/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.04.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 14:36:52,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 14:36:52,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 14:36:52,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 14:36:52,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 14:36:52,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 14:36:52,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 14:36:52,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 14:36:52,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 14:36:52,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 14:36:52,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 14:36:52,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 14:36:52,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 14:36:52,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 14:36:52,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 14:36:52,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 14:36:52,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 14:36:52,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 14:36:52,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 14:36:52,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 14:36:52,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 14:36:52,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 14:36:52,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 14:36:52,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 14:36:52,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 14:36:52,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 14:36:52,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 14:36:52,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 14:36:52,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 14:36:52,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 14:36:52,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 14:36:52,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 14:36:52,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 14:36:52,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 14:36:52,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 14:36:52,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 14:36:52,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 14:36:52,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 14:36:52,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 14:36:52,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 14:36:52,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 14:36:52,712 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 [2020-10-29 14:36:52,778 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 14:36:52,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 14:36:52,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 14:36:52,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 14:36:52,795 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 14:36:52,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 14:36:52,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 14:36:52,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 14:36:52,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 14:36:52,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 14:36:52,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 14:36:52,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 14:36:52,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 14:36:52,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 14:36:52,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 14:36:52,801 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 14:36:52,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 14:36:52,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 14:36:52,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 14:36:52,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 14:36:52,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 14:36:52,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:36:52,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 14:36:52,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 14:36:52,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 14:36:52,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 14:36:52,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 14:36:52,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 14:36:52,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 14:36:52,805 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 14:36:53,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 14:36:53,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 14:36:53,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 14:36:53,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 14:36:53,265 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 14:36:53,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.04.cil-2.c [2020-10-29 14:36:53,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08c93ecc7/635b3173895141cfa81bd4dc24c960ed/FLAG78e08cf52 [2020-10-29 14:36:53,965 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 14:36:53,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.04.cil-2.c [2020-10-29 14:36:53,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08c93ecc7/635b3173895141cfa81bd4dc24c960ed/FLAG78e08cf52 [2020-10-29 14:36:54,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08c93ecc7/635b3173895141cfa81bd4dc24c960ed [2020-10-29 14:36:54,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 14:36:54,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 14:36:54,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 14:36:54,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 14:36:54,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 14:36:54,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:36:54" (1/1) ... [2020-10-29 14:36:54,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b250cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54, skipping insertion in model container [2020-10-29 14:36:54,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:36:54" (1/1) ... [2020-10-29 14:36:54,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 14:36:54,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 14:36:54,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:36:54,624 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 14:36:54,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:36:54,781 INFO L208 MainTranslator]: Completed translation [2020-10-29 14:36:54,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54 WrapperNode [2020-10-29 14:36:54,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 14:36:54,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 14:36:54,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 14:36:54,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 14:36:54,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54" (1/1) ... [2020-10-29 14:36:54,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54" (1/1) ... [2020-10-29 14:36:54,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54" (1/1) ... [2020-10-29 14:36:54,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54" (1/1) ... [2020-10-29 14:36:54,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54" (1/1) ... [2020-10-29 14:36:54,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54" (1/1) ... [2020-10-29 14:36:54,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54" (1/1) ... [2020-10-29 14:36:54,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 14:36:54,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 14:36:54,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 14:36:54,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 14:36:54,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54" (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 [2020-10-29 14:36:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 14:36:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 14:36:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 14:36:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-29 14:36:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-29 14:36:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-29 14:36:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-29 14:36:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-29 14:36:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-29 14:36:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-29 14:36:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-29 14:36:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-29 14:36:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-29 14:36:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-29 14:36:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-29 14:36:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-29 14:36:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-29 14:36:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-29 14:36:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-29 14:36:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-29 14:36:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-29 14:36:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-29 14:36:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-29 14:36:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-29 14:36:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-29 14:36:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-29 14:36:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-29 14:36:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 14:36:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 14:36:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 14:36:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 14:36:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 14:36:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-29 14:36:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-29 14:36:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-29 14:36:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-29 14:36:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-29 14:36:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-29 14:36:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-29 14:36:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 14:36:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-29 14:36:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-29 14:36:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-29 14:36:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-29 14:36:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-29 14:36:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-29 14:36:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-29 14:36:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-29 14:36:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-29 14:36:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-29 14:36:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-29 14:36:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-29 14:36:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-29 14:36:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-29 14:36:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-29 14:36:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-29 14:36:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-29 14:36:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 14:36:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 14:36:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 14:36:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 14:36:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 14:36:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 14:36:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 14:36:55,887 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 14:36:55,888 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-29 14:36:55,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:36:55 BoogieIcfgContainer [2020-10-29 14:36:55,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 14:36:55,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 14:36:55,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 14:36:55,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 14:36:55,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:36:54" (1/3) ... [2020-10-29 14:36:55,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11abc4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:36:55, skipping insertion in model container [2020-10-29 14:36:55,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:54" (2/3) ... [2020-10-29 14:36:55,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11abc4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:36:55, skipping insertion in model container [2020-10-29 14:36:55,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:36:55" (3/3) ... [2020-10-29 14:36:55,899 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.04.cil-2.c [2020-10-29 14:36:55,912 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 14:36:55,917 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 14:36:55,931 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 14:36:55,961 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 14:36:55,961 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 14:36:55,961 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 14:36:55,961 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 14:36:55,962 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 14:36:55,962 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 14:36:55,962 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 14:36:55,962 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 14:36:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-10-29 14:36:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:36:56,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:36:56,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:36:56,015 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:36:56,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:36:56,021 INFO L82 PathProgramCache]: Analyzing trace with hash 470797181, now seen corresponding path program 1 times [2020-10-29 14:36:56,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:36:56,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747714094] [2020-10-29 14:36:56,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:36:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:57,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:00,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:00,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:00,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:00,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:00,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:00,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:00,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:01,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:01,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:37:01,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 14:37:01,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 14:37:01,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:01,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:37:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-29 14:37:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 14:37:01,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:37:01,526 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:37:01,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:01,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:01,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:01,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:01,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:01,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:37:01,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:01,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:01,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:01,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:01,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:01,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:01,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:01,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:01,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:01,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:01,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:01,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:01,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:01,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:01,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:01,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:01,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:01,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:01,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:01,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:01,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:01,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:01,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:01,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:01,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:01,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:01,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:01,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:01,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:01,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:01,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:01,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:01,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:01,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:37:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:01,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:01,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:01,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:01,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:01,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:37:01,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:01,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:01,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:01,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 14:37:01,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:01,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:37:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:01,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:01,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:01,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:02,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:37:02,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:37:02,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 581 [2020-10-29 14:37:02,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:02,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:02,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:02,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:02,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:37:02,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:02,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:02,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:02,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:02,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:02,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:02,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:02,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:02,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:02,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:02,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:02,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:02,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:02,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:02,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:02,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:02,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:02,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:02,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:02,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:02,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:37:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:02,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:02,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:02,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:02,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:02,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:02,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:02,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:02,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:02,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:02,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:02,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:37:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:02,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:02,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:02,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:02,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:37:02,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:02,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:02,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:02,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:02,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:02,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:37:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:02,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:02,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:02,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:02,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:02,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:02,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:02,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:02,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 14:37:02,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:37:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:02,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:02,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:02,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:02,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 14:37:02,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:02,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:02,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:37:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:37:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:37:02,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:02,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:37:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:02,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:02,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:02,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:02,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:02,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:02,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:02,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:02,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:02,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:02,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:02,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:37:02,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747714094] [2020-10-29 14:37:02,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:37:02,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:37:02,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837550896] [2020-10-29 14:37:02,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:37:02,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:02,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:37:02,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:37:02,524 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 9 states. [2020-10-29 14:37:03,341 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:04,055 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:37:13,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:13,611 INFO L93 Difference]: Finished difference Result 1258 states and 2229 transitions. [2020-10-29 14:37:13,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 14:37:13,613 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2020-10-29 14:37:13,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:13,653 INFO L225 Difference]: With dead ends: 1258 [2020-10-29 14:37:13,653 INFO L226 Difference]: Without dead ends: 1014 [2020-10-29 14:37:13,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2020-10-29 14:37:13,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2020-10-29 14:37:13,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 740. [2020-10-29 14:37:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-10-29 14:37:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1144 transitions. [2020-10-29 14:37:14,015 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1144 transitions. Word has length 121 [2020-10-29 14:37:14,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:14,017 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 1144 transitions. [2020-10-29 14:37:14,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:37:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1144 transitions. [2020-10-29 14:37:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:37:14,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:14,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:37:14,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 14:37:14,032 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:14,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:14,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1452430853, now seen corresponding path program 1 times [2020-10-29 14:37:14,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:14,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662532695] [2020-10-29 14:37:14,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:15,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:15,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:15,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:19,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:19,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:19,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:37:19,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 14:37:19,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-29 14:37:19,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:19,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:19,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:37:19,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:37:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 14:37:19,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:19,339 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:37:19,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:19,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:19,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:19,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:19,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:19,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 14:37:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:19,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:37:19,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:19,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:19,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:19,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:19,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:19,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:19,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:19,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:37:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:19,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:19,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:19,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:19,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:19,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:19,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:19,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:19,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:19,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:19,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:19,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:19,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:19,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:19,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:19,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:19,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:37:19,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:19,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:37:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:19,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:19,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:19,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:19,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:19,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:37:19,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:19,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:19,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:37:19,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:19,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:37:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:19,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:19,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:19,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:19,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:19,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:37:19,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:37:19,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 499 [2020-10-29 14:37:19,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:19,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:19,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:19,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 14:37:19,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 14:37:19,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:20,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:37:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:37:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:20,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:37:20,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:37:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:20,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:37:20,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:37:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:20,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:20,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:37:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:37:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:20,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:20,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:20,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:37:20,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662532695] [2020-10-29 14:37:20,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:37:20,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:37:20,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135727789] [2020-10-29 14:37:20,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:37:20,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:20,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:37:20,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:37:20,126 INFO L87 Difference]: Start difference. First operand 740 states and 1144 transitions. Second operand 8 states. [2020-10-29 14:37:20,278 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:22,150 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:26,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:26,129 INFO L93 Difference]: Finished difference Result 2343 states and 3738 transitions. [2020-10-29 14:37:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:37:26,130 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-29 14:37:26,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:26,144 INFO L225 Difference]: With dead ends: 2343 [2020-10-29 14:37:26,145 INFO L226 Difference]: Without dead ends: 1629 [2020-10-29 14:37:26,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:37:26,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2020-10-29 14:37:26,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 1305. [2020-10-29 14:37:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2020-10-29 14:37:26,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1975 transitions. [2020-10-29 14:37:26,346 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1975 transitions. Word has length 121 [2020-10-29 14:37:26,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:26,347 INFO L481 AbstractCegarLoop]: Abstraction has 1305 states and 1975 transitions. [2020-10-29 14:37:26,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:37:26,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1975 transitions. [2020-10-29 14:37:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:37:26,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:26,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:37:26,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 14:37:26,353 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:26,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:26,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1349629606, now seen corresponding path program 1 times [2020-10-29 14:37:26,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:26,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356545430] [2020-10-29 14:37:26,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:37:31,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:37:31,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 14:37:31,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:37:31,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 14:37:31,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 14:37:31,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,546 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:37:31,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:31,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:31,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:31,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:31,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:31,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:31,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:31,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:31,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:37:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:31,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:31,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:37:31,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:37:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:37:33,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:37:33,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2021 [2020-10-29 14:37:33,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:37:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:33,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:33,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:37:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:37:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:33,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:37:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:33,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:33,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:37:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:33,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:37:33,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:37:33,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:37:33,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:37:33,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:33,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:37:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:33,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:33,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:37:33,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356545430] [2020-10-29 14:37:33,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:37:33,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:37:33,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539517414] [2020-10-29 14:37:33,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:37:33,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:33,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:37:33,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:37:33,824 INFO L87 Difference]: Start difference. First operand 1305 states and 1975 transitions. Second operand 8 states. [2020-10-29 14:37:34,532 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:35,585 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:37:40,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:40,089 INFO L93 Difference]: Finished difference Result 3556 states and 5403 transitions. [2020-10-29 14:37:40,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 14:37:40,089 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-29 14:37:40,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:40,109 INFO L225 Difference]: With dead ends: 3556 [2020-10-29 14:37:40,109 INFO L226 Difference]: Without dead ends: 2685 [2020-10-29 14:37:40,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-10-29 14:37:40,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2020-10-29 14:37:40,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2004. [2020-10-29 14:37:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2004 states. [2020-10-29 14:37:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2872 transitions. [2020-10-29 14:37:40,373 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2872 transitions. Word has length 121 [2020-10-29 14:37:40,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:40,374 INFO L481 AbstractCegarLoop]: Abstraction has 2004 states and 2872 transitions. [2020-10-29 14:37:40,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:37:40,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2872 transitions. [2020-10-29 14:37:40,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:37:40,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:40,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:37:40,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 14:37:40,378 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:40,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:40,378 INFO L82 PathProgramCache]: Analyzing trace with hash -505624104, now seen corresponding path program 1 times [2020-10-29 14:37:40,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:40,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616260668] [2020-10-29 14:37:40,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:40,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:40,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:40,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:40,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:40,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:42,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:42,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:42,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:42,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:42,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:42,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:42,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:42,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:42,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:42,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:44,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:45,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:37:45,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 14:37:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 14:37:45,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:45,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:37:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:37:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 14:37:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:45,574 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:37:45,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:45,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:45,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:45,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:45,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 14:37:45,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:45,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:45,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:45,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:45,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:37:45,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:45,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:45,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:45,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:45,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:45,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:45,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:37:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:45,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:45,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:45,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:45,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:45,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:45,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:45,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:45,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:45,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:45,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:45,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:45,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:37:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:45,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:37:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:45,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:45,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:45,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:45,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:37:45,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:45,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:45,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:45,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:45,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:37:45,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:45,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:37:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:45,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:47,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:47,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:37:47,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:37:47,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1593 [2020-10-29 14:37:47,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:47,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 14:37:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 14:37:47,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:47,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:47,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:47,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:47,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:47,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:47,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:47,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:47,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:47,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:47,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:47,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:47,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:47,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:47,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:47,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:47,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:47,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:47,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:37:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:47,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:47,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:47,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:47,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:47,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:47,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:47,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:47,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:47,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:37:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:47,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:47,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:47,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:47,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:47,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:47,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:47,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:47,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:47,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:47,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:47,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:47,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:37:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:47,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:47,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:47,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:47,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:47,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:47,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:47,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:37:47,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:47,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:37:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:47,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:47,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:47,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:47,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:47,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:47,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:47,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:47,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:47,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:37:47,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:47,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:47,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:37:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:47,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:47,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:47,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:47,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:47,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:47,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:47,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:47,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:37:47,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616260668] [2020-10-29 14:37:47,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:37:47,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:37:47,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581749569] [2020-10-29 14:37:47,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:37:47,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:47,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:37:47,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:37:47,424 INFO L87 Difference]: Start difference. First operand 2004 states and 2872 transitions. Second operand 8 states. [2020-10-29 14:37:47,574 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:49,454 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:53,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:53,745 INFO L93 Difference]: Finished difference Result 6745 states and 10012 transitions. [2020-10-29 14:37:53,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:37:53,746 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-29 14:37:53,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:53,779 INFO L225 Difference]: With dead ends: 6745 [2020-10-29 14:37:53,779 INFO L226 Difference]: Without dead ends: 4768 [2020-10-29 14:37:53,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:37:53,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4768 states. [2020-10-29 14:37:54,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4768 to 3915. [2020-10-29 14:37:54,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3915 states. [2020-10-29 14:37:54,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3915 states to 3915 states and 5592 transitions. [2020-10-29 14:37:54,306 INFO L78 Accepts]: Start accepts. Automaton has 3915 states and 5592 transitions. Word has length 121 [2020-10-29 14:37:54,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:54,307 INFO L481 AbstractCegarLoop]: Abstraction has 3915 states and 5592 transitions. [2020-10-29 14:37:54,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:37:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3915 states and 5592 transitions. [2020-10-29 14:37:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:37:54,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:54,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:37:54,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 14:37:54,310 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:54,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:54,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1379101799, now seen corresponding path program 1 times [2020-10-29 14:37:54,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:54,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483170116] [2020-10-29 14:37:54,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:54,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:59,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:59,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:37:59,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:37:59,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 14:37:59,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:59,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:59,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:37:59,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:37:59,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 14:37:59,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:59,500 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:37:59,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:59,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:59,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:59,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:59,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:59,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 14:37:59,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:59,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:59,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:59,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:59,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:37:59,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:59,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:59,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:59,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:59,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:59,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:59,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:59,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:37:59,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:59,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:59,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:59,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:59,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:59,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:59,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:59,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:59,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:59,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:59,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:59,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:59,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:59,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:59,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:37:59,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:59,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:59,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:59,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:59,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:37:59,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:59,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:37:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:59,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:59,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:59,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:59,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 14:37:59,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:59,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:37:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:37:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:37:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:59,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:37:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:59,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:59,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:59,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:59,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:00,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:01,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:01,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:38:01,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:38:01,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2079 [2020-10-29 14:38:01,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:01,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:38:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 14:38:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:38:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:01,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:38:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:01,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:01,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:01,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:01,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:01,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:01,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:01,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:01,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:01,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:38:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:01,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:01,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:01,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:01,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:01,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:01,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:01,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:01,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:01,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:01,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:01,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:01,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:38:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:01,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:01,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:01,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:01,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:01,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:01,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:01,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:38:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:01,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:01,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:01,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:01,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:38:01,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:01,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:38:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:01,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:38:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:01,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:01,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:01,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:01,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:01,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:01,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:01,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:01,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:38:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:01,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:01,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:01,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:01,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:01,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:38:01,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:01,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:38:01,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:01,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:01,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:38:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:01,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:01,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:01,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:38:01,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:01,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:01,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:01,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:01,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:01,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:38:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:01,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:01,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:38:01,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483170116] [2020-10-29 14:38:01,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:38:01,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 14:38:01,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357901009] [2020-10-29 14:38:01,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 14:38:01,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:38:01,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 14:38:01,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-29 14:38:01,956 INFO L87 Difference]: Start difference. First operand 3915 states and 5592 transitions. Second operand 12 states. [2020-10-29 14:38:02,137 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:38:03,299 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:03,471 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-29 14:38:03,713 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:03,929 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:07,370 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:38:07,521 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:07,681 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:38:07,898 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:38:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:38:08,496 INFO L93 Difference]: Finished difference Result 8240 states and 12106 transitions. [2020-10-29 14:38:08,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 14:38:08,500 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 121 [2020-10-29 14:38:08,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:38:08,527 INFO L225 Difference]: With dead ends: 8240 [2020-10-29 14:38:08,528 INFO L226 Difference]: Without dead ends: 4350 [2020-10-29 14:38:08,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2020-10-29 14:38:08,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4350 states. [2020-10-29 14:38:09,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4350 to 3522. [2020-10-29 14:38:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3522 states. [2020-10-29 14:38:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3522 states and 4915 transitions. [2020-10-29 14:38:09,051 INFO L78 Accepts]: Start accepts. Automaton has 3522 states and 4915 transitions. Word has length 121 [2020-10-29 14:38:09,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:38:09,051 INFO L481 AbstractCegarLoop]: Abstraction has 3522 states and 4915 transitions. [2020-10-29 14:38:09,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 14:38:09,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 4915 transitions. [2020-10-29 14:38:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:38:09,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:38:09,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:38:09,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 14:38:09,054 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:38:09,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:38:09,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1317125851, now seen corresponding path program 1 times [2020-10-29 14:38:09,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:38:09,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852478991] [2020-10-29 14:38:09,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:38:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:09,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:09,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:09,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:09,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:09,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:11,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:14,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:14,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:38:14,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 14:38:14,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:38:14,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:14,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:38:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:38:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 14:38:14,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:14,239 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:38:14,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:38:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:14,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:14,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:14,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:14,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:14,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:38:14,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:14,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:14,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:14,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:14,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:38:14,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:14,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:38:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:14,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:14,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:14,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:14,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:14,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:14,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:14,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:38:14,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:14,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:38:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:14,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:14,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:14,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:38:14,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:14,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:14,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:14,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:38:14,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:14,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:38:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:14,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:14,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:14,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:38:14,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:14,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:38:14,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:14,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:38:14,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:14,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:38:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:14,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:14,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:14,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:14,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:14,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:38:14,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:14,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:14,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:38:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:38:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:38:14,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:38:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:14,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:14,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:14,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:14,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:15,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:15,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:38:15,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:38:15,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-10-29 14:38:15,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:15,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:15,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:15,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:15,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:38:15,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:15,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:38:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:15,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:15,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:15,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:15,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:15,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:15,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:15,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:15,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:38:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:15,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:15,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:15,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:15,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:15,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:15,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:15,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:15,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:15,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:15,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:38:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:15,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:15,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:15,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:15,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:15,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:15,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:15,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:15,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:15,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:38:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:15,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:15,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:15,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:15,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:15,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:15,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:15,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:15,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:15,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:38:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:15,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:15,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:15,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:15,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:15,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:15,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:15,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:15,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:38:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:15,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:15,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:15,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:15,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:38:15,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:15,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:15,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:15,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:38:15,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:38:15,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:15,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:38:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:15,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:15,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:15,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:38:15,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:15,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:38:15,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:15,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:15,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:15,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:38:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:15,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:38:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:38:15,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852478991] [2020-10-29 14:38:15,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:38:15,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:38:15,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577487116] [2020-10-29 14:38:15,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:38:15,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:38:15,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:38:15,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:38:15,661 INFO L87 Difference]: Start difference. First operand 3522 states and 4915 transitions. Second operand 10 states. [2020-10-29 14:38:15,854 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:38:19,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:38:19,360 INFO L93 Difference]: Finished difference Result 6076 states and 8683 transitions. [2020-10-29 14:38:19,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 14:38:19,361 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-29 14:38:19,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:38:19,389 INFO L225 Difference]: With dead ends: 6076 [2020-10-29 14:38:19,389 INFO L226 Difference]: Without dead ends: 4320 [2020-10-29 14:38:19,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-29 14:38:19,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4320 states. [2020-10-29 14:38:19,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4320 to 3522. [2020-10-29 14:38:19,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3522 states. [2020-10-29 14:38:19,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3522 states and 4874 transitions. [2020-10-29 14:38:19,917 INFO L78 Accepts]: Start accepts. Automaton has 3522 states and 4874 transitions. Word has length 121 [2020-10-29 14:38:19,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:38:19,917 INFO L481 AbstractCegarLoop]: Abstraction has 3522 states and 4874 transitions. [2020-10-29 14:38:19,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:38:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 4874 transitions. [2020-10-29 14:38:19,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:38:19,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:38:19,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:38:19,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 14:38:19,920 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:38:19,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:38:19,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1591885465, now seen corresponding path program 1 times [2020-10-29 14:38:19,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:38:19,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735812284] [2020-10-29 14:38:19,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:38:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:19,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:19,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:20,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:20,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:20,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:21,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:21,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:21,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:21,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:21,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:21,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:21,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:21,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:24,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:24,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:38:24,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 14:38:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:38:24,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:24,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:38:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:38:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 14:38:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,100 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:38:25,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:38:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:25,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 14:38:25,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:25,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:38:25,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:38:25,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:38:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:25,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:25,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:25,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:25,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:38:25,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:38:25,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:38:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:38:25,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:25,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:38:25,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:38:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:38:25,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:38:25,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:38:25,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:38:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:25,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:38:25,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:25,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:38:25,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:38:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:38:25,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:38:25,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 609 [2020-10-29 14:38:25,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 14:38:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 14:38:25,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:38:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:25,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:25,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:25,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:38:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:25,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:25,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:38:25,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:38:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:25,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:25,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:25,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:25,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:38:25,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:38:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:25,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:25,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:25,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:25,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:38:25,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:38:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:25,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:25,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:38:25,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:38:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:25,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:38:25,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:38:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:25,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:38:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:25,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:25,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:25,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:38:25,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:25,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:25,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:25,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:25,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:25,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:38:25,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:25,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:38:25,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735812284] [2020-10-29 14:38:25,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:38:25,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:38:25,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706370010] [2020-10-29 14:38:25,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:38:25,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:38:25,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:38:25,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:38:25,938 INFO L87 Difference]: Start difference. First operand 3522 states and 4874 transitions. Second operand 8 states. [2020-10-29 14:38:26,117 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:38:28,086 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:38:32,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:38:32,986 INFO L93 Difference]: Finished difference Result 11877 states and 17139 transitions. [2020-10-29 14:38:32,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:38:32,987 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-29 14:38:32,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:38:33,034 INFO L225 Difference]: With dead ends: 11877 [2020-10-29 14:38:33,034 INFO L226 Difference]: Without dead ends: 8380 [2020-10-29 14:38:33,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:38:33,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8380 states. [2020-10-29 14:38:33,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8380 to 6881. [2020-10-29 14:38:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6881 states. [2020-10-29 14:38:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6881 states to 6881 states and 9515 transitions. [2020-10-29 14:38:33,903 INFO L78 Accepts]: Start accepts. Automaton has 6881 states and 9515 transitions. Word has length 121 [2020-10-29 14:38:33,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:38:33,904 INFO L481 AbstractCegarLoop]: Abstraction has 6881 states and 9515 transitions. [2020-10-29 14:38:33,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:38:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 6881 states and 9515 transitions. [2020-10-29 14:38:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:38:33,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:38:33,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:38:33,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 14:38:33,906 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:38:33,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:38:33,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1106469944, now seen corresponding path program 1 times [2020-10-29 14:38:33,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:38:33,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416726311] [2020-10-29 14:38:33,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:38:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:33,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:33,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:33,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:34,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:34,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:34,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:38,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:38,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:38:38,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:38:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 14:38:38,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:38,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:38:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:38:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 14:38:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:39,083 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:38:39,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:38:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:39,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:39,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:39,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:39,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:38:39,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:39,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:38:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:39,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:38:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:39,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:39,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:39,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:39,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:39,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:38:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:39,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:38:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:39,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:39,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:39,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:38:39,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:39,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:38:39,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:39,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:38:39,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:39,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:38:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:39,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:39,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:39,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:38:39,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:39,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:38:39,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:39,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:38:39,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:39,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:38:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:39,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:39,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:39,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:39,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:39,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:38:39,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:39,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:39,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:39,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:38:39,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:38:39,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:39,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:38:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:39,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:39,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:39,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:39,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:39,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:40,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:40,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:38:40,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:38:40,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1579 [2020-10-29 14:38:40,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:40,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:38:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 14:38:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:38:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:40,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:38:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:40,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:40,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:40,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:40,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:40,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:40,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:40,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:40,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:38:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:40,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:40,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:40,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:40,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:40,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:40,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:38:40,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:40,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:38:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:40,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:40,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:40,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:40,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:40,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:40,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:40,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:40,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:40,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:38:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:40,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:40,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:40,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:40,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:40,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:40,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:40,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:40,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:40,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:40,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:40,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:40,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:38:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:40,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:40,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:40,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:40,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:40,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:40,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:40,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:40,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:40,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:40,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:40,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:40,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:38:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:40,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:40,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:40,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:40,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:38:40,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:40,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:38:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:40,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:38:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:40,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:40,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:40,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:38:40,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:40,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:40,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:40,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:40,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:40,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:38:40,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:40,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:38:40,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416726311] [2020-10-29 14:38:40,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:38:40,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 14:38:40,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101655681] [2020-10-29 14:38:40,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 14:38:40,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:38:40,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 14:38:40,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-29 14:38:40,947 INFO L87 Difference]: Start difference. First operand 6881 states and 9515 transitions. Second operand 13 states. [2020-10-29 14:38:41,117 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:38:41,965 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:42,123 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-29 14:38:42,288 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:42,514 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:46,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:38:46,455 INFO L93 Difference]: Finished difference Result 15611 states and 22538 transitions. [2020-10-29 14:38:46,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 14:38:46,456 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 121 [2020-10-29 14:38:46,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:38:46,491 INFO L225 Difference]: With dead ends: 15611 [2020-10-29 14:38:46,491 INFO L226 Difference]: Without dead ends: 8753 [2020-10-29 14:38:46,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-29 14:38:46,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8753 states. [2020-10-29 14:38:47,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8753 to 6976. [2020-10-29 14:38:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6976 states. [2020-10-29 14:38:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6976 states to 6976 states and 9505 transitions. [2020-10-29 14:38:47,263 INFO L78 Accepts]: Start accepts. Automaton has 6976 states and 9505 transitions. Word has length 121 [2020-10-29 14:38:47,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:38:47,263 INFO L481 AbstractCegarLoop]: Abstraction has 6976 states and 9505 transitions. [2020-10-29 14:38:47,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 14:38:47,263 INFO L276 IsEmpty]: Start isEmpty. Operand 6976 states and 9505 transitions. [2020-10-29 14:38:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:38:47,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:38:47,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:38:47,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 14:38:47,266 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:38:47,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:38:47,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1368755314, now seen corresponding path program 1 times [2020-10-29 14:38:47,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:38:47,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313241859] [2020-10-29 14:38:47,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:38:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:47,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:47,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:47,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:47,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:47,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:47,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:47,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:47,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:47,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:47,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:47,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:38:52,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 14:38:52,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 14:38:52,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:38:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:38:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-29 14:38:52,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,431 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:38:52,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:38:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:52,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:38:52,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:38:52,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:38:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:52,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:52,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:38:52,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:38:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:38:52,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:38:52,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:52,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:52,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:38:52,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:38:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:38:52,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:38:52,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:52,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:52,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:38:52,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:38:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:52,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:38:52,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:52,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:38:52,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:38:52,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:38:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:38:52,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:38:52,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-29 14:38:52,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:38:52,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:52,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:38:52,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:38:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:52,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:38:52,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:52,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:52,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:38:52,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:38:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:52,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:52,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:52,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:38:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:52,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:52,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:52,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:38:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:52,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:52,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:52,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:52,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:52,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:38:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:52,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:52,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:52,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:52,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:52,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:38:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:52,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:38:52,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:52,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:38:52,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:52,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:38:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:52,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:52,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:52,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:38:52,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:52,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:52,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:52,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:52,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:38:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:52,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:38:52,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313241859] [2020-10-29 14:38:52,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:38:52,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 14:38:52,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730723719] [2020-10-29 14:38:52,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 14:38:52,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:38:52,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 14:38:52,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-29 14:38:52,895 INFO L87 Difference]: Start difference. First operand 6976 states and 9505 transitions. Second operand 13 states. [2020-10-29 14:38:53,064 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:38:53,781 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:53,953 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-29 14:38:54,128 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:54,307 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:55,981 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:38:56,141 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:56,368 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:38:56,568 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:38:59,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:38:59,254 INFO L93 Difference]: Finished difference Result 15251 states and 21743 transitions. [2020-10-29 14:38:59,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 14:38:59,254 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 121 [2020-10-29 14:38:59,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:38:59,293 INFO L225 Difference]: With dead ends: 15251 [2020-10-29 14:38:59,293 INFO L226 Difference]: Without dead ends: 8299 [2020-10-29 14:38:59,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=240, Invalid=752, Unknown=0, NotChecked=0, Total=992 [2020-10-29 14:38:59,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8299 states. [2020-10-29 14:39:00,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8299 to 6060. [2020-10-29 14:39:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6060 states. [2020-10-29 14:39:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6060 states to 6060 states and 7931 transitions. [2020-10-29 14:39:00,073 INFO L78 Accepts]: Start accepts. Automaton has 6060 states and 7931 transitions. Word has length 121 [2020-10-29 14:39:00,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:39:00,073 INFO L481 AbstractCegarLoop]: Abstraction has 6060 states and 7931 transitions. [2020-10-29 14:39:00,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 14:39:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6060 states and 7931 transitions. [2020-10-29 14:39:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:39:00,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:39:00,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:39:00,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 14:39:00,075 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:39:00,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:39:00,075 INFO L82 PathProgramCache]: Analyzing trace with hash -658449608, now seen corresponding path program 1 times [2020-10-29 14:39:00,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:39:00,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592777021] [2020-10-29 14:39:00,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:39:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:00,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:00,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:00,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:00,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:00,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:00,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:00,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:00,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:01,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:39:05,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 14:39:05,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:39:05,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:39:05,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:39:05,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 14:39:05,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,301 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:39:05,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:05,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:39:05,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:05,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:05,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:39:05,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:05,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:05,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:39:05,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:05,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:05,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:39:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:39:05,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:05,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:05,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:05,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:39:05,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:39:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:05,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:39:05,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:39:05,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:39:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:39:05,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:39:05,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 14:39:05,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:05,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:05,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:39:05,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:05,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:05,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:05,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:05,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:05,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:05,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:05,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:05,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:05,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:05,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:05,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:05,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:05,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:05,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:05,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:05,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:05,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:05,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:05,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:05,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:05,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:39:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:05,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:39:05,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:39:05,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:39:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:05,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:05,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:05,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:05,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:05,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:05,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:05,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:05,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:39:05,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:05,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:39:05,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592777021] [2020-10-29 14:39:05,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:05,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:39:05,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961761500] [2020-10-29 14:39:05,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:39:05,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:05,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:39:05,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:39:05,620 INFO L87 Difference]: Start difference. First operand 6060 states and 7931 transitions. Second operand 10 states. [2020-10-29 14:39:05,770 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:39:08,523 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:39:09,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:39:09,623 INFO L93 Difference]: Finished difference Result 13097 states and 17689 transitions. [2020-10-29 14:39:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:39:09,623 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-29 14:39:09,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:39:09,657 INFO L225 Difference]: With dead ends: 13097 [2020-10-29 14:39:09,657 INFO L226 Difference]: Without dead ends: 8599 [2020-10-29 14:39:09,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-10-29 14:39:09,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8599 states. [2020-10-29 14:39:10,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8599 to 6806. [2020-10-29 14:39:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6806 states. [2020-10-29 14:39:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6806 states to 6806 states and 8726 transitions. [2020-10-29 14:39:10,391 INFO L78 Accepts]: Start accepts. Automaton has 6806 states and 8726 transitions. Word has length 121 [2020-10-29 14:39:10,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:39:10,391 INFO L481 AbstractCegarLoop]: Abstraction has 6806 states and 8726 transitions. [2020-10-29 14:39:10,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:39:10,391 INFO L276 IsEmpty]: Start isEmpty. Operand 6806 states and 8726 transitions. [2020-10-29 14:39:10,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:39:10,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:39:10,393 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:39:10,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 14:39:10,393 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:39:10,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:39:10,393 INFO L82 PathProgramCache]: Analyzing trace with hash -596409994, now seen corresponding path program 1 times [2020-10-29 14:39:10,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:39:10,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438146548] [2020-10-29 14:39:10,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:39:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:10,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:11,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:11,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:11,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:39:15,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 14:39:15,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:39:15,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:39:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:39:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-29 14:39:15,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,565 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:39:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:15,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:39:15,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:39:15,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:15,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:15,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:39:15,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:15,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:15,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:39:15,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:39:15,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:15,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:39:15,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:39:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:15,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:39:15,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:15,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:15,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:39:15,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:39:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:39:15,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:39:15,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-29 14:39:15,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:39:15,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:15,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:15,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:15,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:15,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:15,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:15,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:15,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:15,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:15,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:15,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:15,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:15,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:15,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:15,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:15,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:15,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:15,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:15,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:15,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:39:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:15,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:39:15,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:39:15,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:39:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:15,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:15,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:15,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:15,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:15,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:15,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:15,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:39:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:15,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:39:15,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438146548] [2020-10-29 14:39:15,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:15,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:39:15,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633423301] [2020-10-29 14:39:15,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:39:15,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:15,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:39:15,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:39:15,888 INFO L87 Difference]: Start difference. First operand 6806 states and 8726 transitions. Second operand 9 states. [2020-10-29 14:39:16,060 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:39:19,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:39:19,285 INFO L93 Difference]: Finished difference Result 11491 states and 15034 transitions. [2020-10-29 14:39:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 14:39:19,286 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2020-10-29 14:39:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:39:19,317 INFO L225 Difference]: With dead ends: 11491 [2020-10-29 14:39:19,318 INFO L226 Difference]: Without dead ends: 8365 [2020-10-29 14:39:19,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:39:19,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8365 states. [2020-10-29 14:39:20,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8365 to 6806. [2020-10-29 14:39:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6806 states. [2020-10-29 14:39:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6806 states to 6806 states and 8677 transitions. [2020-10-29 14:39:20,182 INFO L78 Accepts]: Start accepts. Automaton has 6806 states and 8677 transitions. Word has length 121 [2020-10-29 14:39:20,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:39:20,182 INFO L481 AbstractCegarLoop]: Abstraction has 6806 states and 8677 transitions. [2020-10-29 14:39:20,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:39:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 6806 states and 8677 transitions. [2020-10-29 14:39:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:39:20,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:39:20,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:39:20,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 14:39:20,185 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:39:20,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:39:20,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1154176264, now seen corresponding path program 1 times [2020-10-29 14:39:20,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:39:20,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901277933] [2020-10-29 14:39:20,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:39:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:20,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:20,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:20,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:20,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:20,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:20,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:20,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:39:25,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:39:25,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 14:39:25,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:39:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:39:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 14:39:25,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,360 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:39:25,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:25,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:39:25,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:25,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:25,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:39:25,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:25,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:25,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:25,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:25,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:39:25,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:25,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:25,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:25,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:25,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:39:25,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:39:25,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:39:25,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:25,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:25,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:39:25,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:39:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:25,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:39:25,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:39:25,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:39:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:39:25,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:39:25,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-29 14:39:25,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:39:25,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-29 14:39:25,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:39:25,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:25,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:25,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:25,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:25,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:25,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:25,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:25,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 14:39:25,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:25,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:39:25,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:39:25,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:25,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:25,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:39:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:25,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:25,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:25,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:39:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:39:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:25,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:39:25,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:39:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:39:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:25,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:25,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:25,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:25,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:25,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:25,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:39:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:25,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:39:25,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901277933] [2020-10-29 14:39:25,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:25,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 14:39:25,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404041738] [2020-10-29 14:39:25,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 14:39:25,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:25,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 14:39:25,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-29 14:39:25,833 INFO L87 Difference]: Start difference. First operand 6806 states and 8677 transitions. Second operand 13 states. [2020-10-29 14:39:25,998 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:39:26,978 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:39:27,160 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-29 14:39:27,343 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-29 14:39:27,589 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:39:29,878 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:39:30,052 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:39:30,328 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 14:39:30,587 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:39:32,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:39:32,657 INFO L93 Difference]: Finished difference Result 16466 states and 21973 transitions. [2020-10-29 14:39:32,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-29 14:39:32,657 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 121 [2020-10-29 14:39:32,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:39:32,694 INFO L225 Difference]: With dead ends: 16466 [2020-10-29 14:39:32,695 INFO L226 Difference]: Without dead ends: 9683 [2020-10-29 14:39:32,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 14:39:32,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9683 states. [2020-10-29 14:39:33,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9683 to 7644. [2020-10-29 14:39:33,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7644 states. [2020-10-29 14:39:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7644 states to 7644 states and 9470 transitions. [2020-10-29 14:39:33,625 INFO L78 Accepts]: Start accepts. Automaton has 7644 states and 9470 transitions. Word has length 121 [2020-10-29 14:39:33,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:39:33,626 INFO L481 AbstractCegarLoop]: Abstraction has 7644 states and 9470 transitions. [2020-10-29 14:39:33,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 14:39:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 7644 states and 9470 transitions. [2020-10-29 14:39:33,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:39:33,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:39:33,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:39:33,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 14:39:33,628 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:39:33,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:39:33,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1474331126, now seen corresponding path program 1 times [2020-10-29 14:39:33,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:39:33,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305754670] [2020-10-29 14:39:33,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:39:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:35,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:35,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:35,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:38,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:39:38,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 14:39:38,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:39:38,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:38,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:39:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:39:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-29 14:39:38,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:38,814 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:39:38,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:38,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:38,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:38,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:38,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:39:38,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:38,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:38,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:38,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:38,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:39:38,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:38,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:38,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:38,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:38,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:38,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:38,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:38,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:39:38,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:38,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:38,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:38,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:38,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:38,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:38,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:39:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:38,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:38,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:38,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:39:38,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:38,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:38,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:38,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:39:38,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:38,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:39:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:38,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:38,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:38,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:39:38,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:38,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:39:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:38,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:39:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:38,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:38,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:39:38,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:39:38,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 14:39:38,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:38,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:39:38,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:38,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:38,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:38,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:38,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:38,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:38,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:38,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:38,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:38,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:39,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:39,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:39,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:39,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:39,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:39,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:39,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:39,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:39,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:39,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:39,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:39,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:39,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:39,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:39,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:39,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:39,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:39,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:39,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:39,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:39,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:39,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:39,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:39,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:39,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:39,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:39,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:39,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:39,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:39,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:39,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:39,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:39,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:39,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:39,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:39,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:39,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:39,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:39,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:39:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:39,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:39,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:39,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:39,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:39,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:39:39,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:39,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:39:39,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:39,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:39:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:39,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:39,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:39,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:39,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:39,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:39,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:39,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:39:39,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:39:39,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305754670] [2020-10-29 14:39:39,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:39,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:39:39,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540745726] [2020-10-29 14:39:39,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:39:39,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:39,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:39:39,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:39:39,068 INFO L87 Difference]: Start difference. First operand 7644 states and 9470 transitions. Second operand 8 states. [2020-10-29 14:39:39,214 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:39:44,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:39:44,814 INFO L93 Difference]: Finished difference Result 23130 states and 29407 transitions. [2020-10-29 14:39:44,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 14:39:44,815 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-29 14:39:44,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:39:44,857 INFO L225 Difference]: With dead ends: 23130 [2020-10-29 14:39:44,858 INFO L226 Difference]: Without dead ends: 15510 [2020-10-29 14:39:44,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-29 14:39:44,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15510 states. [2020-10-29 14:39:46,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15510 to 12670. [2020-10-29 14:39:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12670 states. [2020-10-29 14:39:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12670 states to 12670 states and 15480 transitions. [2020-10-29 14:39:46,522 INFO L78 Accepts]: Start accepts. Automaton has 12670 states and 15480 transitions. Word has length 121 [2020-10-29 14:39:46,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:39:46,522 INFO L481 AbstractCegarLoop]: Abstraction has 12670 states and 15480 transitions. [2020-10-29 14:39:46,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:39:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 12670 states and 15480 transitions. [2020-10-29 14:39:46,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-29 14:39:46,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:39:46,533 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 14:39:46,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 14:39:46,533 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:39:46,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:39:46,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1880496171, now seen corresponding path program 1 times [2020-10-29 14:39:46,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:39:46,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447729265] [2020-10-29 14:39:46,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:39:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:46,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:46,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:46,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:46,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:46,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:47,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:47,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:47,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:48,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-29 14:39:51,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 14:39:51,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:39:51,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 14:39:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 14:39:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-29 14:39:51,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,713 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:39:51,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:51,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:39:51,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:51,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:51,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:51,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:51,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:51,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:51,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:39:51,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:39:51,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:39:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:39:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:51,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:51,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:51,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:39:51,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:39:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:39:51,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:39:51,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 14:39:51,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 14:39:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:51,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:39:51,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:51,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:51,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:51,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:39:51,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:51,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:39:51,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:51,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:51,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:51,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:51,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:51,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:51,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:39:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:51,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:39:51,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:51,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:39:51,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:51,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:39:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:51,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:51,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:51,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:51,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:51,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:51,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:51,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:39:51,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:52,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 14:39:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:52,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:52,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 14:39:52,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:39:52,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-29 14:39:52,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:52,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:39:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 14:39:52,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:52,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:39:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:52,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:52,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 14:39:52,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:39:52,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-29 14:39:52,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:52,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:39:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 14:39:52,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:52,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:52,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:52,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:39:52,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:39:52,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 14:39:52,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:52,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:52,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:52,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 14:39:52,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:52,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:52,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:52,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:52,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:52,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:52,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:52,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:52,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:52,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:52,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:52,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:52,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:52,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:52,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:52,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:52,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:52,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:52,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:52,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:52,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:52,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:52,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:52,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:52,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:52,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:52,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:52,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:52,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:52,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:52,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:52,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:52,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:52,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:52,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:52,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:52,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:52,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:52,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:52,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:52,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-29 14:39:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:52,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:52,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:52,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:52,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:52,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:52,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:52,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:39:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:52,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:52,685 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-29 14:39:52,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447729265] [2020-10-29 14:39:52,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:52,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 14:39:52,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888025164] [2020-10-29 14:39:52,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 14:39:52,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:52,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 14:39:52,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 14:39:52,687 INFO L87 Difference]: Start difference. First operand 12670 states and 15480 transitions. Second operand 11 states. [2020-10-29 14:39:52,854 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:40:01,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:40:01,741 INFO L93 Difference]: Finished difference Result 43118 states and 57827 transitions. [2020-10-29 14:40:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 14:40:01,741 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 196 [2020-10-29 14:40:01,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:40:01,849 INFO L225 Difference]: With dead ends: 43118 [2020-10-29 14:40:01,849 INFO L226 Difference]: Without dead ends: 30474 [2020-10-29 14:40:01,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2020-10-29 14:40:01,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30474 states. [2020-10-29 14:40:04,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30474 to 23914. [2020-10-29 14:40:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23914 states. [2020-10-29 14:40:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23914 states to 23914 states and 30572 transitions. [2020-10-29 14:40:04,830 INFO L78 Accepts]: Start accepts. Automaton has 23914 states and 30572 transitions. Word has length 196 [2020-10-29 14:40:04,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:40:04,831 INFO L481 AbstractCegarLoop]: Abstraction has 23914 states and 30572 transitions. [2020-10-29 14:40:04,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 14:40:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 23914 states and 30572 transitions. [2020-10-29 14:40:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-29 14:40:04,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:40:04,851 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 14:40:04,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 14:40:04,852 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:40:04,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:40:04,852 INFO L82 PathProgramCache]: Analyzing trace with hash 448484371, now seen corresponding path program 1 times [2020-10-29 14:40:04,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:40:04,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730045680] [2020-10-29 14:40:04,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:40:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:04,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:04,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:04,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:04,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:09,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:09,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-29 14:40:09,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 14:40:09,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 14:40:09,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:09,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 14:40:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-29 14:40:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-29 14:40:09,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,049 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:40:10,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:40:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:10,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:40:10,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:40:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:10,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:40:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:40:10,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:40:10,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:10,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:40:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:40:10,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 14:40:10,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:40:10,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:40:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:40:10,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:40:10,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:40:10,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:40:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:40:10,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:40:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 14:40:10,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:40:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:40:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 14:40:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:40:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:10,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:40:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:10,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:40:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:10,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:40:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:10,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:40:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:10,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:40:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:40:10,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:40:10,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:40:10,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:40:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:40:10,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:40:10,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 14:40:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 14:40:10,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:40:10,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-29 14:40:10,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:40:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:40:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 14:40:10,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:40:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 14:40:10,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:40:10,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 14:40:10,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:40:10,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:40:10,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 14:40:10,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:40:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:40:10,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:40:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 14:40:10,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:40:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:40:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 14:40:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:40:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:10,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:10,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:40:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:10,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:10,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:40:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:10,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:10,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:10,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:40:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:10,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:10,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:40:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:10,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:10,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-29 14:40:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:10,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:10,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:10,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:40:10,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:10,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:10,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:10,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:40:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:10,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:10,807 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-29 14:40:10,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730045680] [2020-10-29 14:40:10,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:40:10,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:40:10,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578877152] [2020-10-29 14:40:10,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:40:10,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:40:10,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:40:10,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:40:10,809 INFO L87 Difference]: Start difference. First operand 23914 states and 30572 transitions. Second operand 9 states. [2020-10-29 14:40:10,990 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 115