/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:25:49,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:25:49,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:25:49,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:25:49,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:25:49,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:25:49,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:25:49,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:25:49,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:25:49,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:25:49,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:25:49,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:25:49,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:25:49,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:25:49,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:25:49,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:25:49,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:25:49,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:25:49,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:25:49,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:25:49,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:25:49,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:25:49,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:25:49,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:25:49,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:25:49,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:25:49,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:25:49,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:25:49,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:25:49,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:25:49,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:25:49,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:25:49,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:25:49,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:25:49,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:25:49,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:25:49,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:25:49,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:25:49,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:25:49,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:25:49,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:25:49,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 15:25:49,673 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:25:49,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:25:49,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:25:49,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:25:49,675 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:25:49,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:25:49,676 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:25:49,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:25:49,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:25:49,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:25:49,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:25:49,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:25:49,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:25:49,677 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:25:49,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:25:49,677 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:25:49,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:25:49,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:25:49,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:25:49,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:25:49,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:25:49,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:25:49,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:25:49,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:25:49,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:25:49,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:25:49,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:25:49,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:25:49,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:25:49,680 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 15:25:50,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:25:50,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:25:50,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:25:50,024 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:25:50,024 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:25:50,025 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c [2020-10-13 15:25:50,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d199d994/a8104e0695874fb38934f1efb1ca19d5/FLAGf2d24f693 [2020-10-13 15:25:50,797 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:25:50,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c [2020-10-13 15:25:50,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d199d994/a8104e0695874fb38934f1efb1ca19d5/FLAGf2d24f693 [2020-10-13 15:25:50,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d199d994/a8104e0695874fb38934f1efb1ca19d5 [2020-10-13 15:25:50,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:25:50,894 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:25:50,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:25:50,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:25:50,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:25:50,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:25:50" (1/1) ... [2020-10-13 15:25:50,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9f27fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:50, skipping insertion in model container [2020-10-13 15:25:50,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:25:50" (1/1) ... [2020-10-13 15:25:50,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:25:51,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:25:52,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:25:52,167 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:25:52,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:25:52,728 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:25:52,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:52 WrapperNode [2020-10-13 15:25:52,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:25:52,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:25:52,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:25:52,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:25:52,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:52" (1/1) ... [2020-10-13 15:25:52,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:52" (1/1) ... [2020-10-13 15:25:52,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:52" (1/1) ... [2020-10-13 15:25:52,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:52" (1/1) ... [2020-10-13 15:25:52,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:52" (1/1) ... [2020-10-13 15:25:53,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:52" (1/1) ... [2020-10-13 15:25:53,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:52" (1/1) ... [2020-10-13 15:25:53,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:25:53,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:25:53,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:25:53,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:25:53,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:25:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:25:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:25:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-13 15:25:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-13 15:25:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-13 15:25:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-13 15:25:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-13 15:25:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-13 15:25:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-13 15:25:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-13 15:25:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-13 15:25:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-13 15:25:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-13 15:25:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-13 15:25:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-13 15:25:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-13 15:25:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-13 15:25:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-13 15:25:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-13 15:25:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-13 15:25:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-13 15:25:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-13 15:25:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-13 15:25:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-13 15:25:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-13 15:25:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-13 15:25:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-13 15:25:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-13 15:25:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-13 15:25:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-13 15:25:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-13 15:25:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-13 15:25:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-13 15:25:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-13 15:25:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-13 15:25:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-13 15:25:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-13 15:25:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-13 15:25:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:25:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-13 15:25:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-13 15:25:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-13 15:25:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-13 15:25:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-13 15:25:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-13 15:25:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-13 15:25:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-13 15:25:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-13 15:25:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-13 15:25:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-13 15:25:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-13 15:25:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-13 15:25:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-13 15:25:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-13 15:25:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-13 15:25:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-13 15:25:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-13 15:25:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-13 15:25:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-13 15:25:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-13 15:25:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-13 15:25:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-13 15:25:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-13 15:25:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-13 15:25:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-13 15:25:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-13 15:25:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-13 15:25:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-13 15:25:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-13 15:25:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-13 15:25:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-13 15:25:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-13 15:25:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-13 15:25:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-13 15:25:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-13 15:25:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-13 15:25:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-13 15:25:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-13 15:25:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-13 15:25:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-13 15:25:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-13 15:25:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-13 15:25:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-13 15:25:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-13 15:25:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:25:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-13 15:25:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-13 15:25:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-13 15:25:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-13 15:25:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-13 15:25:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-13 15:25:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-13 15:25:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 15:25:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:25:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-13 15:25:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-13 15:25:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-13 15:25:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-13 15:25:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 15:25:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-13 15:25:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-13 15:25:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-13 15:25:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-13 15:25:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-13 15:25:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-13 15:25:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-13 15:25:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-13 15:25:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-13 15:25:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-13 15:25:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-13 15:25:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-13 15:25:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-13 15:25:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-13 15:25:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-13 15:25:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-13 15:25:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-13 15:25:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-13 15:25:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-13 15:25:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-13 15:25:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-13 15:25:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-13 15:25:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-13 15:25:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-13 15:25:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-13 15:25:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-13 15:25:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-13 15:25:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-13 15:25:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-13 15:25:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-13 15:25:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-13 15:25:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-13 15:25:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-13 15:25:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-13 15:25:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-13 15:25:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-13 15:25:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-13 15:25:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-13 15:25:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-13 15:25:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-13 15:25:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-13 15:25:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-13 15:25:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-13 15:25:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-13 15:25:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-13 15:25:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-13 15:25:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-13 15:25:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-13 15:25:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-13 15:25:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-13 15:25:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-13 15:25:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-13 15:25:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-13 15:25:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-13 15:25:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-13 15:25:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:25:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:25:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 15:25:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 15:25:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:25:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 15:26:13,589 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:26:13,590 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 15:26:13,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:26:13 BoogieIcfgContainer [2020-10-13 15:26:13,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:26:13,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:26:13,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:26:13,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:26:13,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:25:50" (1/3) ... [2020-10-13 15:26:13,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c82c6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:26:13, skipping insertion in model container [2020-10-13 15:26:13,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:25:52" (2/3) ... [2020-10-13 15:26:13,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c82c6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:26:13, skipping insertion in model container [2020-10-13 15:26:13,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:26:13" (3/3) ... [2020-10-13 15:26:13,623 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-2.c [2020-10-13 15:26:13,636 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:26:13,650 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:26:13,671 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:26:13,718 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:26:13,718 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:26:13,718 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:26:13,719 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:26:13,719 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:26:13,719 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:26:13,719 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:26:13,719 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:26:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states. [2020-10-13 15:26:13,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-13 15:26:13,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:26:13,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:26:13,831 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:26:13,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:26:13,837 INFO L82 PathProgramCache]: Analyzing trace with hash -650504495, now seen corresponding path program 1 times [2020-10-13 15:26:13,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:26:13,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566402799] [2020-10-13 15:26:13,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:26:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:26:14,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:14,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:15,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:15,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:15,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:15,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:15,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:15,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:15,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:15,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:16,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:16,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:31,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:26:31,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 15:26:31,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 15:26:31,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16895 [2020-10-13 15:26:31,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:26:31,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:26:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-13 15:26:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:26:31,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:26:32,836 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-13 15:26:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:26:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:26:32,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:32,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:26:32,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:26:32,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:26:32,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 15:26:32,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:26:32,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:26:32,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:26:32,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:26:32,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:26:33,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 15:26:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:26:33,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:26:33,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:26:33,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:26:33,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:26:33,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:26:33,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:26:33,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:26:33,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:26:33,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:26:33,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 15:26:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:26:33,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:26:33,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:26:33,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:26:33,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:26:33,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:26:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:26:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:26:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:26:33,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:26:33,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 15:26:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:26:33,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:33,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:34,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:35,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:26:35,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 15:26:35,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 43 [2020-10-13 15:26:35,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2025 [2020-10-13 15:26:35,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:26:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:26:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-13 15:26:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:26:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:26:35,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 15:26:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:26:35,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:36,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:26:36,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:26:36,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:26:36,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 840 [2020-10-13 15:26:36,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:26:36,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:26:36,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:26:36,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:26:36,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:26:36,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 15:26:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:26:36,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:36,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:36,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:26:36,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 15:26:36,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:26:36,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 15:26:36,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:26:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:26:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 15:26:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:26:36,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:26:36,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:26:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:26:36,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:36,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:26:36,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:26:36,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:26:36,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:26:36,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:26:36,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:26:36,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:26:36,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:26:36,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:26:36,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:26:36,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566402799] [2020-10-13 15:26:36,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:26:36,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 15:26:36,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905686449] [2020-10-13 15:26:36,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 15:26:36,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:26:36,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 15:26:36,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 15:26:36,349 INFO L87 Difference]: Start difference. First operand 2589 states. Second operand 6 states. [2020-10-13 15:26:37,917 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-13 15:27:33,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:27:33,682 INFO L93 Difference]: Finished difference Result 6000 states and 9851 transitions. [2020-10-13 15:27:33,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 15:27:33,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-13 15:27:33,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:27:33,746 INFO L225 Difference]: With dead ends: 6000 [2020-10-13 15:27:33,746 INFO L226 Difference]: Without dead ends: 3421 [2020-10-13 15:27:33,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:27:33,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3421 states. [2020-10-13 15:27:34,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3421 to 2561. [2020-10-13 15:27:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2561 states. [2020-10-13 15:27:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3144 transitions. [2020-10-13 15:27:34,309 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3144 transitions. Word has length 163 [2020-10-13 15:27:34,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:27:34,310 INFO L479 AbstractCegarLoop]: Abstraction has 2561 states and 3144 transitions. [2020-10-13 15:27:34,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 15:27:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3144 transitions. [2020-10-13 15:27:34,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-13 15:27:34,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:27:34,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:27:34,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:27:34,319 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:27:34,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:27:34,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1900730907, now seen corresponding path program 1 times [2020-10-13 15:27:34,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:27:34,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567369553] [2020-10-13 15:27:34,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:27:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:34,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:35,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:00,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:21,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:21,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 15:28:21,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:28:21,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47222 [2020-10-13 15:28:21,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:21,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:28:21,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-13 15:28:21,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:28:21,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:28:23,354 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-13 15:28:23,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:28:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:23,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:23,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:23,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:28:23,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:23,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 15:28:23,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:23,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 15:28:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:23,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:23,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:23,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:28:23,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:23,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:28:23,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:23,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:23,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 15:28:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:23,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:23,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:23,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:28:23,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:28:23,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:23,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:23,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:23,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:23,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:23,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 15:28:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:23,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:23,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:24,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:26,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:28,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:28,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 15:28:28,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:28:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-13 15:28:28,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:28,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:28,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 15:28:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:28,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:29,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:29,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:28:29,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:29,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-13 15:28:29,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:29,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:29,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:29,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:29,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:29,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 15:28:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:29,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:29,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:29,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:29,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:29,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:29,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:29,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:31,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:31,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:31,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:31,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:31,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:32,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 15:28:34,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 15:28:34,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:28:34,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:28:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:28:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:28:34,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:34,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:28:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:34,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:28:34,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:34,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:28:34,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:34,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:34,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:28:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:34,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:28:34,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:34,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:28:34,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:34,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:34,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:28:34,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 15:28:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:34,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 15:28:34,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:34,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:28:34,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:34,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:34,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:34,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:28:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:34,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:28:34,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:34,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:28:34,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:34,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:34,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:28:34,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:28:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:34,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:28:34,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:34,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:28:34,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:34,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:34,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:34,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:34,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 15:28:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:34,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:28:34,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:28:34,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:34,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 15:28:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:34,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:28:34,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:34,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:28:34,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:28:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:34,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:28:34,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:34,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 15:28:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:34,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:28:34,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:34,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:28:34,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:28:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:28:34,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:34,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 15:28:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:34,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:28:34,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:34,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:28:34,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:28:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 15:28:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 15:28:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:34,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 15:28:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:28:34,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:28:34,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:28:34,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 15:28:34,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:28:34,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:28:34,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:28:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:28:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:28:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:28:34,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:28:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 15:28:34,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567369553] [2020-10-13 15:28:34,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:28:34,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 15:28:34,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193301773] [2020-10-13 15:28:34,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 15:28:34,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:28:34,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 15:28:34,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-13 15:28:34,802 INFO L87 Difference]: Start difference. First operand 2561 states and 3144 transitions. Second operand 13 states. [2020-10-13 15:28:36,453 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-13 15:28:38,940 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-13 15:28:41,042 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-13 15:28:50,011 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 495 [2020-10-13 15:28:54,245 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 499 DAG size of output: 497 [2020-10-13 15:28:56,558 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 492 [2020-10-13 15:29:09,701 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 489 [2020-10-13 15:29:14,003 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 493 DAG size of output: 491 [2020-10-13 15:29:16,263 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 486