/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:34:02,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:34:02,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:34:02,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:34:02,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:34:02,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:34:02,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:34:02,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:34:02,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:34:02,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:34:02,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:34:02,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:34:02,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:34:02,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:34:02,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:34:02,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:34:02,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:34:02,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:34:02,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:34:02,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:34:02,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:34:02,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:34:02,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:34:02,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:34:02,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:34:02,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:34:02,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:34:02,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:34:02,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:34:02,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:34:02,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:34:02,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:34:02,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:34:02,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:34:02,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:34:02,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:34:02,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:34:02,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:34:02,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:34:02,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:34:02,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:34:02,752 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 [2020-09-25 12:34:02,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:34:02,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:34:02,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:34:02,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:34:02,806 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:34:02,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:34:02,808 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:34:02,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:34:02,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:34:02,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:34:02,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:34:02,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:34:02,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:34:02,810 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:34:02,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:34:02,811 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:34:02,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:34:02,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:34:02,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:34:02,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:34:02,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:34:02,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:34:02,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:34:02,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:34:02,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:34:02,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:34:02,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:34:02,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:34:02,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:34:02,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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; 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; 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; 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; 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; 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; [2020-09-25 12:34:03,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:34:03,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:34:03,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:34:03,311 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:34:03,312 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:34:03,313 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-25 12:34:03,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eefea9b85/4394d11da8c04736a7f313db17784dbe/FLAG30857faad [2020-09-25 12:34:03,958 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:34:03,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-25 12:34:03,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eefea9b85/4394d11da8c04736a7f313db17784dbe/FLAG30857faad [2020-09-25 12:34:04,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eefea9b85/4394d11da8c04736a7f313db17784dbe [2020-09-25 12:34:04,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:34:04,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:34:04,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:34:04,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:34:04,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:34:04,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528baabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04, skipping insertion in model container [2020-09-25 12:34:04,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:34:04,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:34:04,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:34:04,719 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:34:04,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:34:04,881 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:34:04,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04 WrapperNode [2020-09-25 12:34:04,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:34:04,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:34:04,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:34:04,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:34:04,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:34:04,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:34:04,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:34:04,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:34:04,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (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 [2020-09-25 12:34:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:34:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:34:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 12:34:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 12:34:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 12:34:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 12:34:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 12:34:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 12:34:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 12:34:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 12:34:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 12:34:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 12:34:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 12:34:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 12:34:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 12:34:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 12:34:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 12:34:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 12:34:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 12:34:05,026 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 12:34:05,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:34:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:34:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 12:34:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 12:34:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 12:34:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 12:34:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:34:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 12:34:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 12:34:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 12:34:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 12:34:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 12:34:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 12:34:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 12:34:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 12:34:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 12:34:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 12:34:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 12:34:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 12:34:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 12:34:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 12:34:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:34:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:34:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:34:05,596 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:34:05,596 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 12:34:05,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:34:05 BoogieIcfgContainer [2020-09-25 12:34:05,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:34:05,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:34:05,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:34:05,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:34:05,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:34:04" (1/3) ... [2020-09-25 12:34:05,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160c34e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:34:05, skipping insertion in model container [2020-09-25 12:34:05,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (2/3) ... [2020-09-25 12:34:05,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160c34e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:34:05, skipping insertion in model container [2020-09-25 12:34:05,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:34:05" (3/3) ... [2020-09-25 12:34:05,614 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-1.c [2020-09-25 12:34:05,627 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:34:05,639 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:34:05,661 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:34:05,692 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:34:05,692 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:34:05,692 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:34:05,693 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:34:05,693 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:34:05,693 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:34:05,693 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:34:05,693 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:34:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2020-09-25 12:34:05,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-25 12:34:05,741 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:05,743 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] [2020-09-25 12:34:05,744 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:05,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:05,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1066956110, now seen corresponding path program 1 times [2020-09-25 12:34:05,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:05,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95723200] [2020-09-25 12:34:05,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:06,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:06,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-25 12:34:08,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:08,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2152 [2020-09-25 12:34:08,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 12:34:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:34:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-25 12:34:08,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 12:34:08,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:08,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:08,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:08,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 12:34:08,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:08,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 12:34:08,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:08,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:08,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:08,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:34:08,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:34:08,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 12:34:08,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:08,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:08,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:08,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:08,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:08,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:08,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:08,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-25 12:34:08,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:08,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:08,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:08,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:34:08,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:08,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:08,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:08,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 12:34:08,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:08,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:08,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:08,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:08,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:08,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:08,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:08,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:08,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:08,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:08,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:08,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:08,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:08,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 12:34:08,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:08,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:08,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:08,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:08,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:08,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:08,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:08,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:08,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:08,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:08,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:08,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:08,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:08,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:08,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:08,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:08,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:08,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:08,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:08,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:08,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:08,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:08,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:08,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:08,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:08,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:34:08,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:08,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:08,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:34:08,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [95723200] [2020-09-25 12:34:08,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:08,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:34:08,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575762310] [2020-09-25 12:34:08,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:34:08,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:08,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:34:08,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:34:08,723 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 8 states. [2020-09-25 12:34:12,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:12,569 INFO L93 Difference]: Finished difference Result 1032 states and 1403 transitions. [2020-09-25 12:34:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 12:34:12,572 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-09-25 12:34:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:12,601 INFO L225 Difference]: With dead ends: 1032 [2020-09-25 12:34:12,601 INFO L226 Difference]: Without dead ends: 823 [2020-09-25 12:34:12,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2020-09-25 12:34:12,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2020-09-25 12:34:12,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 576. [2020-09-25 12:34:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-09-25 12:34:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 714 transitions. [2020-09-25 12:34:12,761 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 714 transitions. Word has length 107 [2020-09-25 12:34:12,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:12,762 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 714 transitions. [2020-09-25 12:34:12,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:34:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 714 transitions. [2020-09-25 12:34:12,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 12:34:12,770 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:12,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:34:12,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:34:12,771 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:12,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:12,772 INFO L82 PathProgramCache]: Analyzing trace with hash -517401199, now seen corresponding path program 1 times [2020-09-25 12:34:12,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:12,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915902977] [2020-09-25 12:34:12,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:14,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:14,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:14,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 12:34:14,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:14,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2058 [2020-09-25 12:34:14,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:14,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:34:14,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-25 12:34:14,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-25 12:34:14,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:34:15,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:15,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:15,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:15,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:15,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:34:15,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:15,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:15,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:15,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:15,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:15,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:15,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:34:15,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:15,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:34:15,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:15,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:34:15,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:15,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 12:34:15,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:15,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 12:34:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:15,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:15,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:15,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:15,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:15,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:15,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:15,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:15,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:15,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:15,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:15,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:15,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:15,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 12:34:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 12:34:15,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-25 12:34:15,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:34:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 12:34:15,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 12:34:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 12:34:15,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 12:34:15,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:34:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 12:34:15,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:15,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:34:15,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:15,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:15,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 12:34:15,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:15,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:15,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:15,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:15,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:15,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:15,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:15,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:15,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 12:34:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:15,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:15,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:15,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:15,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:15,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:15,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:15,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:15,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:15,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:15,710 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 12:34:15,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915902977] [2020-09-25 12:34:15,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:15,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:34:15,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31381355] [2020-09-25 12:34:15,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:34:15,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:15,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:34:15,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:34:15,716 INFO L87 Difference]: Start difference. First operand 576 states and 714 transitions. Second operand 10 states. [2020-09-25 12:34:18,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:18,987 INFO L93 Difference]: Finished difference Result 2208 states and 3076 transitions. [2020-09-25 12:34:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 12:34:18,988 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-09-25 12:34:18,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:19,013 INFO L225 Difference]: With dead ends: 2208 [2020-09-25 12:34:19,014 INFO L226 Difference]: Without dead ends: 1672 [2020-09-25 12:34:19,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2020-09-25 12:34:19,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-09-25 12:34:19,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1113. [2020-09-25 12:34:19,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2020-09-25 12:34:19,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1439 transitions. [2020-09-25 12:34:19,196 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1439 transitions. Word has length 170 [2020-09-25 12:34:19,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:19,197 INFO L479 AbstractCegarLoop]: Abstraction has 1113 states and 1439 transitions. [2020-09-25 12:34:19,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:34:19,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1439 transitions. [2020-09-25 12:34:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 12:34:19,208 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:19,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:34:19,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:34:19,209 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:19,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:19,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1933579983, now seen corresponding path program 1 times [2020-09-25 12:34:19,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:19,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472092214] [2020-09-25 12:34:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 12:34:19,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:19,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-09-25 12:34:19,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:19,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 12:34:19,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 12:34:19,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:19,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:34:19,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:19,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:19,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:19,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 12:34:19,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:19,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:19,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:19,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:19,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:19,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:19,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 12:34:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:34:19,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:19,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:19,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:19,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 12:34:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:19,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:19,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:19,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:34:19,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 12:34:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 12:34:19,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 12:34:19,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-25 12:34:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 12:34:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 12:34:19,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:19,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:20,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:20,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:20,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:20,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:20,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:20,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:20,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:20,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:20,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:20,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:20,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:20,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 12:34:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:20,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:20,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:20,113 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-09-25 12:34:20,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472092214] [2020-09-25 12:34:20,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:20,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:34:20,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074741606] [2020-09-25 12:34:20,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:34:20,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:20,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:34:20,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:34:20,118 INFO L87 Difference]: Start difference. First operand 1113 states and 1439 transitions. Second operand 9 states. [2020-09-25 12:34:21,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:21,910 INFO L93 Difference]: Finished difference Result 2606 states and 3442 transitions. [2020-09-25 12:34:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 12:34:21,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-25 12:34:21,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:21,922 INFO L225 Difference]: With dead ends: 2606 [2020-09-25 12:34:21,923 INFO L226 Difference]: Without dead ends: 1531 [2020-09-25 12:34:21,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-09-25 12:34:21,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2020-09-25 12:34:21,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1107. [2020-09-25 12:34:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1107 states. [2020-09-25 12:34:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1428 transitions. [2020-09-25 12:34:22,008 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1428 transitions. Word has length 170 [2020-09-25 12:34:22,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:22,009 INFO L479 AbstractCegarLoop]: Abstraction has 1107 states and 1428 transitions. [2020-09-25 12:34:22,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:34:22,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1428 transitions. [2020-09-25 12:34:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-25 12:34:22,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:22,012 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:34:22,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:34:22,013 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:22,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:22,013 INFO L82 PathProgramCache]: Analyzing trace with hash 2042384132, now seen corresponding path program 1 times [2020-09-25 12:34:22,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:22,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871902972] [2020-09-25 12:34:22,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-25 12:34:22,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:22,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 12:34:22,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 12:34:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 12:34:22,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:22,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:22,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:22,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:34:22,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:22,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:22,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:22,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:22,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:22,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:22,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:22,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:22,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:22,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:22,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:22,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:22,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:22,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:22,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:22,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:22,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 12:34:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 12:34:22,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 12:34:22,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 12:34:22,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 12:34:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 12:34:22,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:22,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:22,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:22,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:22,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:22,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:22,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:22,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:22,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:22,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:22,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:22,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 12:34:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:22,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:22,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:22,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:22,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:22,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:34:22,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:22,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 12:34:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:34:22,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-25 12:34:22,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871902972] [2020-09-25 12:34:22,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:22,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:34:22,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089128841] [2020-09-25 12:34:22,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:34:22,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:22,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:34:22,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:34:22,769 INFO L87 Difference]: Start difference. First operand 1107 states and 1428 transitions. Second operand 9 states. [2020-09-25 12:34:25,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:25,836 INFO L93 Difference]: Finished difference Result 4025 states and 5555 transitions. [2020-09-25 12:34:25,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 12:34:25,836 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 175 [2020-09-25 12:34:25,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:25,859 INFO L225 Difference]: With dead ends: 4025 [2020-09-25 12:34:25,859 INFO L226 Difference]: Without dead ends: 2957 [2020-09-25 12:34:25,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2020-09-25 12:34:25,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2957 states. [2020-09-25 12:34:26,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2957 to 2267. [2020-09-25 12:34:26,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2267 states. [2020-09-25 12:34:26,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 2267 states and 3016 transitions. [2020-09-25 12:34:26,033 INFO L78 Accepts]: Start accepts. Automaton has 2267 states and 3016 transitions. Word has length 175 [2020-09-25 12:34:26,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:26,035 INFO L479 AbstractCegarLoop]: Abstraction has 2267 states and 3016 transitions. [2020-09-25 12:34:26,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:34:26,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 3016 transitions. [2020-09-25 12:34:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-25 12:34:26,046 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:26,046 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:34:26,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:34:26,047 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:26,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:26,047 INFO L82 PathProgramCache]: Analyzing trace with hash 214480794, now seen corresponding path program 1 times [2020-09-25 12:34:26,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:26,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073860010] [2020-09-25 12:34:26,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:26,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:26,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:26,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:26,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:26,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:27,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-25 12:34:31,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 12:34:31,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 12:34:31,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 12:34:31,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 12:34:31,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-09-25 12:34:31,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:31,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:31,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 12:34:31,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 12:34:31,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:31,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:31,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:34:31,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:31,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:31,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:31,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:31,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:31,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:31,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:31,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:31,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:31,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:31,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:31,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:31,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 12:34:31,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 12:34:31,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:31,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:31,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:31,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:31,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:31,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:31,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:31,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:31,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:31,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:31,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:31,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:31,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:31,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:34:31,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:31,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 12:34:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 12:34:31,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:31,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 12:34:31,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:31,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-25 12:34:31,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 12:34:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 12:34:31,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:31,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 12:34:31,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 12:34:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 12:34:31,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:31,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:31,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 12:34:31,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:31,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:31,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:34:31,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:31,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:34:31,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:31,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:34:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:31,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:31,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:31,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:31,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:31,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:31,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 12:34:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:31,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:31,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:31,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 12:34:31,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:31,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-09-25 12:34:31,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:31,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:31,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:31,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:32,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 12:34:32,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:32,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 12:34:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:32,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:32,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:32,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 12:34:32,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:32,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 12:34:32,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:32,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:32,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:32,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 12:34:32,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:32,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:32,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:32,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:32,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 12:34:32,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:32,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:32,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:32,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:32,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:32,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:32,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:32,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:32,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:32,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:32,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:32,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:32,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 12:34:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:32,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:32,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:32,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:32,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:32,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:32,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:32,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:32,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:32,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-25 12:34:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:32,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:32,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:32,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:32,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:32,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:32,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:32,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:32,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:32,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:32,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:32,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-09-25 12:34:32,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073860010] [2020-09-25 12:34:32,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:34:32,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-25 12:34:32,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182634720] [2020-09-25 12:34:32,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 12:34:32,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:32,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 12:34:32,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-25 12:34:32,330 INFO L87 Difference]: Start difference. First operand 2267 states and 3016 transitions. Second operand 14 states. [2020-09-25 12:34:37,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:37,050 INFO L93 Difference]: Finished difference Result 7031 states and 9782 transitions. [2020-09-25 12:34:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-25 12:34:37,051 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 220 [2020-09-25 12:34:37,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:37,072 INFO L225 Difference]: With dead ends: 7031 [2020-09-25 12:34:37,072 INFO L226 Difference]: Without dead ends: 3481 [2020-09-25 12:34:37,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=572, Invalid=2080, Unknown=0, NotChecked=0, Total=2652 [2020-09-25 12:34:37,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2020-09-25 12:34:37,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 2444. [2020-09-25 12:34:37,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2444 states. [2020-09-25 12:34:37,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3083 transitions. [2020-09-25 12:34:37,242 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3083 transitions. Word has length 220 [2020-09-25 12:34:37,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:37,242 INFO L479 AbstractCegarLoop]: Abstraction has 2444 states and 3083 transitions. [2020-09-25 12:34:37,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 12:34:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3083 transitions. [2020-09-25 12:34:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-09-25 12:34:37,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:37,250 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:34:37,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 12:34:37,251 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:37,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:37,251 INFO L82 PathProgramCache]: Analyzing trace with hash 78187871, now seen corresponding path program 1 times [2020-09-25 12:34:37,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:37,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327299939] [2020-09-25 12:34:37,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:39,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:39,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:39,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:40,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:40,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-09-25 12:34:42,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 12:34:42,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 12:34:42,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 12:34:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-25 12:34:42,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:42,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:42,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:42,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:42,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:42,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:42,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:42,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:42,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:42,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:42,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:42,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:42,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:42,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:42,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:42,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:42,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 12:34:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:42,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:42,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:42,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 12:34:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:42,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:42,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 12:34:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 12:34:42,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:42,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 12:34:42,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 12:34:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 12:34:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 12:34:42,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:42,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:42,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:42,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:42,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:42,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 12:34:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 12:34:42,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 12:34:42,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 12:34:42,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 12:34:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 12:34:42,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 12:34:42,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 12:34:42,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 12:34:42,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:43,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 12:34:43,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 12:34:43,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:43,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:43,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 12:34:43,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:43,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:43,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:43,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:43,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 12:34:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:43,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:43,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 12:34:43,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:43,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 12:34:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:43,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:43,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:43,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:43,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:43,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 61 proven. 3 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-09-25 12:34:43,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327299939] [2020-09-25 12:34:43,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:34:43,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 12:34:43,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982007288] [2020-09-25 12:34:43,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 12:34:43,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:43,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 12:34:43,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-09-25 12:34:43,229 INFO L87 Difference]: Start difference. First operand 2444 states and 3083 transitions. Second operand 12 states. [2020-09-25 12:34:47,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:47,511 INFO L93 Difference]: Finished difference Result 5071 states and 6825 transitions. [2020-09-25 12:34:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 12:34:47,512 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2020-09-25 12:34:47,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:47,533 INFO L225 Difference]: With dead ends: 5071 [2020-09-25 12:34:47,533 INFO L226 Difference]: Without dead ends: 3357 [2020-09-25 12:34:47,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=271, Invalid=989, Unknown=0, NotChecked=0, Total=1260 [2020-09-25 12:34:47,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-09-25 12:34:47,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 2553. [2020-09-25 12:34:47,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2020-09-25 12:34:47,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 3184 transitions. [2020-09-25 12:34:47,750 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 3184 transitions. Word has length 246 [2020-09-25 12:34:47,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:47,750 INFO L479 AbstractCegarLoop]: Abstraction has 2553 states and 3184 transitions. [2020-09-25 12:34:47,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 12:34:47,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3184 transitions. [2020-09-25 12:34:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-25 12:34:47,759 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:47,760 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:34:47,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 12:34:47,760 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:47,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:47,761 INFO L82 PathProgramCache]: Analyzing trace with hash -2140706519, now seen corresponding path program 1 times [2020-09-25 12:34:47,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:47,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [374758073] [2020-09-25 12:34:47,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:47,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking...