/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.3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:24:54,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:24:54,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:24:54,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:24:54,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:24:54,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:24:54,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:24:54,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:24:54,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:24:54,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:24:54,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:24:54,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:24:54,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:24:54,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:24:54,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:24:54,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:24:54,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:24:54,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:24:54,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:24:54,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:24:54,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:24:54,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:24:54,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:24:54,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:24:54,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:24:54,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:24:54,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:24:54,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:24:54,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:24:54,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:24:54,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:24:54,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:24:54,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:24:54,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:24:54,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:24:54,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:24:54,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:24:54,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:24:54,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:24:54,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:24:54,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:24:54,207 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 15:24:54,248 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:24:54,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:24:54,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:24:54,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:24:54,250 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:24:54,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:24:54,251 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:24:54,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:24:54,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:24:54,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:24:54,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:24:54,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:24:54,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:24:54,252 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:24:54,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:24:54,252 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:24:54,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:24:54,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:24:54,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:24:54,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:24:54,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:24:54,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:24:54,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:24:54,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:24:54,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:24:54,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:24:54,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:24:54,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:24:54,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:24:54,255 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 15:24:54,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:24:54,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:24:54,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:24:54,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:24:54,573 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:24:54,574 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2020-10-13 15:24:54,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24790e35b/7390d4533feb4610a86c081b45620696/FLAG18acc042d [2020-10-13 15:24:55,316 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:24:55,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2020-10-13 15:24:55,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24790e35b/7390d4533feb4610a86c081b45620696/FLAG18acc042d [2020-10-13 15:24:55,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24790e35b/7390d4533feb4610a86c081b45620696 [2020-10-13 15:24:55,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:24:55,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:24:55,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:24:55,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:24:55,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:24:55,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:24:55" (1/1) ... [2020-10-13 15:24:55,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43518757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:55, skipping insertion in model container [2020-10-13 15:24:55,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:24:55" (1/1) ... [2020-10-13 15:24:55,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:24:55,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:24:56,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:24:56,708 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:24:57,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:24:57,329 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:24:57,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:57 WrapperNode [2020-10-13 15:24:57,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:24:57,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:24:57,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:24:57,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:24:57,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:57" (1/1) ... [2020-10-13 15:24:57,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:57" (1/1) ... [2020-10-13 15:24:57,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:57" (1/1) ... [2020-10-13 15:24:57,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:57" (1/1) ... [2020-10-13 15:24:57,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:57" (1/1) ... [2020-10-13 15:24:57,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:57" (1/1) ... [2020-10-13 15:24:57,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:57" (1/1) ... [2020-10-13 15:24:57,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:24:57,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:24:57,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:24:57,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:24:57,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:57" (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 15:24:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:24:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:24:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-13 15:24:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-13 15:24:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-13 15:24:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-13 15:24:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-13 15:24:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-13 15:24:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-13 15:24:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-13 15:24:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-13 15:24:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-13 15:24:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-13 15:24:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-13 15:24:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-13 15:24:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-13 15:24:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-13 15:24:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-13 15:24:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-13 15:24:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-13 15:24:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-13 15:24:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-13 15:24:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-13 15:24:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-13 15:24:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-13 15:24:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-13 15:24:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-13 15:24:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-13 15:24:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-13 15:24:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-13 15:24:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-13 15:24:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-13 15:24:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-13 15:24:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-13 15:24:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-13 15:24:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-13 15:24:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-13 15:24:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-13 15:24:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:24:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-13 15:24:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-13 15:24:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-13 15:24:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-13 15:24:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-13 15:24:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-13 15:24:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-13 15:24:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-13 15:24:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-13 15:24:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-13 15:24:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-13 15:24:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-13 15:24:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-13 15:24:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-13 15:24:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-13 15:24:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-13 15:24:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-13 15:24:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-13 15:24:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-13 15:24:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-13 15:24:57,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-13 15:24:57,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-13 15:24:57,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-13 15:24:57,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-13 15:24:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-13 15:24:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-13 15:24:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-13 15:24:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-13 15:24:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-13 15:24:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-13 15:24:57,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-13 15:24:57,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-13 15:24:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-13 15:24:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-13 15:24:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-13 15:24:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-13 15:24:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-13 15:24:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-13 15:24:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-13 15:24:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-13 15:24:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-13 15:24:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-13 15:24:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-13 15:24:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-13 15:24:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-13 15:24:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:24:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-13 15:24:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-13 15:24:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-13 15:24:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-13 15:24:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-13 15:24:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-13 15:24:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-13 15:24:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 15:24:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:24:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-13 15:24:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-13 15:24:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-13 15:24:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-13 15:24:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 15:24:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-13 15:24:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-13 15:24:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-13 15:24:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-13 15:24:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-13 15:24:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-13 15:24:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-13 15:24:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-13 15:24:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-13 15:24:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-13 15:24:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-13 15:24:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-13 15:24:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-13 15:24:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-13 15:24:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-13 15:24:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-13 15:24:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-13 15:24:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-13 15:24:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-13 15:24:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-13 15:24:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-13 15:24:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-13 15:24:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-13 15:24:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-13 15:24:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-13 15:24:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-13 15:24:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-13 15:24:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-13 15:24:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-13 15:24:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-13 15:24:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-13 15:24:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-13 15:24:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-13 15:24:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-13 15:24:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-13 15:24:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-13 15:24:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-13 15:24:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-13 15:24:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-13 15:24:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-13 15:24:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-13 15:24:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-13 15:24:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-13 15:24:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-13 15:24:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-13 15:24:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-13 15:24:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-13 15:24:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-13 15:24:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-13 15:24:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-13 15:24:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-13 15:24:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-13 15:24:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-13 15:24:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-13 15:24:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-13 15:24:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-13 15:24:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-13 15:24:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-13 15:24:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-13 15:24:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-13 15:24:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-13 15:24:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-13 15:24:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-13 15:24:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-13 15:24:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-13 15:24:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-13 15:24:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-13 15:24:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-13 15:24:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-13 15:24:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-13 15:24:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-13 15:24:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 15:24:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 15:24:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-13 15:24:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-13 15:24:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-13 15:24:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-13 15:24:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:24:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:24:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 15:24:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 15:24:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:24:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 15:25:17,572 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:25:17,572 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 15:25:17,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:25:17 BoogieIcfgContainer [2020-10-13 15:25:17,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:25:17,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:25:17,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:25:17,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:25:17,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:24:55" (1/3) ... [2020-10-13 15:25:17,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0b065c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:25:17, skipping insertion in model container [2020-10-13 15:25:17,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:24:57" (2/3) ... [2020-10-13 15:25:17,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0b065c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:25:17, skipping insertion in model container [2020-10-13 15:25:17,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:25:17" (3/3) ... [2020-10-13 15:25:17,603 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-1.c [2020-10-13 15:25:17,614 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:25:17,625 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:25:17,639 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:25:17,672 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:25:17,672 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:25:17,672 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:25:17,672 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:25:17,672 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:25:17,672 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:25:17,673 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:25:17,673 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:25:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states. [2020-10-13 15:25:17,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-13 15:25:17,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:25:17,755 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 15:25:17,756 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:25:17,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:25:17,760 INFO L82 PathProgramCache]: Analyzing trace with hash -650504495, now seen corresponding path program 1 times [2020-10-13 15:25:17,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:25:17,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049022719] [2020-10-13 15:25:17,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:25:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:25:18,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:18,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:18,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:19,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:19,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:19,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:19,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:19,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:19,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:19,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:19,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:20,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:35,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:25:35,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 15:25:35,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 15:25:35,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17515 [2020-10-13 15:25:35,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:25:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:25:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-13 15:25:35,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:25:35,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:25:37,085 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-13 15:25:37,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:25:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:25:37,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:25:37,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:25:37,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:25:37,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 15:25:37,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:25:37,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:25:37,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:25:37,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:25:37,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:25:37,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 15:25:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:25:37,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:25:37,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:25:37,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:25:37,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:25:37,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:25:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:25:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:25:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:25:37,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:25:37,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 15:25:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:25:37,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:25:37,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:25:37,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:25:37,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:25:37,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:25:37,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:25:37,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:25:37,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:25:37,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:25:37,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 15:25:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:25:37,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:37,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:38,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:25:38,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 15:25:38,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 43 [2020-10-13 15:25:38,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1557 [2020-10-13 15:25:38,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:25:38,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:25:38,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-13 15:25:38,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:25:38,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:25:38,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 15:25:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:25:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:40,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:25:40,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:25:40,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:25:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1189 [2020-10-13 15:25:40,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:25:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:25:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:25:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:25:40,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:25:40,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 15:25:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:25:40,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:40,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:40,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:25:40,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 15:25:40,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:25:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 15:25:40,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:25:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:25:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 15:25:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:25:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:25:40,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:25:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:25:40,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:25:40,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:25:40,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:25:40,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:25:40,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:25:40,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:25:40,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:25:40,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:25:40,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:25:40,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:25:40,445 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 15:25:40,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049022719] [2020-10-13 15:25:40,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:25:40,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 15:25:40,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212303824] [2020-10-13 15:25:40,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 15:25:40,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:25:40,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 15:25:40,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 15:25:40,474 INFO L87 Difference]: Start difference. First operand 2589 states. Second operand 6 states. [2020-10-13 15:25:41,676 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-13 15:26:33,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:26:33,400 INFO L93 Difference]: Finished difference Result 6009 states and 9885 transitions. [2020-10-13 15:26:33,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 15:26:33,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-13 15:26:33,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:26:33,458 INFO L225 Difference]: With dead ends: 6009 [2020-10-13 15:26:33,458 INFO L226 Difference]: Without dead ends: 3430 [2020-10-13 15:26:33,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:26:33,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2020-10-13 15:26:34,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 2561. [2020-10-13 15:26:34,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2561 states. [2020-10-13 15:26:34,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3144 transitions. [2020-10-13 15:26:34,104 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3144 transitions. Word has length 163 [2020-10-13 15:26:34,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:26:34,105 INFO L479 AbstractCegarLoop]: Abstraction has 2561 states and 3144 transitions. [2020-10-13 15:26:34,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 15:26:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3144 transitions. [2020-10-13 15:26:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-13 15:26:34,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:26:34,118 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 15:26:34,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:26:34,118 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:26:34,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:26:34,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1900730907, now seen corresponding path program 1 times [2020-10-13 15:26:34,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:26:34,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187892689] [2020-10-13 15:26:34,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:26:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:26:34,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:26:35,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:00,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:19,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:19,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 15:27:19,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:27:19,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45649 [2020-10-13 15:27:19,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:27:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-13 15:27:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:27:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:27:21,380 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-13 15:27:21,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:27:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:21,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:21,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:21,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:27:21,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:21,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 15:27:21,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:21,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:21,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 15:27:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:21,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:21,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:21,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:27:21,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:27:21,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:21,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:21,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 15:27:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:21,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:21,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:21,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:27:21,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:21,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:27:21,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:21,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:21,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:27:21,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 15:27:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:21,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:22,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:22,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:25,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:27,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:27,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 15:27:27,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:27:27,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5375 [2020-10-13 15:27:27,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:27,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:27,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:27,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:27,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:27,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 15:27:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:27,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:27,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:27,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:27:27,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:27,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 575 [2020-10-13 15:27:27,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:27,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 15:27:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:27,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:27,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:27,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:27,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:27,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:27,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:28,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:28,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:28,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:28,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:28,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:29,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:29,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:32,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:32,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 15:27:32,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 15:27:32,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:27:32,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:32,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:27:32,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:27:32,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:27:32,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:32,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:27:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:32,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:32,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:32,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:27:32,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:32,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:27:32,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:32,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:32,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:27:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:32,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:32,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:32,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:27:32,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:27:32,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:32,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:27:32,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 15:27:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:32,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:32,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:32,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 15:27:32,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:27:32,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:32,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:27:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:32,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:32,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:32,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:27:32,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:27:32,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:32,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:27:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:32,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:32,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:32,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:27:32,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:32,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:27:32,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:32,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:32,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 15:27:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:32,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:32,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:32,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:27:32,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:32,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:27:32,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:32,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:32,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:32,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:32,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 15:27:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:32,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:32,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:32,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:27:32,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:32,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:27:32,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:27:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:27:32,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:32,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 15:27:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:32,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:32,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:32,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:27:32,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:32,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:27:32,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:27:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:27:32,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:33,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 15:27:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:33,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:33,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:33,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:27:33,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:33,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:27:33,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:27:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 15:27:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 15:27:33,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:33,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 15:27:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:27:33,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:27:33,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:27:33,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 15:27:33,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:27:33,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:27:33,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:27:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:27:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:27:33,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:27:33,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:27:33,344 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 15:27:33,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187892689] [2020-10-13 15:27:33,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:27:33,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 15:27:33,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632246639] [2020-10-13 15:27:33,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 15:27:33,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:27:33,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 15:27:33,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-13 15:27:33,353 INFO L87 Difference]: Start difference. First operand 2561 states and 3144 transitions. Second operand 13 states. [2020-10-13 15:27:35,035 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-13 15:27:37,769 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-13 15:27:39,538 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-13 15:27:57,561 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 495 [2020-10-13 15:28:01,572 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 499 DAG size of output: 497 [2020-10-13 15:28:03,582 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 492 [2020-10-13 15:28:14,160 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 489 [2020-10-13 15:28:18,404 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 493 DAG size of output: 491 [2020-10-13 15:28:20,550 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 486