/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=BIGGEST --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.1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 20:43:04,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 20:43:04,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 20:43:04,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 20:43:04,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 20:43:04,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 20:43:04,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 20:43:04,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 20:43:04,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 20:43:04,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 20:43:04,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 20:43:04,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 20:43:04,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 20:43:04,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 20:43:04,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 20:43:04,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 20:43:04,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 20:43:04,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 20:43:04,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 20:43:04,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 20:43:04,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 20:43:04,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 20:43:04,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 20:43:04,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 20:43:04,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 20:43:04,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 20:43:04,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 20:43:04,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 20:43:04,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 20:43:04,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 20:43:04,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 20:43:04,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 20:43:04,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 20:43:04,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 20:43:04,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 20:43:04,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 20:43:04,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 20:43:04,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 20:43:04,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 20:43:04,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 20:43:04,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 20:43:04,485 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 [2020-10-12 20:43:04,529 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 20:43:04,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 20:43:04,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 20:43:04,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 20:43:04,532 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 20:43:04,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 20:43:04,532 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 20:43:04,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 20:43:04,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 20:43:04,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 20:43:04,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 20:43:04,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 20:43:04,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 20:43:04,535 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 20:43:04,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 20:43:04,535 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 20:43:04,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 20:43:04,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 20:43:04,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 20:43:04,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 20:43:04,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 20:43:04,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:43:04,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 20:43:04,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 20:43:04,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 20:43:04,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 20:43:04,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 20:43:04,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 20:43:04,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 20:43:04,538 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 20:43:04,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 20:43:04,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 20:43:04,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 20:43:04,869 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 20:43:04,870 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 20:43:04,870 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c [2020-10-12 20:43:04,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/769966bf0/1d0860d515a741a1aed592b63445ead0/FLAG24e48ad1b [2020-10-12 20:43:05,617 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 20:43:05,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c [2020-10-12 20:43:05,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/769966bf0/1d0860d515a741a1aed592b63445ead0/FLAG24e48ad1b [2020-10-12 20:43:05,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/769966bf0/1d0860d515a741a1aed592b63445ead0 [2020-10-12 20:43:05,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 20:43:05,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 20:43:05,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 20:43:05,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 20:43:05,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 20:43:05,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:43:05" (1/1) ... [2020-10-12 20:43:05,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10558b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:05, skipping insertion in model container [2020-10-12 20:43:05,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:43:05" (1/1) ... [2020-10-12 20:43:05,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 20:43:05,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 20:43:06,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:43:06,917 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 20:43:07,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:43:07,509 INFO L208 MainTranslator]: Completed translation [2020-10-12 20:43:07,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:07 WrapperNode [2020-10-12 20:43:07,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 20:43:07,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 20:43:07,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 20:43:07,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 20:43:07,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:07" (1/1) ... [2020-10-12 20:43:07,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:07" (1/1) ... [2020-10-12 20:43:07,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:07" (1/1) ... [2020-10-12 20:43:07,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:07" (1/1) ... [2020-10-12 20:43:07,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:07" (1/1) ... [2020-10-12 20:43:07,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:07" (1/1) ... [2020-10-12 20:43:07,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:07" (1/1) ... [2020-10-12 20:43:07,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 20:43:07,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 20:43:07,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 20:43:07,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 20:43:07,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:07" (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 [2020-10-12 20:43:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 20:43:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 20:43:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-12 20:43:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-12 20:43:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-12 20:43:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-12 20:43:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-12 20:43:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-12 20:43:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-12 20:43:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-12 20:43:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-12 20:43:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-12 20:43:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-12 20:43:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-12 20:43:07,984 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-12 20:43:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-12 20:43:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-12 20:43:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-12 20:43:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-12 20:43:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-12 20:43:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-12 20:43:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-12 20:43:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-12 20:43:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-12 20:43:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-12 20:43:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-12 20:43:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-12 20:43:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-12 20:43:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-12 20:43:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-12 20:43:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-12 20:43:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-12 20:43:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-12 20:43:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-12 20:43:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-12 20:43:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-12 20:43:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-12 20:43:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-12 20:43:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 20:43:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-12 20:43:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-12 20:43:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-12 20:43:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-12 20:43:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-12 20:43:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-12 20:43:07,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-12 20:43:07,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-12 20:43:07,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-12 20:43:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-12 20:43:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-12 20:43:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-12 20:43:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-12 20:43:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-12 20:43:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-12 20:43:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-12 20:43:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-12 20:43:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-12 20:43:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-12 20:43:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-12 20:43:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-12 20:43:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-12 20:43:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-12 20:43:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-12 20:43:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-12 20:43:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-12 20:43:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-12 20:43:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-12 20:43:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-12 20:43:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-12 20:43:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-12 20:43:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-12 20:43:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-12 20:43:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-12 20:43:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-12 20:43:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-12 20:43:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-12 20:43:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-12 20:43:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-12 20:43:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-12 20:43:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-12 20:43:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-12 20:43:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-12 20:43:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-12 20:43:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-12 20:43:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 20:43:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-12 20:43:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-12 20:43:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-12 20:43:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-12 20:43:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-12 20:43:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-12 20:43:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-12 20:43:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 20:43:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 20:43:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 20:43:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-12 20:43:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-12 20:43:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-12 20:43:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 20:43:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-12 20:43:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-12 20:43:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-12 20:43:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-12 20:43:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-12 20:43:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-12 20:43:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-12 20:43:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-12 20:43:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-12 20:43:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-12 20:43:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-12 20:43:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-12 20:43:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-12 20:43:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-12 20:43:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-12 20:43:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-12 20:43:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-12 20:43:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-12 20:43:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-12 20:43:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-12 20:43:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-12 20:43:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-12 20:43:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-12 20:43:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-12 20:43:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-12 20:43:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-12 20:43:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-12 20:43:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-12 20:43:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-12 20:43:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-12 20:43:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-12 20:43:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-12 20:43:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-12 20:43:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-12 20:43:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-12 20:43:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-12 20:43:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-12 20:43:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-12 20:43:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-12 20:43:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-12 20:43:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-12 20:43:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-12 20:43:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-12 20:43:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-12 20:43:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-12 20:43:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-12 20:43:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-12 20:43:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-12 20:43:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-12 20:43:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-12 20:43:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-12 20:43:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-12 20:43:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-12 20:43:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-12 20:43:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-12 20:43:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-12 20:43:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-12 20:43:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-12 20:43:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-12 20:43:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-12 20:43:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-12 20:43:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-12 20:43:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-12 20:43:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-12 20:43:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-12 20:43:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-12 20:43:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-12 20:43:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-12 20:43:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-12 20:43:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-12 20:43:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-12 20:43:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 20:43:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 20:43:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-12 20:43:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-12 20:43:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-12 20:43:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-12 20:43:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 20:43:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 20:43:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 20:43:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 20:43:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 20:43:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 20:43:24,357 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 20:43:24,357 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 20:43:24,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:43:24 BoogieIcfgContainer [2020-10-12 20:43:24,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 20:43:24,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 20:43:24,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 20:43:24,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 20:43:24,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:43:05" (1/3) ... [2020-10-12 20:43:24,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ff35d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:43:24, skipping insertion in model container [2020-10-12 20:43:24,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:07" (2/3) ... [2020-10-12 20:43:24,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ff35d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:43:24, skipping insertion in model container [2020-10-12 20:43:24,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:43:24" (3/3) ... [2020-10-12 20:43:24,387 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.1.c [2020-10-12 20:43:24,399 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 20:43:24,414 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 20:43:24,427 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 20:43:24,459 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 20:43:24,460 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 20:43:24,460 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 20:43:24,460 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 20:43:24,460 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 20:43:24,460 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 20:43:24,460 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 20:43:24,460 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 20:43:24,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states. [2020-10-12 20:43:24,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 20:43:24,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:43:24,539 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] [2020-10-12 20:43:24,540 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:43:24,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:43:24,546 INFO L82 PathProgramCache]: Analyzing trace with hash -954162422, now seen corresponding path program 1 times [2020-10-12 20:43:24,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:43:24,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234765072] [2020-10-12 20:43:24,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:43:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:25,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:25,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:25,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:25,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:26,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:26,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:26,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:26,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:26,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:26,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:26,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:27,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:27,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:35,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:35,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 20:43:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 20:43:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10097 [2020-10-12 20:43:35,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 20:43:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:35,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 20:43:36,808 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-12 20:43:36,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:43:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:36,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:36,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:36,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:43:36,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:43:36,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-12 20:43:36,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:43:36,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:36,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:43:37,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 20:43:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:37,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:37,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:43:37,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:43:37,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 20:43:37,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:37,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:37,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:43:37,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:37,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:43:37,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 20:43:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:37,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:37,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:43:37,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:43:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:43:37,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:37,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:37,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:43:37,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:37,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:43:37,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 20:43:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:37,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:39,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:39,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-12 20:43:39,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 43 [2020-10-12 20:43:39,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1857 [2020-10-12 20:43:39,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:39,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 20:43:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:39,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:43:39,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 20:43:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:39,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:40,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:40,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:43:40,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:43:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1058 [2020-10-12 20:43:40,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 20:43:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:43:40,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 20:43:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:40,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:40,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:40,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:40,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 20:43:40,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:43:40,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 20:43:40,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:40,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 20:43:40,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:40,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:43:40,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 20:43:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:40,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:40,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:40,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:43:40,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:43:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 20:43:40,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:43:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:40,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:43:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 20:43:40,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234765072] [2020-10-12 20:43:40,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:43:40,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 20:43:40,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392041537] [2020-10-12 20:43:40,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 20:43:40,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:43:40,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 20:43:40,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 20:43:40,429 INFO L87 Difference]: Start difference. First operand 2588 states. Second operand 6 states. [2020-10-12 20:43:41,652 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-12 20:44:32,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:44:32,242 INFO L93 Difference]: Finished difference Result 6021 states and 9911 transitions. [2020-10-12 20:44:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 20:44:32,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-12 20:44:32,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:44:32,303 INFO L225 Difference]: With dead ends: 6021 [2020-10-12 20:44:32,303 INFO L226 Difference]: Without dead ends: 3443 [2020-10-12 20:44:32,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-12 20:44:32,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2020-10-12 20:44:32,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 2560. [2020-10-12 20:44:32,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2560 states. [2020-10-12 20:44:32,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3143 transitions. [2020-10-12 20:44:32,871 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3143 transitions. Word has length 163 [2020-10-12 20:44:32,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:44:32,872 INFO L479 AbstractCegarLoop]: Abstraction has 2560 states and 3143 transitions. [2020-10-12 20:44:32,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 20:44:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3143 transitions. [2020-10-12 20:44:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-12 20:44:32,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:44:32,887 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] [2020-10-12 20:44:32,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 20:44:32,888 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:44:32,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:44:32,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1843100593, now seen corresponding path program 1 times [2020-10-12 20:44:32,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:44:32,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [598262454] [2020-10-12 20:44:32,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:44:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:44:33,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:33,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:01,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:21,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:21,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-12 20:45:21,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:45:21,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48624 [2020-10-12 20:45:21,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 20:45:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-12 20:45:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-12 20:45:21,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:23,680 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-12 20:45:23,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:45:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:23,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:23,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:23,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:45:23,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:23,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-12 20:45:23,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:23,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:23,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:23,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:23,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 20:45:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:23,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:23,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:23,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:45:23,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:23,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 20:45:23,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:23,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:23,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:23,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:23,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 20:45:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:23,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:23,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:23,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:45:23,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:23,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:45:23,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:23,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:23,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 20:45:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:24,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:25,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:26,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:29,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:29,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-12 20:45:29,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:45:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5109 [2020-10-12 20:45:29,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 20:45:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 20:45:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 20:45:29,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:32,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 20:45:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:32,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:33,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:33,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:45:33,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:33,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 567 [2020-10-12 20:45:33,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 20:45:33,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:33,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:33,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 20:45:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:33,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:33,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:33,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:33,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:33,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:33,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:34,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-12 20:45:38,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 20:45:38,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 20:45:38,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 20:45:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 20:45:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 20:45:38,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:38,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 20:45:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:38,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:38,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 20:45:38,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:38,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:38,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:38,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:38,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 20:45:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:38,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:38,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:38,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 20:45:38,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:38,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:38,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 20:45:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:38,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 20:45:38,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:38,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 20:45:38,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:38,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 20:45:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:38,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:38,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:38,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 20:45:38,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:38,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:38,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 20:45:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:38,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:38,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:38,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 20:45:38,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:38,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:38,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:38,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 20:45:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:38,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:45:38,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:45:38,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:38,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:38,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 20:45:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:38,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:38,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:38,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 20:45:38,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:38,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:38,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 20:45:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:38,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:38,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:38,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 20:45:38,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:45:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:45:38,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:38,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 20:45:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:38,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 20:45:38,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:38,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 20:45:38,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:45:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 20:45:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 20:45:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:38,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 20:45:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:38,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:38,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:38,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 20:45:38,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:38,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 20:45:38,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:38,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:45:38,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:38,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 20:45:38,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 20:45:39,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [598262454] [2020-10-12 20:45:39,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:45:39,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 20:45:39,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236469635] [2020-10-12 20:45:39,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 20:45:39,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:45:39,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 20:45:39,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=263, Unknown=1, NotChecked=0, Total=306 [2020-10-12 20:45:39,107 INFO L87 Difference]: Start difference. First operand 2560 states and 3143 transitions. Second operand 18 states. [2020-10-12 20:45:40,357 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-12 20:45:45,427 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-10-12 20:45:49,463 WARN L193 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 537 DAG size of output: 530 [2020-10-12 20:45:53,044 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-12 20:45:54,617 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-12 20:46:16,183 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 497 [2020-10-12 20:46:17,972 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 501 [2020-10-12 20:46:20,101 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-12 20:46:27,548 WARN L193 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 528 DAG size of output: 521 [2020-10-12 20:46:33,579 WARN L193 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 542 DAG size of output: 535 [2020-10-12 20:46:39,365 WARN L193 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 535 DAG size of output: 528