/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 20:35:01,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 20:35:01,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 20:35:01,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 20:35:01,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 20:35:01,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 20:35:01,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 20:35:01,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 20:35:01,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 20:35:01,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 20:35:01,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 20:35:01,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 20:35:01,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 20:35:01,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 20:35:01,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 20:35:01,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 20:35:01,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 20:35:01,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 20:35:01,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 20:35:01,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 20:35:01,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 20:35:01,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 20:35:01,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 20:35:01,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 20:35:01,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 20:35:01,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 20:35:01,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 20:35:01,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 20:35:01,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 20:35:01,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 20:35:01,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 20:35:01,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 20:35:01,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 20:35:01,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 20:35:01,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 20:35:01,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 20:35:01,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 20:35:01,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 20:35:01,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 20:35:01,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 20:35:01,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 20:35:01,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 20:35:01,455 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 20:35:01,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 20:35:01,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 20:35:01,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 20:35:01,457 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 20:35:01,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 20:35:01,457 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 20:35:01,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 20:35:01,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 20:35:01,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 20:35:01,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 20:35:01,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 20:35:01,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 20:35:01,458 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 20:35:01,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 20:35:01,459 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 20:35:01,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 20:35:01,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 20:35:01,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 20:35:01,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 20:35:01,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 20:35:01,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:35:01,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 20:35:01,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 20:35:01,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 20:35:01,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 20:35:01,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 20:35:01,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 20:35:01,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 20:35:01,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 20:35:01,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 20:35:01,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 20:35:01,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 20:35:01,817 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 20:35:01,818 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 20:35:01,819 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c [2020-10-12 20:35:01,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4181554f5/949fbc3b04f0423a97028e5e25da0767/FLAGbc015c04d [2020-10-12 20:35:02,678 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 20:35:02,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c [2020-10-12 20:35:02,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4181554f5/949fbc3b04f0423a97028e5e25da0767/FLAGbc015c04d [2020-10-12 20:35:03,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4181554f5/949fbc3b04f0423a97028e5e25da0767 [2020-10-12 20:35:03,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 20:35:03,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 20:35:03,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 20:35:03,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 20:35:03,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 20:35:03,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:35:03" (1/1) ... [2020-10-12 20:35:03,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b7e602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:03, skipping insertion in model container [2020-10-12 20:35:03,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:35:03" (1/1) ... [2020-10-12 20:35:03,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 20:35:03,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 20:35:04,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:35:04,852 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 20:35:05,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:35:05,597 INFO L208 MainTranslator]: Completed translation [2020-10-12 20:35:05,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:05 WrapperNode [2020-10-12 20:35:05,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 20:35:05,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 20:35:05,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 20:35:05,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 20:35:05,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:05" (1/1) ... [2020-10-12 20:35:05,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:05" (1/1) ... [2020-10-12 20:35:05,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:05" (1/1) ... [2020-10-12 20:35:05,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:05" (1/1) ... [2020-10-12 20:35:06,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:05" (1/1) ... [2020-10-12 20:35:06,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:05" (1/1) ... [2020-10-12 20:35:06,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:05" (1/1) ... [2020-10-12 20:35:06,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 20:35:06,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 20:35:06,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 20:35:06,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 20:35:06,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:35:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 20:35:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 20:35:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-12 20:35:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-12 20:35:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-12 20:35:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-12 20:35:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-12 20:35:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-12 20:35:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-12 20:35:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-12 20:35:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-12 20:35:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-12 20:35:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-12 20:35:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-12 20:35:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-12 20:35:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-12 20:35:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-12 20:35:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-12 20:35:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-12 20:35:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-12 20:35:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-12 20:35:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-12 20:35:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-12 20:35:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-12 20:35:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-12 20:35:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-12 20:35:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-12 20:35:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-12 20:35:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-12 20:35:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-12 20:35:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-12 20:35:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-12 20:35:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-12 20:35:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-12 20:35:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-12 20:35:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2020-10-12 20:35:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-12 20:35:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-12 20:35:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2020-10-12 20:35:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2020-10-12 20:35:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 20:35:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-12 20:35:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-12 20:35:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-12 20:35:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-12 20:35:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-12 20:35:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-12 20:35:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-12 20:35:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-12 20:35:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-12 20:35:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-12 20:35:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-12 20:35:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-12 20:35:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-12 20:35:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-12 20:35:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-12 20:35:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-12 20:35:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-12 20:35:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-12 20:35:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-12 20:35:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-12 20:35:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-12 20:35:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-12 20:35:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-12 20:35:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-12 20:35:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-12 20:35:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-12 20:35:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-12 20:35:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-12 20:35:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-12 20:35:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-12 20:35:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-12 20:35:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-12 20:35:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-12 20:35:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-12 20:35:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-12 20:35:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-12 20:35:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-12 20:35:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-12 20:35:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-12 20:35:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-12 20:35:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-12 20:35:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-12 20:35:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-12 20:35:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-12 20:35:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-12 20:35:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 20:35:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-12 20:35:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-12 20:35:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-12 20:35:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-12 20:35:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-12 20:35:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-12 20:35:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-12 20:35:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 20:35:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 20:35:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 20:35:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-12 20:35:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-12 20:35:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-12 20:35:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 20:35:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-12 20:35:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-12 20:35:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-12 20:35:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-12 20:35:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-12 20:35:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-12 20:35:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-12 20:35:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-12 20:35:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-12 20:35:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-12 20:35:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-12 20:35:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-12 20:35:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-12 20:35:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-12 20:35:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-12 20:35:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-12 20:35:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-12 20:35:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-12 20:35:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-12 20:35:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-12 20:35:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-12 20:35:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-12 20:35:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-12 20:35:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-12 20:35:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-12 20:35:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-12 20:35:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-12 20:35:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-12 20:35:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-12 20:35:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-12 20:35:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-12 20:35:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-12 20:35:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-12 20:35:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-12 20:35:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-12 20:35:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-12 20:35:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-12 20:35:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-12 20:35:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-12 20:35:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-12 20:35:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-12 20:35:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-12 20:35:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-12 20:35:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-12 20:35:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-12 20:35:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-12 20:35:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-12 20:35:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-12 20:35:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-12 20:35:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-12 20:35:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-12 20:35:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-12 20:35:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-12 20:35:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-12 20:35:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-12 20:35:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-12 20:35:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-12 20:35:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-12 20:35:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-12 20:35:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-12 20:35:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-12 20:35:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-12 20:35:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-12 20:35:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-12 20:35:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-12 20:35:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-12 20:35:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-12 20:35:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-12 20:35:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-12 20:35:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-12 20:35:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-12 20:35:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 20:35:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 20:35:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-12 20:35:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2020-10-12 20:35:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-12 20:35:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-12 20:35:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2020-10-12 20:35:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2020-10-12 20:35:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 20:35:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 20:35:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 20:35:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 20:35:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 20:35:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 20:36:46,062 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 20:36:46,063 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 20:36:46,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:36:46 BoogieIcfgContainer [2020-10-12 20:36:46,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 20:36:46,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 20:36:46,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 20:36:46,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 20:36:46,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:35:03" (1/3) ... [2020-10-12 20:36:46,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7631e955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:36:46, skipping insertion in model container [2020-10-12 20:36:46,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:35:05" (2/3) ... [2020-10-12 20:36:46,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7631e955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:36:46, skipping insertion in model container [2020-10-12 20:36:46,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:36:46" (3/3) ... [2020-10-12 20:36:46,104 INFO L109 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.1.c [2020-10-12 20:36:46,116 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 20:36:46,126 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 20:36:46,138 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 20:36:46,177 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 20:36:46,177 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 20:36:46,177 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 20:36:46,178 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 20:36:46,178 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 20:36:46,178 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 20:36:46,178 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 20:36:46,178 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 20:36:46,257 INFO L276 IsEmpty]: Start isEmpty. Operand 4955 states. [2020-10-12 20:36:46,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1957 [2020-10-12 20:36:46,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:36:46,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:36:46,403 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:36:46,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:36:46,411 INFO L82 PathProgramCache]: Analyzing trace with hash -2132136243, now seen corresponding path program 1 times [2020-10-12 20:36:46,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:36:46,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263961716] [2020-10-12 20:36:46,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:36:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:36:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:48,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:48,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:48,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:48,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:48,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:49,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:49,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:49,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:49,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:49,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:49,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:49,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:49,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:49,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:49,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:50,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:50,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:50,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:50,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:50,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:50,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:50,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:50,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:50,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:54,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:36:54,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1978 [2020-10-12 20:36:54,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-12 20:36:54,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6844 [2020-10-12 20:36:54,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:36:54,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:36:54,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 20:36:54,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:36:54,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 20:36:56,722 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 20:36:56,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:36:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:36:56,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:56,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:36:56,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:36:56,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:36:56,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-12 20:36:56,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:36:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:36:56,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:36:56,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:36:56,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:36:56,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 20:36:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:36:56,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:56,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:36:56,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:36:56,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:36:56,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 20:36:56,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:36:56,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:36:56,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:36:56,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:36:56,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:36:56,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 20:36:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:36:56,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:56,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:36:56,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:36:56,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:36:56,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:36:56,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:36:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:36:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:36:56,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:36:56,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:36:56,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 20:36:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:36:56,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:56,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:56,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:56,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:57,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:58,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:58,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:58,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:58,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:58,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:58,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:58,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:58,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:58,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:59,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:59,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:59,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:59,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:59,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:36:59,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:05,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:37:05,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 687 [2020-10-12 20:37:05,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 37 [2020-10-12 20:37:05,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8068 [2020-10-12 20:37:05,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:37:05,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:37:05,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-12 20:37:05,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:37:05,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:37:05,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2020-10-12 20:37:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:37:06,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:37:20,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:37:20,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:37:20,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14569 [2020-10-12 20:37:20,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:37:20,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:37:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 20:37:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:37:20,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:37:20,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 759 [2020-10-12 20:37:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:37:20,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:20,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:37:21,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... 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[2020-10-12 20:37:25,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:37:25,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1195 [2020-10-12 20:37:25,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 84 [2020-10-12 20:37:25,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5086 [2020-10-12 20:37:25,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:37:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:37:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-12 20:37:25,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:37:25,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:37:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 20:37:28,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263961716] [2020-10-12 20:37:28,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:37:28,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 20:37:28,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081112519] [2020-10-12 20:37:28,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 20:37:28,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:37:28,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 20:37:28,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-12 20:37:28,210 INFO L87 Difference]: Start difference. First operand 4955 states. Second operand 4 states.