/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:24:09,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:24:09,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:24:09,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:24:09,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:24:09,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:24:09,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:24:09,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:24:09,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:24:09,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:24:09,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:24:09,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:24:09,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:24:09,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:24:09,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:24:09,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:24:09,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:24:09,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:24:09,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:24:09,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:24:09,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:24:09,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:24:09,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:24:09,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:24:09,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:24:09,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:24:09,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:24:09,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:24:09,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:24:09,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:24:09,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:24:09,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:24:09,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:24:09,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:24:09,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:24:09,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:24:09,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:24:09,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:24:09,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:24:09,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:24:09,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:24:09,940 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 [2020-10-27 06:24:09,967 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:24:09,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:24:09,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:24:09,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:24:09,969 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:24:09,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:24:09,969 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:24:09,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:24:09,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:24:09,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:24:09,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:24:09,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:24:09,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:24:09,970 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:24:09,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:24:09,971 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:24:09,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:24:09,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:24:09,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:24:09,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:24:09,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:24:09,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:24:09,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:24:09,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:24:09,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:24:09,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:24:09,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:24:09,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:24:09,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:24:09,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:24:10,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:24:10,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:24:10,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:24:10,355 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:24:10,356 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:24:10,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2020-10-27 06:24:10,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b622eb29a/8bfbcc343bfa455fb77bc0ad9bcd98ec/FLAG03b7bb390 [2020-10-27 06:24:11,213 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:24:11,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2020-10-27 06:24:11,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b622eb29a/8bfbcc343bfa455fb77bc0ad9bcd98ec/FLAG03b7bb390 [2020-10-27 06:24:11,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b622eb29a/8bfbcc343bfa455fb77bc0ad9bcd98ec [2020-10-27 06:24:11,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:24:11,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:24:11,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:24:11,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:24:11,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:24:11,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:24:11" (1/1) ... [2020-10-27 06:24:11,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcf2070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:11, skipping insertion in model container [2020-10-27 06:24:11,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:24:11" (1/1) ... [2020-10-27 06:24:11,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:24:11,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:24:12,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:24:12,504 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:24:12,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:24:12,952 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:24:12,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:12 WrapperNode [2020-10-27 06:24:12,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:24:12,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:24:12,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:24:12,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:24:12,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:12" (1/1) ... [2020-10-27 06:24:12,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:12" (1/1) ... [2020-10-27 06:24:13,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:12" (1/1) ... [2020-10-27 06:24:13,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:12" (1/1) ... [2020-10-27 06:24:13,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:12" (1/1) ... [2020-10-27 06:24:13,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:12" (1/1) ... [2020-10-27 06:24:13,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:12" (1/1) ... [2020-10-27 06:24:13,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:24:13,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:24:13,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:24:13,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:24:13,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:12" (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 [2020-10-27 06:24:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:24:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:24:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:24:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 06:24:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-27 06:24:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-27 06:24:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-27 06:24:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-27 06:24:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-27 06:24:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-27 06:24:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-27 06:24:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-27 06:24:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-27 06:24:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-27 06:24:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-27 06:24:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 06:24:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-27 06:24:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-27 06:24:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-27 06:24:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-27 06:24:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-27 06:24:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-27 06:24:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-27 06:24:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-27 06:24:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-27 06:24:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-27 06:24:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-27 06:24:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-27 06:24:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-27 06:24:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-27 06:24:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-27 06:24:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-27 06:24:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-27 06:24:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-27 06:24:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-27 06:24:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-27 06:24:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-27 06:24:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-27 06:24:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-27 06:24:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:24:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-27 06:24:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-27 06:24:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-27 06:24:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-27 06:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-27 06:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-27 06:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-27 06:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-27 06:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-27 06:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-27 06:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-27 06:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-27 06:24:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-27 06:24:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-27 06:24:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-27 06:24:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-27 06:24:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-27 06:24:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-27 06:24:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-27 06:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-27 06:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-27 06:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-27 06:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-27 06:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-27 06:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-27 06:24:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-27 06:24:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-27 06:24:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-27 06:24:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-27 06:24:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-27 06:24:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-27 06:24:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-27 06:24:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-27 06:24:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-27 06:24:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-27 06:24:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-27 06:24:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-27 06:24:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-27 06:24:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-27 06:24:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-27 06:24:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-27 06:24:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-27 06:24:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-27 06:24:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-27 06:24:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-27 06:24:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:24:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:24:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:24:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:24:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-27 06:24:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-27 06:24:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-27 06:24:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-27 06:24:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-27 06:24:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-27 06:24:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-27 06:24:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 06:24:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:24:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 06:24:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-27 06:24:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-27 06:24:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-27 06:24:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 06:24:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-27 06:24:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-27 06:24:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-27 06:24:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-27 06:24:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-27 06:24:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-27 06:24:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-27 06:24:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-27 06:24:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-27 06:24:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-27 06:24:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-27 06:24:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-27 06:24:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-27 06:24:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-27 06:24:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-27 06:24:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-27 06:24:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-27 06:24:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-27 06:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-27 06:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-27 06:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-27 06:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-27 06:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-27 06:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-27 06:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-27 06:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-27 06:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-27 06:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-27 06:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-27 06:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-27 06:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-27 06:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-27 06:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-27 06:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-27 06:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-27 06:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-27 06:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-27 06:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-27 06:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-27 06:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-27 06:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-27 06:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-27 06:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-27 06:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-27 06:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-27 06:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-27 06:24:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-27 06:24:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 06:24:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-27 06:24:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-27 06:24:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-27 06:24:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-27 06:24:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-27 06:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-27 06:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-27 06:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-27 06:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-27 06:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-27 06:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-27 06:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-27 06:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-27 06:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-27 06:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-27 06:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-27 06:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-27 06:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-27 06:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-27 06:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-27 06:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-27 06:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-27 06:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-27 06:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-27 06:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-27 06:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-27 06:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:24:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:24:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:24:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:24:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:24:32,708 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:24:32,709 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 06:24:32,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:24:32 BoogieIcfgContainer [2020-10-27 06:24:32,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:24:32,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:24:32,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:24:32,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:24:32,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:24:11" (1/3) ... [2020-10-27 06:24:32,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee38d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:24:32, skipping insertion in model container [2020-10-27 06:24:32,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:24:12" (2/3) ... [2020-10-27 06:24:32,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee38d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:24:32, skipping insertion in model container [2020-10-27 06:24:32,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:24:32" (3/3) ... [2020-10-27 06:24:32,727 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-1.c [2020-10-27 06:24:32,742 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:24:32,749 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:24:32,762 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:24:32,799 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:24:32,799 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:24:32,799 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:24:32,800 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:24:32,800 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:24:32,800 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:24:32,800 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:24:32,800 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:24:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states. [2020-10-27 06:24:32,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 06:24:32,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:24:32,878 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] [2020-10-27 06:24:32,878 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:24:32,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:24:32,885 INFO L82 PathProgramCache]: Analyzing trace with hash 146327530, now seen corresponding path program 1 times [2020-10-27 06:24:32,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:24:32,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486998905] [2020-10-27 06:24:32,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:24:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:24:33,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:33,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:33,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:34,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:34,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:34,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:34,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:34,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:34,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:34,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:35,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:35,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:44,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:24:44,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-27 06:24:44,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 06:24:44,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10769 [2020-10-27 06:24:44,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:24:44,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:24:44,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:24:44,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:24:44,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:24:47,289 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-27 06:24:47,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:24:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:24:47,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:24:47,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:24:47,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:24:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-27 06:24:47,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:24:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:24:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:24:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:24:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:24:47,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 06:24:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:24:47,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:24:47,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:24:47,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:24:47,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:24:47,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:24:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:24:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:24:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:24:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:24:47,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:24:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:24:47,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:24:47,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:24:47,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:24:47,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:24:47,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:24:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:24:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:24:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:24:47,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:24:47,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:24:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:24:47,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:47,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:48,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:49,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:49,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:49,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:49,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:49,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:49,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:49,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:49,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:24:49,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-27 06:24:49,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 45 [2020-10-27 06:24:49,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1957 [2020-10-27 06:24:49,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:24:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:24:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:24:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:24:49,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:24:49,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 06:24:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:24:49,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:51,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:24:51,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:24:51,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:24:51,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1514 [2020-10-27 06:24:51,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:24:51,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:24:51,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:24:51,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:24:51,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:24:51,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 06:24:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:24:51,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:51,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:51,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:24:51,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 06:24:51,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:24:51,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:24:51,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:24:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:24:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:24:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:24:51,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:24:51,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:24:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:24:51,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:24:51,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:24:51,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:24:51,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:24:51,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:24:51,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:24:51,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:24:51,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:24:51,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:24:51,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:24:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:24:51,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486998905] [2020-10-27 06:24:51,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:24:51,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 06:24:51,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360640669] [2020-10-27 06:24:51,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 06:24:51,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:24:51,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 06:24:51,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:24:51,444 INFO L87 Difference]: Start difference. First operand 2582 states. Second operand 6 states. [2020-10-27 06:24:54,580 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-27 06:26:10,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:26:10,790 INFO L93 Difference]: Finished difference Result 5976 states and 9808 transitions. [2020-10-27 06:26:10,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 06:26:10,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2020-10-27 06:26:10,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:26:10,855 INFO L225 Difference]: With dead ends: 5976 [2020-10-27 06:26:10,858 INFO L226 Difference]: Without dead ends: 3404 [2020-10-27 06:26:10,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:26:10,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2020-10-27 06:26:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 2551. [2020-10-27 06:26:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2551 states. [2020-10-27 06:26:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 3127 transitions. [2020-10-27 06:26:11,568 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 3127 transitions. Word has length 164 [2020-10-27 06:26:11,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:26:11,569 INFO L481 AbstractCegarLoop]: Abstraction has 2551 states and 3127 transitions. [2020-10-27 06:26:11,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 06:26:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 3127 transitions. [2020-10-27 06:26:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-27 06:26:11,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:26:11,584 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, 1] [2020-10-27 06:26:11,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:26:11,584 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:26:11,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:26:11,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1421018484, now seen corresponding path program 1 times [2020-10-27 06:26:11,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:26:11,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985349390] [2020-10-27 06:26:11,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:26:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:26:11,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:26:12,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:26:12,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:26:12,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:26:38,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:05,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:05,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-27 06:27:05,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:27:05,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53868 [2020-10-27 06:27:05,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:27:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 06:27:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 06:27:05,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:09,258 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-27 06:27:09,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:27:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:09,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:09,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:09,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:27:09,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:27:09,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 06:27:09,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:09,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:27:09,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:09,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:27:09,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:09,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 06:27:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:09,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:09,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:09,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:27:09,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:27:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:27:09,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:27:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:27:09,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:09,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:27:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:09,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:09,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:09,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:27:09,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:27:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:27:09,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:27:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:27:09,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:09,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:27:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:11,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:13,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:14,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:14,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:16,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:16,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-27 06:27:16,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:27:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 06:27:16,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:27:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:27:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 06:27:16,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:16,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 06:27:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:16,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:17,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:17,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:27:17,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:27:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-10-27 06:27:17,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:27:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:27:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:27:17,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:17,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 06:27:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:17,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:17,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:17,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:17,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:17,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:17,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:18,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:22,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:22,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 06:27:22,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:27:22,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:27:22,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:27:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:27:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 06:27:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:22,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:27:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:22,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:22,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:22,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:27:22,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:27:22,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:27:22,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:22,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:27:22,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:22,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:27:22,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:22,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:27:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:22,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:22,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:22,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:22,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:27:22,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:27:22,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:27:22,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:22,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:27:22,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:22,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:27:22,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:23,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 06:27:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:23,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:23,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 06:27:23,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:27:23,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 06:27:23,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:23,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:27:23,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:23,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 06:27:23,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:23,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:27:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:23,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:23,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:27:23,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:27:23,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:27:23,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:23,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:27:23,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:23,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:27:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:23,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:27:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:23,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:23,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:27:23,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:27:23,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:27:23,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:23,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:27:23,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:23,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:27:23,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:23,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:27:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:23,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:23,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:27:23,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:27:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:27:23,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:27:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:27:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:23,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:27:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:23,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:23,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:27:23,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:27:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:27:23,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:27:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:27:23,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:23,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 06:27:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:23,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:23,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:27:23,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:27:23,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 06:27:23,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:27:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:27:23,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:23,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 06:27:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:23,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:23,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:27:23,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:27:23,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:27:23,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:23,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:27:23,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 06:27:23,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 06:27:23,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:23,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:27:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:23,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:23,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:27:23,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:27:23,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:27:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:27:23,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:27:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:27:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:27:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:27:23,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:27:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 06:27:24,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985349390] [2020-10-27 06:27:24,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:27:24,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 06:27:24,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135544899] [2020-10-27 06:27:24,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 06:27:24,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:27:24,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 06:27:24,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2020-10-27 06:27:24,085 INFO L87 Difference]: Start difference. First operand 2551 states and 3127 transitions. Second operand 21 states. [2020-10-27 06:27:27,218 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-27 06:27:32,424 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-27 06:27:39,125 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 503 [2020-10-27 06:27:42,588 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 506 [2020-10-27 06:27:48,352 WARN L193 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-27 06:27:51,751 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification that was a NOOP. DAG size: 516