:37,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:31:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:37,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:37,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:38,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:38,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:38,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:38,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:42,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:42,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 06:31:42,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:31:42,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:31:42,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:31:42,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:42,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 06:31:42,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 06:31:43,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:31:43,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:31:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 06:31:43,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:31:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:43,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:43,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:31:43,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:31:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:43,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:43,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:31:43,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:31:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:43,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:43,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:31:43,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 06:31:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:43,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:31:43,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:31:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:31:43,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:31:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:43,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:43,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:31:43,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:43,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:43,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:43,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 06:31:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:43,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:43,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:43,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:31:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:31:43,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:31:43,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:31:43,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:31:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:43,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:43,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:43,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:43,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 06:31:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:43,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:31:43,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:43,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 06:31:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:43,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:43,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:43,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 06:31:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:43,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:31:43,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:31:43,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:43,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:43,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:43,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:43,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 06:31:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:31:43,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:43,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:43,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 06:31:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:31:43,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:31:43,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:31:43,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:43,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:31:43,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:43,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:43,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:43,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:31:43,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:43,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:43,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:43,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:43,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:43,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:43,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 06:31:43,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115641463] [2020-10-27 06:31:43,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:31:43,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 06:31:43,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478643935] [2020-10-27 06:31:43,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 06:31:43,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:31:43,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 06:31:43,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-10-27 06:31:43,395 INFO L87 Difference]: Start difference. First operand 766 states and 1141 transitions. Second operand 15 states. [2020-10-27 06:31:43,607 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 06:31:45,576 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 06:31:50,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:31:50,975 INFO L93 Difference]: Finished difference Result 3435 states and 6147 transitions. [2020-10-27 06:31:50,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-10-27 06:31:50,977 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2020-10-27 06:31:50,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:31:51,000 INFO L225 Difference]: With dead ends: 3435 [2020-10-27 06:31:51,001 INFO L226 Difference]: Without dead ends: 2743 [2020-10-27 06:31:51,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2225 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1166, Invalid=5154, Unknown=0, NotChecked=0, Total=6320 [2020-10-27 06:31:51,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2020-10-27 06:31:51,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 1766. [2020-10-27 06:31:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1766 states. [2020-10-27 06:31:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 2688 transitions. [2020-10-27 06:31:51,391 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 2688 transitions. Word has length 136 [2020-10-27 06:31:51,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:31:51,391 INFO L481 AbstractCegarLoop]: Abstraction has 1766 states and 2688 transitions. [2020-10-27 06:31:51,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 06:31:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2688 transitions. [2020-10-27 06:31:51,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-27 06:31:51,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:31:51,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:31:51,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:31:51,406 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:31:51,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:31:51,407 INFO L82 PathProgramCache]: Analyzing trace with hash 911449191, now seen corresponding path program 1 times [2020-10-27 06:31:51,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:31:51,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676276988] [2020-10-27 06:31:51,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:31:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:51,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:51,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:51,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:51,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:52,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:52,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:52,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:56,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:56,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 06:31:56,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:31:56,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:31:56,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:56,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:31:56,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:31:56,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 06:31:56,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:56,574 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 06:31:56,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:31:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:56,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:56,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:56,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:56,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:56,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:56,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:56,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:56,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:56,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:56,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:56,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:31:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:56,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:56,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:56,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:31:56,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:31:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:56,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:31:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:56,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:56,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:56,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:56,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:56,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:57,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:57,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:01,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:01,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-27 06:32:01,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:32:01,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:32:01,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:01,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:32:01,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:01,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-27 06:32:01,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:01,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:01,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:01,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:01,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 06:32:01,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:01,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:32:01,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:01,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:01,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:01,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 06:32:01,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:01,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:32:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:01,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:01,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:01,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:01,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:01,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:01,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:01,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:01,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:01,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:01,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:01,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:32:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:01,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:01,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:01,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:01,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:01,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:01,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:32:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:01,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:01,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:01,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:01,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:01,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:01,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:01,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:01,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:01,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:32:01,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:01,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 06:32:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:01,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:01,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:01,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:01,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:01,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:01,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:32:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:01,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:01,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:01,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:32:01,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:01,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:32:01,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:01,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:32:01,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:01,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:01,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:01,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:01,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:01,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:01,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:01,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:01,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:01,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 06:32:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:01,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:01,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:01,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:01,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:01,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:01,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:01,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:32:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:02,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:02,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:02,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:32:02,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:32:02,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:32:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:02,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:32:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:02,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:02,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:02,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:02,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:02,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:02,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:02,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:02,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 06:32:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:02,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:02,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:02,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:02,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:32:02,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:32:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:32:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:02,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 06:32:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:02,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:02,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:02,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:02,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:02,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:02,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:02,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:02,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:32:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:02,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:02,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:02,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 06:32:02,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:02,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:32:02,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:02,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:02,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:02,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 06:32:02,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:02,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:02,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:02,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:02,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:32:02,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:02,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:02,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:02,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:02,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:02,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:02,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:02,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:32:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:02,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:02,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:02,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:02,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:02,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:02,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:02,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:02,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:32:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:02,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:02,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:02,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:02,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:32:02,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:32:02,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:32:02,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:32:02,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:02,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:02,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:02,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:02,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:02,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:02,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:32:02,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:02,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:02,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-27 06:32:02,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676276988] [2020-10-27 06:32:02,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:32:02,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 06:32:02,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610352271] [2020-10-27 06:32:02,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 06:32:02,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:32:02,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 06:32:02,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-27 06:32:02,187 INFO L87 Difference]: Start difference. First operand 1766 states and 2688 transitions. Second operand 15 states. [2020-10-27 06:32:02,387 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 06:32:07,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:32:07,255 INFO L93 Difference]: Finished difference Result 5253 states and 8548 transitions. [2020-10-27 06:32:07,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-27 06:32:07,256 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 141 [2020-10-27 06:32:07,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:32:07,283 INFO L225 Difference]: With dead ends: 5253 [2020-10-27 06:32:07,284 INFO L226 Difference]: Without dead ends: 3565 [2020-10-27 06:32:07,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1133 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=829, Invalid=2831, Unknown=0, NotChecked=0, Total=3660 [2020-10-27 06:32:07,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2020-10-27 06:32:07,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 2191. [2020-10-27 06:32:07,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2191 states. [2020-10-27 06:32:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 3294 transitions. [2020-10-27 06:32:07,737 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 3294 transitions. Word has length 141 [2020-10-27 06:32:07,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:32:07,737 INFO L481 AbstractCegarLoop]: Abstraction has 2191 states and 3294 transitions. [2020-10-27 06:32:07,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 06:32:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 3294 transitions. [2020-10-27 06:32:07,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 06:32:07,752 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:32:07,753 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:32:07,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:32:07,753 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:32:07,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:32:07,754 INFO L82 PathProgramCache]: Analyzing trace with hash -404742092, now seen corresponding path program 1 times [2020-10-27 06:32:07,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:32:07,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123117157] [2020-10-27 06:32:07,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:32:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:07,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:07,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:07,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:08,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:11,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:11,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:11,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:12,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:12,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 06:32:12,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 06:32:12,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:32:12,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:12,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:32:12,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:32:12,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 06:32:12,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:12,915 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 06:32:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:32:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:12,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:12,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:12,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:12,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:12,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:32:12,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:12,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:12,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:32:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:12,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:13,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:13,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:13,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:13,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:32:13,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:32:13,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:13,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:32:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:13,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:13,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:13,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:13,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:13,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:13,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 06:32:18,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:32:18,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 06:32:18,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:32:18,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 06:32:18,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 06:32:18,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 06:32:18,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:18,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:18,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:18,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:32:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:18,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:18,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:18,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 06:32:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:18,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:18,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:18,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:32:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:18,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:18,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:18,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:32:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:18,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:18,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:18,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:32:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:18,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:18,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:18,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 06:32:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:32:18,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:18,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:32:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:18,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:18,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 06:32:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:18,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:32:18,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:32:18,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:32:18,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:32:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:32:18,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:18,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:32:18,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:32:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:18,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:18,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:18,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:18,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:32:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:18,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:32:18,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:18,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:18,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:32:18,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:32:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:18,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:32:18,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:18,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:18,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:32:18,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 06:32:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:32:18,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:18,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:32:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:18,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:18,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:18,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:18,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:18,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 06:32:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:18,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:18,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:32:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:18,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 06:32:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:32:18,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:32:18,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:32:18,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:32:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:32:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:18,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:18,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:18,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:18,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:18,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:18,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:32:18,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:18,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:18,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:18,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:18,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 06:32:18,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123117157] [2020-10-27 06:32:18,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:32:18,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 06:32:18,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055646215] [2020-10-27 06:32:18,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 06:32:18,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:32:18,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 06:32:18,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2020-10-27 06:32:18,665 INFO L87 Difference]: Start difference. First operand 2191 states and 3294 transitions. Second operand 21 states. [2020-10-27 06:32:18,888 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 06:32:21,786 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 06:32:23,896 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 06:32:24,050 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 06:32:28,284 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 06:32:28,424 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 06:32:28,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:32:28,707 INFO L93 Difference]: Finished difference Result 6313 states and 12197 transitions. [2020-10-27 06:32:28,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2020-10-27 06:32:28,708 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 143 [2020-10-27 06:32:28,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:32:28,746 INFO L225 Difference]: With dead ends: 6313 [2020-10-27 06:32:28,746 INFO L226 Difference]: Without dead ends: 4211 [2020-10-27 06:32:28,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2865 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1665, Invalid=7265, Unknown=0, NotChecked=0, Total=8930 [2020-10-27 06:32:28,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4211 states. [2020-10-27 06:32:29,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4211 to 2269. [2020-10-27 06:32:29,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2269 states. [2020-10-27 06:32:29,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 3429 transitions. [2020-10-27 06:32:29,485 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 3429 transitions. Word has length 143 [2020-10-27 06:32:29,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:32:29,486 INFO L481 AbstractCegarLoop]: Abstraction has 2269 states and 3429 transitions. [2020-10-27 06:32:29,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 06:32:29,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3429 transitions. [2020-10-27 06:32:29,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 06:32:29,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:32:29,503 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:32:29,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:32:29,503 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:32:29,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:32:29,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1695004385, now seen corresponding path program 1 times [2020-10-27 06:32:29,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:32:29,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475067697] [2020-10-27 06:32:29,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:32:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:29,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:29,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:29,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:29,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:29,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:31,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:34,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:34,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-27 06:32:34,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:32:34,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:32:34,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:32:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:32:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 06:32:34,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:34,667 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 06:32:34,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:32:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:34,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:34,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:34,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:34,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:32:34,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:34,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:32:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:34,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:34,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:34,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:34,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:34,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:32:34,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:32:34,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:34,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:32:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:34,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:34,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:34,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:34,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:39,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:39,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-27 06:32:39,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:32:39,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:32:39,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:32:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-27 06:32:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:39,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:39,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:39,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:39,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 06:32:39,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:39,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:32:39,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 06:32:39,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:39,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:39,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:39,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:39,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:39,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:39,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 06:32:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:39,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:39,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:39,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:39,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:39,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:39,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:39,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:39,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:39,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:39,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 06:32:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:40,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:40,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:40,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:32:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:40,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:40,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:40,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:32:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:40,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:40,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:32:40,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:32:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:40,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:32:40,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:32:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:32:40,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:32:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:32:40,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:40,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:32:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:40,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:32:40,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:40,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:32:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:40,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:40,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 06:32:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:32:40,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:40,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:32:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:32:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:40,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:40,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:32:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:40,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:32:40,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:32:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:40,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:40,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 06:32:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:32:40,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:40,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:32:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:40,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:32:40,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:32:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:32:40,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:40,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 06:32:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:32:40,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:40,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:32:40,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:40,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:40,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:40,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:40,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:40,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:40,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:40,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:40,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:40,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 06:32:40,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475067697] [2020-10-27 06:32:40,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:32:40,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 06:32:40,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907650074] [2020-10-27 06:32:40,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 06:32:40,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:32:40,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 06:32:40,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:32:40,319 INFO L87 Difference]: Start difference. First operand 2269 states and 3429 transitions. Second operand 17 states. [2020-10-27 06:32:40,554 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 06:32:57,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:32:57,854 INFO L93 Difference]: Finished difference Result 8722 states and 16785 transitions. [2020-10-27 06:32:57,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2020-10-27 06:32:57,855 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 147 [2020-10-27 06:32:57,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:32:57,916 INFO L225 Difference]: With dead ends: 8722 [2020-10-27 06:32:57,916 INFO L226 Difference]: Without dead ends: 7445 [2020-10-27 06:32:57,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16719 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=4619, Invalid=33601, Unknown=0, NotChecked=0, Total=38220 [2020-10-27 06:32:57,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7445 states. [2020-10-27 06:32:59,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7445 to 3409. [2020-10-27 06:32:59,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3409 states. [2020-10-27 06:32:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 5369 transitions. [2020-10-27 06:32:59,116 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 5369 transitions. Word has length 147 [2020-10-27 06:32:59,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:32:59,116 INFO L481 AbstractCegarLoop]: Abstraction has 3409 states and 5369 transitions. [2020-10-27 06:32:59,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 06:32:59,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 5369 transitions. [2020-10-27 06:32:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 06:32:59,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:32:59,141 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:32:59,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:32:59,141 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:32:59,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:32:59,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1420567687, now seen corresponding path program 1 times [2020-10-27 06:32:59,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:32:59,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282458015] [2020-10-27 06:32:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:32:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:59,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:59,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:59,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:59,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:59,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:04,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-27 06:33:04,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:33:04,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 06:33:04,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:04,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 06:33:04,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:33:04,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 06:33:04,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:04,312 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 06:33:04,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:33:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:04,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:04,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:04,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:04,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:33:04,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:04,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:04,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:33:04,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:04,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:33:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:04,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:04,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:04,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:04,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:33:04,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:33:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:33:04,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:04,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:33:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:04,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:05,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:05,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-27 06:33:09,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:33:09,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 06:33:09,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:33:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:33:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-27 06:33:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 06:33:09,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 06:33:09,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 06:33:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:33:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 06:33:09,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:09,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:09,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:09,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 06:33:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:09,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:09,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:09,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 06:33:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:09,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:09,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:09,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:33:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:09,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:09,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:09,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 06:33:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:09,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:33:09,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:33:09,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:33:09,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 06:33:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 06:33:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:33:09,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:33:09,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:33:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:33:09,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:33:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:09,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:09,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:09,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:09,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:33:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:33:09,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:33:09,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 06:33:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:33:09,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:33:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:33:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:09,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:33:09,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:09,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:33:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:33:09,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:33:09,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:33:09,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:33:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:33:09,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:33:09,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 06:33:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:33:09,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:33:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:09,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:09,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 06:33:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:33:09,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:33:09,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:33:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:33:09,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:33:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:10,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:10,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:10,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:10,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:10,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:10,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-27 06:33:10,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282458015] [2020-10-27 06:33:10,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:33:10,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 06:33:10,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173021819] [2020-10-27 06:33:10,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 06:33:10,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:33:10,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 06:33:10,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2020-10-27 06:33:10,054 INFO L87 Difference]: Start difference. First operand 3409 states and 5369 transitions. Second operand 21 states. [2020-10-27 06:33:10,208 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 06:33:12,254 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-10-27 06:33:15,659 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-27 06:33:20,228 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-27 06:33:25,318 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-27 06:33:25,637 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-10-27 06:33:28,474 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-27 06:33:30,268 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 06:33:36,513 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-10-27 06:33:37,301 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-10-27 06:33:44,529 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 06:33:49,138 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66