/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:30:51,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:30:51,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:30:51,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:30:51,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:30:51,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:30:51,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:30:51,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:30:51,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:30:51,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:30:51,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:30:51,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:30:51,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:30:51,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:30:51,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:30:51,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:30:51,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:30:51,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:30:51,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:30:51,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:30:51,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:30:51,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:30:51,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:30:51,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:30:51,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:30:51,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:30:51,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:30:51,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:30:51,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:30:51,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:30:51,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:30:51,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:30:51,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:30:51,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:30:51,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:30:51,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:30:51,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:30:51,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:30:51,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:30:51,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:30:51,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:30:51,476 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 [2020-10-15 04:30:51,499 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:30:51,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:30:51,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:30:51,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:30:51,501 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:30:51,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:30:51,501 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:30:51,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:30:51,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:30:51,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:30:51,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:30:51,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:30:51,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:30:51,503 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:30:51,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:30:51,503 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:30:51,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:30:51,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:30:51,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:30:51,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:30:51,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:30:51,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:30:51,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:30:51,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:30:51,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:30:51,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:30:51,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:30:51,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:30:51,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:30:51,506 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:30:51,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:30:51,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:30:51,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:30:51,848 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:30:51,850 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:30:51,851 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c [2020-10-15 04:30:51,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e90699220/c16cff35aab849d4a5f12f48d623531d/FLAG313f88ad9 [2020-10-15 04:30:52,550 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:30:52,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c [2020-10-15 04:30:52,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e90699220/c16cff35aab849d4a5f12f48d623531d/FLAG313f88ad9 [2020-10-15 04:30:52,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e90699220/c16cff35aab849d4a5f12f48d623531d [2020-10-15 04:30:52,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:30:52,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:30:52,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:30:52,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:30:52,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:30:52,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:30:52" (1/1) ... [2020-10-15 04:30:52,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23bdcc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:52, skipping insertion in model container [2020-10-15 04:30:52,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:30:52" (1/1) ... [2020-10-15 04:30:52,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:30:52,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:30:53,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:30:53,954 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:30:54,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:30:54,549 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:30:54,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:54 WrapperNode [2020-10-15 04:30:54,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:30:54,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:30:54,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:30:54,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:30:54,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:54" (1/1) ... [2020-10-15 04:30:54,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:54" (1/1) ... [2020-10-15 04:30:54,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:54" (1/1) ... [2020-10-15 04:30:54,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:54" (1/1) ... [2020-10-15 04:30:54,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:54" (1/1) ... [2020-10-15 04:30:54,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:54" (1/1) ... [2020-10-15 04:30:54,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:54" (1/1) ... [2020-10-15 04:30:54,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:30:54,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:30:54,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:30:54,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:30:54,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:30:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:30:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:30:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 04:30:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-15 04:30:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-15 04:30:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-15 04:30:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-15 04:30:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-15 04:30:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-15 04:30:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-15 04:30:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-15 04:30:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-15 04:30:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-15 04:30:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-15 04:30:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 04:30:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-15 04:30:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-15 04:30:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-15 04:30:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-15 04:30:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-15 04:30:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-15 04:30:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-15 04:30:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-15 04:30:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-15 04:30:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-15 04:30:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-15 04:30:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-15 04:30:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-15 04:30:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-15 04:30:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-15 04:30:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-15 04:30:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-15 04:30:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-15 04:30:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-15 04:30:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-15 04:30:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-15 04:30:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-15 04:30:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-15 04:30:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:30:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-15 04:30:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-15 04:30:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-15 04:30:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-15 04:30:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-15 04:30:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-15 04:30:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-15 04:30:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-15 04:30:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-15 04:30:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-15 04:30:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-15 04:30:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-15 04:30:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-15 04:30:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-15 04:30:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-15 04:30:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-15 04:30:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-15 04:30:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-15 04:30:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-15 04:30:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-15 04:30:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-15 04:30:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-15 04:30:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-15 04:30:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-15 04:30:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-15 04:30:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-15 04:30:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-15 04:30:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-15 04:30:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-15 04:30:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-15 04:30:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-15 04:30:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-15 04:30:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-15 04:30:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-15 04:30:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-15 04:30:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-15 04:30:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-15 04:30:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-15 04:30:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-15 04:30:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-15 04:30:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-15 04:30:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-15 04:30:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-15 04:30:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-15 04:30:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-15 04:30:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:30:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-15 04:30:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-15 04:30:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-15 04:30:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-15 04:30:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-15 04:30:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-15 04:30:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-15 04:30:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 04:30:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:30:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 04:30:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-15 04:30:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-15 04:30:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-15 04:30:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 04:30:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 04:30:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-15 04:30:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-15 04:30:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-15 04:30:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-15 04:30:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-15 04:30:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-15 04:30:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-15 04:30:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-15 04:30:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-15 04:30:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-15 04:30:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-15 04:30:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-15 04:30:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-15 04:30:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-15 04:30:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-15 04:30:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-15 04:30:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-15 04:30:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-15 04:30:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-15 04:30:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-15 04:30:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-15 04:30:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-15 04:30:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-15 04:30:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-15 04:30:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-15 04:30:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-15 04:30:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-15 04:30:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-15 04:30:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-15 04:30:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-15 04:30:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-15 04:30:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-15 04:30:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-15 04:30:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-15 04:30:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-15 04:30:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-15 04:30:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-15 04:30:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-15 04:30:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-15 04:30:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-15 04:30:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-15 04:30:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-15 04:30:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-15 04:30:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-15 04:30:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-15 04:30:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-15 04:30:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-15 04:30:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 04:30:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-15 04:30:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-15 04:30:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-15 04:30:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-15 04:30:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-15 04:30:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-15 04:30:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-15 04:30:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-15 04:30:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-15 04:30:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-15 04:30:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-15 04:30:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-15 04:30:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-15 04:30:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-15 04:30:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-15 04:30:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-15 04:30:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-15 04:30:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-15 04:30:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-15 04:30:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-15 04:30:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-15 04:30:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-15 04:30:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 04:30:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 04:30:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-15 04:30:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-15 04:30:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-15 04:30:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-15 04:30:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:30:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:30:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 04:30:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 04:30:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:30:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 04:31:15,927 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:31:15,928 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 04:31:15,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:31:15 BoogieIcfgContainer [2020-10-15 04:31:15,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:31:15,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:31:15,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:31:15,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:31:15,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:30:52" (1/3) ... [2020-10-15 04:31:15,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b217f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:31:15, skipping insertion in model container [2020-10-15 04:31:15,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:54" (2/3) ... [2020-10-15 04:31:15,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b217f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:31:15, skipping insertion in model container [2020-10-15 04:31:15,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:31:15" (3/3) ... [2020-10-15 04:31:15,949 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-2.c [2020-10-15 04:31:15,960 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:31:15,971 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:31:15,986 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:31:16,021 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:31:16,021 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:31:16,021 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:31:16,021 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:31:16,022 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:31:16,022 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:31:16,022 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:31:16,022 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:31:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states. [2020-10-15 04:31:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-15 04:31:16,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:31:16,103 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] [2020-10-15 04:31:16,104 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:31:16,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:31:16,111 INFO L82 PathProgramCache]: Analyzing trace with hash -650504495, now seen corresponding path program 1 times [2020-10-15 04:31:16,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:31:16,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721607151] [2020-10-15 04:31:16,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:31:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:17,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:17,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:17,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:17,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:17,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:17,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:17,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:18,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:18,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:18,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:18,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:18,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:33,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:33,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 04:31:33,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 04:31:33,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16861 [2020-10-15 04:31:33,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:33,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-15 04:31:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:33,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 04:31:34,860 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-15 04:31:34,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:31:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:34,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:34,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:34,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:31:34,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:31:34,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-15 04:31:34,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:34,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:31:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:34,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:35,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 04:31:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:35,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:35,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:31:35,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:31:35,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:31:35,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:35,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:35,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:35,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:31:35,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:35,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:35,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 04:31:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:35,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:35,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:31:35,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:31:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:31:35,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:35,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:35,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:35,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:31:35,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:35,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:35,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:31:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:35,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:35,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:36,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-15 04:31:36,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 43 [2020-10-15 04:31:36,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1763 [2020-10-15 04:31:36,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:36,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:36,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-15 04:31:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:36,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:31:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:36,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:37,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:31:37,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:31:37,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 808 [2020-10-15 04:31:37,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:37,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:37,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:31:37,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:37,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:37,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 04:31:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:37,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:37,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 04:31:37,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:31:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 04:31:37,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:37,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 04:31:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:37,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:37,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:31:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:37,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:37,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:31:37,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:31:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:31:37,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:37,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:31:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:37,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:31:37,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721607151] [2020-10-15 04:31:37,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:31:37,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 04:31:37,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799710645] [2020-10-15 04:31:37,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 04:31:37,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:31:37,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 04:31:37,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 04:31:37,941 INFO L87 Difference]: Start difference. First operand 2589 states. Second operand 6 states. [2020-10-15 04:31:39,056 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-15 04:32:29,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:32:29,910 INFO L93 Difference]: Finished difference Result 6000 states and 9851 transitions. [2020-10-15 04:32:29,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 04:32:29,913 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-15 04:32:29,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:32:29,981 INFO L225 Difference]: With dead ends: 6000 [2020-10-15 04:32:29,982 INFO L226 Difference]: Without dead ends: 3421 [2020-10-15 04:32:30,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:32:30,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3421 states. [2020-10-15 04:32:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3421 to 2561. [2020-10-15 04:32:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2561 states. [2020-10-15 04:32:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3144 transitions. [2020-10-15 04:32:30,606 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3144 transitions. Word has length 163 [2020-10-15 04:32:30,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:32:30,606 INFO L479 AbstractCegarLoop]: Abstraction has 2561 states and 3144 transitions. [2020-10-15 04:32:30,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 04:32:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3144 transitions. [2020-10-15 04:32:30,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-15 04:32:30,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:32:30,617 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] [2020-10-15 04:32:30,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:32:30,618 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:32:30,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:32:30,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1900730907, now seen corresponding path program 1 times [2020-10-15 04:32:30,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:32:30,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819686825] [2020-10-15 04:32:30,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:32:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:31,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:31,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:58,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:19,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:19,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-15 04:33:19,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:33:19,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48654 [2020-10-15 04:33:19,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:19,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:33:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-15 04:33:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 04:33:19,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:33:20,776 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-15 04:33:20,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:33:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:20,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:20,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:20,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:33:20,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:33:20,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-15 04:33:20,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:20,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:33:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:33:20,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:33:20,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 04:33:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:20,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:20,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:20,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:33:20,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:33:20,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:33:20,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:20,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:20,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:33:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:33:20,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:33:20,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 04:33:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:20,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:20,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:20,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:33:20,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:33:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:33:20,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:20,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:33:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:33:20,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:33:20,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:33:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:20,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:21,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:22,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:26,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:26,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-15 04:33:26,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:33:26,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5259 [2020-10-15 04:33:26,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:26,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:33:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 04:33:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 04:33:26,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:33:26,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:33:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:26,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:27,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:27,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:33:27,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:33:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 419 [2020-10-15 04:33:27,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:27,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:33:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:33:27,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:33:27,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 04:33:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:27,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:27,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:27,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:27,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:27,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:27,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:32,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-15 04:33:32,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:33:32,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 04:33:32,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:32,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:33:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:33:32,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 04:33:32,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:33:32,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:33:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:32,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:32,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:33:32,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:33:32,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:33:32,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:32,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:33:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:33:32,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:33:32,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:33:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:32,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:32,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:33:32,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:33:32,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 04:33:32,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:32,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:33:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:33:32,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:33:32,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:33:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:32,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:32,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 04:33:32,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:33:32,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-15 04:33:32,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:32,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:33:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:32,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 04:33:32,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:33:32,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:33:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:32,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:32,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:33:32,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:33:32,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:33:32,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:32,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:32,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:33:32,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:32,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:33:32,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:33:32,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:33:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:32,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:32,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:33:32,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:33:32,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:33:32,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:32,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:33:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:33:32,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:33:32,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 04:33:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:32,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:32,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:33:32,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:33:32,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:33:32,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:32,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:32,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:33:32,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:32,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:33:32,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:33:32,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 04:33:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:32,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:32,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:33,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:33,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:33:33,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:33:33,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 04:33:33,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:33,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:33,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:33:33,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:33,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:33:33,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:33:33,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 04:33:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:33,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:33,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:33,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:33,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:33:33,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:33:33,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 04:33:33,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:33,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:33:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:33:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:33:33,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 04:33:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:33,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:33,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:33,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 04:33:33,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:33:33,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:33:33,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:33,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:33,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:33:33,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 04:33:33,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 04:33:33,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:33:33,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:33:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:33,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:33,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:33:33,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:33:33,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:33:33,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:33:33,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:33:33,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:33:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:33:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:33:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:33:33,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:33:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 04:33:33,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819686825] [2020-10-15 04:33:33,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:33:33,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-15 04:33:33,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872135784] [2020-10-15 04:33:33,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-15 04:33:33,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:33:33,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-15 04:33:33,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-10-15 04:33:33,700 INFO L87 Difference]: Start difference. First operand 2561 states and 3144 transitions. Second operand 19 states. [2020-10-15 04:33:35,225 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-15 04:33:38,701 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-15 04:33:41,749 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-15 04:33:43,219 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-15 04:34:11,974 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 497 [2020-10-15 04:34:13,677 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-15 04:34:15,603 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-15 04:34:17,591 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-15 04:34:19,617 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-15 04:34:21,756 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-15 04:34:25,834 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 505 [2020-10-15 04:34:30,987 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-15 04:34:34,299 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-15 04:34:38,169 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 489