/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 09:53:44,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 09:53:44,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 09:53:44,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 09:53:44,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 09:53:44,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 09:53:44,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 09:53:44,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 09:53:44,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 09:53:44,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 09:53:44,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 09:53:44,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 09:53:44,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 09:53:44,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 09:53:44,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 09:53:44,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 09:53:44,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 09:53:44,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 09:53:44,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 09:53:44,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 09:53:44,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 09:53:44,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 09:53:44,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 09:53:44,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 09:53:44,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 09:53:44,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 09:53:44,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 09:53:44,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 09:53:44,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 09:53:44,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 09:53:44,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 09:53:44,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 09:53:44,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 09:53:44,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 09:53:44,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 09:53:44,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 09:53:44,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 09:53:44,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 09:53:44,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 09:53:44,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 09:53:44,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 09:53:44,383 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 [2020-10-14 09:53:44,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 09:53:44,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 09:53:44,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 09:53:44,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 09:53:44,423 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 09:53:44,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 09:53:44,423 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 09:53:44,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 09:53:44,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 09:53:44,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 09:53:44,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 09:53:44,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 09:53:44,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 09:53:44,426 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 09:53:44,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 09:53:44,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 09:53:44,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 09:53:44,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 09:53:44,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 09:53:44,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 09:53:44,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 09:53:44,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 09:53:44,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 09:53:44,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 09:53:44,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 09:53:44,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 09:53:44,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 09:53:44,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 09:53:44,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 09:53:44,429 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 09:53:44,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 09:53:44,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 09:53:44,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 09:53:44,725 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 09:53:44,725 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 09:53:44,726 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2020-10-14 09:53:44,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d7019048/836bc6e0d13a4a92aeeb4dc6f465b2cd/FLAGdf0c79c46 [2020-10-14 09:53:45,539 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 09:53:45,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2020-10-14 09:53:45,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d7019048/836bc6e0d13a4a92aeeb4dc6f465b2cd/FLAGdf0c79c46 [2020-10-14 09:53:45,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d7019048/836bc6e0d13a4a92aeeb4dc6f465b2cd [2020-10-14 09:53:45,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 09:53:45,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 09:53:45,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 09:53:45,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 09:53:45,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 09:53:45,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:53:45" (1/1) ... [2020-10-14 09:53:45,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38567abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:45, skipping insertion in model container [2020-10-14 09:53:45,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:53:45" (1/1) ... [2020-10-14 09:53:45,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 09:53:45,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 09:53:46,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 09:53:46,784 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 09:53:47,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 09:53:47,324 INFO L208 MainTranslator]: Completed translation [2020-10-14 09:53:47,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:47 WrapperNode [2020-10-14 09:53:47,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 09:53:47,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 09:53:47,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 09:53:47,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 09:53:47,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:47" (1/1) ... [2020-10-14 09:53:47,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:47" (1/1) ... [2020-10-14 09:53:47,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:47" (1/1) ... [2020-10-14 09:53:47,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:47" (1/1) ... [2020-10-14 09:53:47,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:47" (1/1) ... [2020-10-14 09:53:47,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:47" (1/1) ... [2020-10-14 09:53:47,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:47" (1/1) ... [2020-10-14 09:53:47,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 09:53:47,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 09:53:47,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 09:53:47,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 09:53:47,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:47" (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 [2020-10-14 09:53:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 09:53:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 09:53:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-14 09:53:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-14 09:53:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-14 09:53:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-14 09:53:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-14 09:53:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-14 09:53:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-14 09:53:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-14 09:53:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-14 09:53:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-14 09:53:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-14 09:53:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-14 09:53:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-14 09:53:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-14 09:53:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-14 09:53:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-14 09:53:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-14 09:53:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-14 09:53:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-14 09:53:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-14 09:53:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-14 09:53:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-14 09:53:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-14 09:53:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-14 09:53:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-14 09:53:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-14 09:53:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-14 09:53:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-14 09:53:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-14 09:53:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-14 09:53:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-14 09:53:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-14 09:53:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-14 09:53:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-14 09:53:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-14 09:53:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-14 09:53:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 09:53:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-14 09:53:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-14 09:53:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-14 09:53:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-14 09:53:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-14 09:53:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-14 09:53:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-14 09:53:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-14 09:53:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-14 09:53:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-14 09:53:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-14 09:53:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-14 09:53:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-14 09:53:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-14 09:53:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-14 09:53:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-14 09:53:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-14 09:53:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-14 09:53:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-14 09:53:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-14 09:53:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-14 09:53:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-14 09:53:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-14 09:53:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-14 09:53:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-14 09:53:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-14 09:53:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-14 09:53:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-14 09:53:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-14 09:53:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-14 09:53:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-14 09:53:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-14 09:53:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-14 09:53:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-14 09:53:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-14 09:53:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-14 09:53:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-14 09:53:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-14 09:53:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-14 09:53:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-14 09:53:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-14 09:53:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-14 09:53:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-14 09:53:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-14 09:53:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-14 09:53:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 09:53:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-14 09:53:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-14 09:53:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-14 09:53:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-14 09:53:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-14 09:53:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-14 09:53:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-14 09:53:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 09:53:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 09:53:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 09:53:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-14 09:53:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-14 09:53:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-14 09:53:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 09:53:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-14 09:53:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-14 09:53:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-14 09:53:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-14 09:53:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-14 09:53:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-14 09:53:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-14 09:53:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-14 09:53:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-14 09:53:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-14 09:53:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-14 09:53:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-14 09:53:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-14 09:53:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-14 09:53:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-14 09:53:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-14 09:53:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-14 09:53:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-14 09:53:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-14 09:53:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-14 09:53:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-14 09:53:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-14 09:53:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-14 09:53:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-14 09:53:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-14 09:53:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-14 09:53:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-14 09:53:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-14 09:53:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-14 09:53:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-14 09:53:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-14 09:53:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-14 09:53:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-14 09:53:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-14 09:53:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-14 09:53:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-14 09:53:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-14 09:53:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-14 09:53:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-14 09:53:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-14 09:53:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-14 09:53:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-14 09:53:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-14 09:53:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-14 09:53:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-14 09:53:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-14 09:53:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-14 09:53:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-14 09:53:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-14 09:53:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-14 09:53:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-14 09:53:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-14 09:53:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-14 09:53:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-14 09:53:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-14 09:53:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-14 09:53:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-14 09:53:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-14 09:53:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-14 09:53:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-14 09:53:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-14 09:53:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-14 09:53:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-14 09:53:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-14 09:53:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-14 09:53:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-14 09:53:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-14 09:53:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-14 09:53:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-14 09:53:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-14 09:53:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-14 09:53:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 09:53:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 09:53:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-14 09:53:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-14 09:53:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-14 09:53:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-14 09:53:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 09:53:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 09:53:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 09:53:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 09:53:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 09:53:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 09:54:08,590 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 09:54:08,591 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 09:54:08,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:54:08 BoogieIcfgContainer [2020-10-14 09:54:08,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 09:54:08,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 09:54:08,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 09:54:08,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 09:54:08,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:53:45" (1/3) ... [2020-10-14 09:54:08,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ebf81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:54:08, skipping insertion in model container [2020-10-14 09:54:08,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:47" (2/3) ... [2020-10-14 09:54:08,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ebf81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:54:08, skipping insertion in model container [2020-10-14 09:54:08,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:54:08" (3/3) ... [2020-10-14 09:54:08,614 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-1.c [2020-10-14 09:54:08,625 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 09:54:08,636 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 09:54:08,652 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 09:54:08,689 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 09:54:08,689 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 09:54:08,689 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 09:54:08,690 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 09:54:08,690 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 09:54:08,690 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 09:54:08,690 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 09:54:08,690 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 09:54:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states. [2020-10-14 09:54:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-14 09:54:08,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 09:54:08,767 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] [2020-10-14 09:54:08,768 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 09:54:08,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 09:54:08,774 INFO L82 PathProgramCache]: Analyzing trace with hash -650504495, now seen corresponding path program 1 times [2020-10-14 09:54:08,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 09:54:08,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114129344] [2020-10-14 09:54:08,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 09:54:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:09,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:09,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:09,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:10,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:10,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:10,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:10,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:10,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:10,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:10,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:10,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:24,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:24,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 09:54:24,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 09:54:24,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15640 [2020-10-14 09:54:24,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:24,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 09:54:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:24,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 09:54:26,266 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-14 09:54:26,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 09:54:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:26,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:26,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:54:26,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:54:26,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 09:54:26,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:26,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:54:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:26,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:54:26,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 09:54:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:26,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:26,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:54:26,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:54:26,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 09:54:26,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:26,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:26,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:26,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:54:26,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:26,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:54:26,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 09:54:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:26,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:26,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 09:54:26,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:54:26,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 09:54:26,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:26,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:54:26,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:26,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:54:26,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 09:54:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:26,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:26,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:27,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:28,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:28,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:28,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:28,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:28,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:28,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:28,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:28,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 09:54:28,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 43 [2020-10-14 09:54:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1921 [2020-10-14 09:54:28,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:28,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-14 09:54:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:28,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:54:28,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 09:54:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:28,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:29,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:29,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:54:29,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:54:29,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 624 [2020-10-14 09:54:29,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:29,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 09:54:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:54:29,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 09:54:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:29,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:29,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:29,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:29,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 09:54:29,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:54:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 09:54:29,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:29,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 09:54:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:54:29,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 09:54:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:29,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:29,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:29,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:54:29,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:54:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 09:54:29,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:29,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:54:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:29,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:54:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 09:54:29,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [114129344] [2020-10-14 09:54:29,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 09:54:29,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 09:54:29,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491685930] [2020-10-14 09:54:29,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 09:54:29,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 09:54:29,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 09:54:29,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 09:54:29,465 INFO L87 Difference]: Start difference. First operand 2589 states. Second operand 6 states. [2020-10-14 09:54:30,646 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-14 09:55:21,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 09:55:21,398 INFO L93 Difference]: Finished difference Result 6009 states and 9885 transitions. [2020-10-14 09:55:21,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 09:55:21,401 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-14 09:55:21,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 09:55:21,462 INFO L225 Difference]: With dead ends: 6009 [2020-10-14 09:55:21,463 INFO L226 Difference]: Without dead ends: 3430 [2020-10-14 09:55:21,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-14 09:55:21,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2020-10-14 09:55:22,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 2561. [2020-10-14 09:55:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2561 states. [2020-10-14 09:55:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3144 transitions. [2020-10-14 09:55:22,126 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3144 transitions. Word has length 163 [2020-10-14 09:55:22,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 09:55:22,126 INFO L479 AbstractCegarLoop]: Abstraction has 2561 states and 3144 transitions. [2020-10-14 09:55:22,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 09:55:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3144 transitions. [2020-10-14 09:55:22,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 09:55:22,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 09:55:22,139 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] [2020-10-14 09:55:22,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 09:55:22,139 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 09:55:22,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 09:55:22,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1900730907, now seen corresponding path program 1 times [2020-10-14 09:55:22,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 09:55:22,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208292087] [2020-10-14 09:55:22,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 09:55:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:22,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:23,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:46,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:08,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:08,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-14 09:56:08,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 09:56:08,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45789 [2020-10-14 09:56:08,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:08,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 09:56:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 09:56:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 09:56:08,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:09,415 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-14 09:56:09,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 09:56:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:09,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:09,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:09,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:56:09,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:56:09,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 09:56:09,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:09,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:56:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:56:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:09,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 09:56:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:09,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:09,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:09,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:56:09,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:56:09,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 09:56:09,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:09,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:56:09,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:09,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:56:09,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:09,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 09:56:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:09,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:09,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:09,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 09:56:09,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:56:09,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 09:56:09,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:09,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:09,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:56:09,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:09,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:56:09,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:09,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 09:56:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:09,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:10,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:10,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:11,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:14,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:14,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 09:56:14,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 09:56:14,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5097 [2020-10-14 09:56:14,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:14,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:56:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:56:14,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:56:14,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 09:56:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:14,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:15,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:15,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:56:15,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:56:15,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 825 [2020-10-14 09:56:15,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:15,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:56:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:56:15,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:15,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 09:56:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:15,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:15,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:15,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:15,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:15,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:15,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:20,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 09:56:20,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 09:56:20,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 09:56:20,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:20,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:20,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 09:56:20,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 09:56:20,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 09:56:20,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 09:56:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:20,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:20,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:56:20,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:56:20,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 09:56:20,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:20,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:20,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 09:56:20,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:20,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 09:56:20,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:20,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 09:56:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:20,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:20,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:56:20,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:56:20,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 09:56:20,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:20,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:56:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 09:56:20,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:56:20,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 09:56:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:20,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:20,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 09:56:20,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 09:56:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 09:56:20,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:20,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:56:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 09:56:20,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:20,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 09:56:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:20,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:20,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:56:20,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:56:20,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 09:56:20,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:20,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:20,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:56:20,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:20,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:56:20,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:20,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 09:56:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:20,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:20,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:56:20,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:56:20,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 09:56:20,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:20,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:56:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:56:20,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:20,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 09:56:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:20,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:20,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 09:56:20,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:56:20,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 09:56:20,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:20,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:56:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:56:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:20,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 09:56:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:20,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:20,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:21,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:21,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:56:21,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:56:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 09:56:21,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:21,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:56:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 09:56:21,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:21,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 09:56:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:21,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:21,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:21,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:21,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:56:21,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:56:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 09:56:21,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:21,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:56:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:21,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 09:56:21,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:21,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 09:56:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:21,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:21,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:21,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 09:56:21,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:56:21,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 09:56:21,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:21,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 09:56:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 09:56:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 09:56:21,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 09:56:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:56:21,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:56:21,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:56:21,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 09:56:21,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:56:21,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 09:56:21,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:56:21,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:56:21,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:56:21,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:56:21,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 09:56:21,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:56:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 09:56:21,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208292087] [2020-10-14 09:56:21,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 09:56:21,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 09:56:21,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139463691] [2020-10-14 09:56:21,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 09:56:21,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 09:56:21,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 09:56:21,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 09:56:21,319 INFO L87 Difference]: Start difference. First operand 2561 states and 3144 transitions. Second operand 12 states. [2020-10-14 09:56:22,652 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-14 09:56:24,608 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-14 09:56:26,114 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-14 09:56:37,820 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 489 [2020-10-14 09:56:41,595 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 492 DAG size of output: 491 [2020-10-14 09:56:43,530 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 486 [2020-10-14 09:57:24,344 WARN L193 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 491 DAG size of output: 489