/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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.3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 14:26:48,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 14:26:48,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 14:26:48,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 14:26:48,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 14:26:48,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 14:26:48,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 14:26:48,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 14:26:48,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 14:26:48,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 14:26:48,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 14:26:48,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 14:26:48,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 14:26:48,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 14:26:48,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 14:26:48,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 14:26:48,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 14:26:48,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 14:26:48,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 14:26:48,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 14:26:48,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 14:26:48,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 14:26:48,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 14:26:49,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 14:26:49,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 14:26:49,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 14:26:49,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 14:26:49,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 14:26:49,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 14:26:49,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 14:26:49,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 14:26:49,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 14:26:49,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 14:26:49,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 14:26:49,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 14:26:49,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 14:26:49,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 14:26:49,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 14:26:49,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 14:26:49,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 14:26:49,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 14:26:49,019 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 [2020-10-29 14:26:49,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 14:26:49,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 14:26:49,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 14:26:49,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 14:26:49,090 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 14:26:49,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 14:26:49,090 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 14:26:49,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 14:26:49,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 14:26:49,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 14:26:49,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 14:26:49,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 14:26:49,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 14:26:49,093 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 14:26:49,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 14:26:49,093 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 14:26:49,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 14:26:49,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 14:26:49,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 14:26:49,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 14:26:49,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 14:26:49,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:26:49,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 14:26:49,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 14:26:49,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 14:26:49,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 14:26:49,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 14:26:49,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 14:26:49,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 14:26:49,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 14:26:49,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 14:26:49,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 14:26:49,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 14:26:49,536 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 14:26:49,537 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 14:26:49,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2020-10-29 14:26:49,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7ae683ba/b5f5a6c9ecf04afe84336463e1f5035a/FLAG4f32385f0 [2020-10-29 14:26:50,453 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 14:26:50,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2020-10-29 14:26:50,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7ae683ba/b5f5a6c9ecf04afe84336463e1f5035a/FLAG4f32385f0 [2020-10-29 14:26:50,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7ae683ba/b5f5a6c9ecf04afe84336463e1f5035a [2020-10-29 14:26:50,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 14:26:50,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 14:26:50,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 14:26:50,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 14:26:50,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 14:26:50,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:26:50" (1/1) ... [2020-10-29 14:26:50,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dcf3327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:50, skipping insertion in model container [2020-10-29 14:26:50,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:26:50" (1/1) ... [2020-10-29 14:26:50,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 14:26:50,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 14:26:51,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:26:51,816 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 14:26:52,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:26:52,307 INFO L208 MainTranslator]: Completed translation [2020-10-29 14:26:52,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:52 WrapperNode [2020-10-29 14:26:52,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 14:26:52,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 14:26:52,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 14:26:52,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 14:26:52,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:52" (1/1) ... [2020-10-29 14:26:52,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:52" (1/1) ... [2020-10-29 14:26:52,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:52" (1/1) ... [2020-10-29 14:26:52,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:52" (1/1) ... [2020-10-29 14:26:52,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:52" (1/1) ... [2020-10-29 14:26:52,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:52" (1/1) ... [2020-10-29 14:26:52,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:52" (1/1) ... [2020-10-29 14:26:52,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 14:26:52,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 14:26:52,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 14:26:52,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 14:26:52,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:52" (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 [2020-10-29 14:26:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 14:26:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 14:26:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 14:26:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-29 14:26:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-29 14:26:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-29 14:26:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-29 14:26:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-29 14:26:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-29 14:26:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-29 14:26:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-29 14:26:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-29 14:26:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-29 14:26:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-29 14:26:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-29 14:26:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-29 14:26:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-29 14:26:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-29 14:26:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-29 14:26:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-29 14:26:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-29 14:26:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-29 14:26:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-29 14:26:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-29 14:26:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-29 14:26:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-29 14:26:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-29 14:26:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-29 14:26:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-29 14:26:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-29 14:26:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-29 14:26:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-29 14:26:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-29 14:26:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-29 14:26:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-29 14:26:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-29 14:26:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-29 14:26:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-29 14:26:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-29 14:26:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 14:26:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-29 14:26:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-29 14:26:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-29 14:26:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-29 14:26:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-29 14:26:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-29 14:26:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-29 14:26:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-29 14:26:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-29 14:26:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-29 14:26:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-29 14:26:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-29 14:26:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-29 14:26:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-29 14:26:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-29 14:26:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-29 14:26:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-29 14:26:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-29 14:26:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-29 14:26:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-29 14:26:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-29 14:26:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-29 14:26:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-29 14:26:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-29 14:26:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-29 14:26:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-29 14:26:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-29 14:26:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-29 14:26:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-29 14:26:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-29 14:26:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-29 14:26:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-29 14:26:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-29 14:26:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-29 14:26:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-29 14:26:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-29 14:26:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-29 14:26:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-29 14:26:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-29 14:26:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-29 14:26:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-29 14:26:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-29 14:26:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-29 14:26:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-29 14:26:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-29 14:26:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 14:26:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 14:26:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 14:26:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 14:26:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-29 14:26:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-29 14:26:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-29 14:26:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-29 14:26:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-29 14:26:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-29 14:26:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-29 14:26:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 14:26:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 14:26:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-29 14:26:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-29 14:26:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-29 14:26:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-29 14:26:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-29 14:26:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-29 14:26:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-29 14:26:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-29 14:26:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-29 14:26:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-29 14:26:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-29 14:26:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-29 14:26:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-29 14:26:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-29 14:26:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-29 14:26:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-29 14:26:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-29 14:26:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-29 14:26:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-29 14:26:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-29 14:26:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-29 14:26:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-29 14:26:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-29 14:26:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-29 14:26:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-29 14:26:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-29 14:26:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-29 14:26:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-29 14:26:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-29 14:26:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-29 14:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-29 14:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-29 14:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-29 14:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-29 14:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-29 14:26:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-29 14:26:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-29 14:26:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-29 14:26:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-29 14:26:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-29 14:26:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-29 14:26:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-29 14:26:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-29 14:26:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-29 14:26:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-29 14:26:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-29 14:26:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-29 14:26:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-29 14:26:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-29 14:26:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-29 14:26:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-29 14:26:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-29 14:26:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-29 14:26:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-29 14:26:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-29 14:26:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-29 14:26:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-29 14:26:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-29 14:26:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-29 14:26:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-29 14:26:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-29 14:26:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-29 14:26:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-29 14:26:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-29 14:26:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-29 14:26:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-29 14:26:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-29 14:26:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-29 14:26:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-29 14:26:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-29 14:26:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-29 14:26:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-29 14:26:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-29 14:26:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-29 14:26:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-29 14:26:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 14:26:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 14:26:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-29 14:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-29 14:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-29 14:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-29 14:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 14:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 14:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 14:26:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 14:26:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 14:27:14,366 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 14:27:14,366 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-29 14:27:14,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:27:14 BoogieIcfgContainer [2020-10-29 14:27:14,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 14:27:14,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 14:27:14,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 14:27:14,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 14:27:14,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:26:50" (1/3) ... [2020-10-29 14:27:14,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3296e2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:27:14, skipping insertion in model container [2020-10-29 14:27:14,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:26:52" (2/3) ... [2020-10-29 14:27:14,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3296e2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:27:14, skipping insertion in model container [2020-10-29 14:27:14,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:27:14" (3/3) ... [2020-10-29 14:27:14,387 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-1.c [2020-10-29 14:27:14,400 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 14:27:14,407 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 14:27:14,420 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 14:27:14,463 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 14:27:14,463 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 14:27:14,464 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 14:27:14,464 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 14:27:14,464 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 14:27:14,464 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 14:27:14,464 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 14:27:14,464 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 14:27:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states. [2020-10-29 14:27:14,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-29 14:27:14,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:27:14,555 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] [2020-10-29 14:27:14,556 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:27:14,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:27:14,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1040695822, now seen corresponding path program 1 times [2020-10-29 14:27:14,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:27:14,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628780543] [2020-10-29 14:27:14,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:27:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:27:15,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:15,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:15,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:15,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:15,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:16,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:16,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:16,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:16,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:16,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:16,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:16,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:17,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:23,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:27:23,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-29 14:27:23,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 14:27:23,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8495 [2020-10-29 14:27:23,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:27:23,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:27:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:27:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-29 14:27:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:27:23,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:27:25,492 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-29 14:27:25,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:27:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:27:25,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:27:25,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:27:25,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:27:25,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-29 14:27:25,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:27:25,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:27:25,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:27:25,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:27:25,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:27:25,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:27:25,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 14:27:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:27:25,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:27:25,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:27:25,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:27:25,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:27:25,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:27:25,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:27:25,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:27:25,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:27:25,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:27:25,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:27:25,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 14:27:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:27:25,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:27:25,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:27:25,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:27:25,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:27:25,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:27:25,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:27:25,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:27:25,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:27:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:27:25,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:27:25,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 14:27:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:27:25,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:25,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:26,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:27,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:27:28,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 14:27:28,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 44 [2020-10-29 14:27:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2253 [2020-10-29 14:27:28,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:27:28,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:27:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:27:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-29 14:27:28,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:27:28,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:27:28,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 14:27:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:27:28,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:29,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:27:29,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:27:29,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:27:29,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 868 [2020-10-29 14:27:29,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:27:29,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:27:29,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:27:29,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:27:29,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:27:29,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:27:29,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 14:27:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:27:29,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:29,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:29,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:27:29,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 14:27:29,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:27:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 14:27:29,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:27:29,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:27:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:27:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 14:27:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:27:29,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:27:29,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:27:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:27:29,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:27:29,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:27:29,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 14:27:29,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:27:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:27:29,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:27:29,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:27:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:27:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:27:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:27:29,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:27:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:27:29,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628780543] [2020-10-29 14:27:29,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:27:29,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 14:27:29,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351653729] [2020-10-29 14:27:29,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 14:27:29,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:27:29,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 14:27:29,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 14:27:29,346 INFO L87 Difference]: Start difference. First operand 2593 states. Second operand 6 states. [2020-10-29 14:27:31,101 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-29 14:28:55,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:28:55,767 INFO L93 Difference]: Finished difference Result 6014 states and 9891 transitions. [2020-10-29 14:28:55,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 14:28:55,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2020-10-29 14:28:55,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:28:55,830 INFO L225 Difference]: With dead ends: 6014 [2020-10-29 14:28:55,831 INFO L226 Difference]: Without dead ends: 3431 [2020-10-29 14:28:55,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:28:55,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2020-10-29 14:28:56,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 2562. [2020-10-29 14:28:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2562 states. [2020-10-29 14:28:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3145 transitions. [2020-10-29 14:28:56,504 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3145 transitions. Word has length 164 [2020-10-29 14:28:56,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:28:56,505 INFO L481 AbstractCegarLoop]: Abstraction has 2562 states and 3145 transitions. [2020-10-29 14:28:56,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 14:28:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3145 transitions. [2020-10-29 14:28:56,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-29 14:28:56,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:28:56,520 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] [2020-10-29 14:28:56,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 14:28:56,520 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:28:56,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:28:56,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1910384005, now seen corresponding path program 1 times [2020-10-29 14:28:56,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:28:56,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584548174] [2020-10-29 14:28:56,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:28:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:28:56,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:28:57,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:28:57,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:28:57,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:29:24,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:10,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:10,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-29 14:30:10,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:30:10,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73330 [2020-10-29 14:30:10,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:10,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:30:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-29 14:30:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 14:30:10,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:30:11,911 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-29 14:30:11,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:30:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:11,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:12,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:12,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:30:12,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:30:12,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-29 14:30:12,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:12,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:12,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:30:12,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:12,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:30:12,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:30:12,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 14:30:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:12,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:12,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:12,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:30:12,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:30:12,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:30:12,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:12,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:30:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:30:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:30:12,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 14:30:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:12,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:12,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:12,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:30:12,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:30:12,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:30:12,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:12,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:30:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:30:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:30:12,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 14:30:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:12,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:12,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:14,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:18,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:18,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 14:30:18,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:30:18,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5903 [2020-10-29 14:30:18,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:18,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:30:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 14:30:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 14:30:18,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:30:18,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 14:30:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:18,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:20,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:20,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:30:20,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:30:20,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1908 [2020-10-29 14:30:20,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:20,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:30:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:30:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:30:20,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 14:30:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:21,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:21,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:21,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:21,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:21,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:21,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:26,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 14:30:26,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:30:26,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 14:30:26,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:26,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:30:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 14:30:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 14:30:26,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:30:26,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:30:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:26,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:26,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 14:30:26,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:30:26,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 14:30:26,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:26,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:26,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 14:30:26,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:26,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:30:26,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:30:26,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:30:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:26,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:26,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 14:30:26,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:30:26,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 14:30:26,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:26,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:26,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:30:26,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:26,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 14:30:26,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:30:26,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:30:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:26,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:26,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 14:30:26,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:30:26,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-29 14:30:26,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:26,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:30:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 14:30:26,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:30:26,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:30:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:26,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:26,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 14:30:26,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:30:26,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:30:26,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:26,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:26,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:30:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:30:26,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:30:26,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:30:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:26,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:26,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 14:30:26,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:30:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:30:26,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:26,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:26,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:30:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:30:26,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:30:26,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 14:30:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:26,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:26,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:30:26,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:30:26,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:30:26,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:26,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:30:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:26,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:30:26,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:30:26,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 14:30:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:26,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:26,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 14:30:26,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:30:26,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 14:30:26,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:26,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:30:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 14:30:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:30:26,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 14:30:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:26,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:26,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 14:30:26,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:30:26,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 14:30:26,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:26,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:26,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:30:26,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:26,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 14:30:26,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:30:26,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:30:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:26,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:26,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:26,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:30:26,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:30:26,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:30:26,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:26,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:26,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 14:30:26,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 14:30:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:30:26,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:30:27,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:30:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:30:27,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:30:27,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:30:27,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:30:27,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:30:27,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:30:27,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:30:27,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:30:27,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:30:27,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:30:27,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:30:27,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:30:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 14:30:27,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584548174] [2020-10-29 14:30:27,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:30:27,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-29 14:30:27,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637983582] [2020-10-29 14:30:27,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-29 14:30:27,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:30:27,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-29 14:30:27,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-10-29 14:30:27,536 INFO L87 Difference]: Start difference. First operand 2562 states and 3145 transitions. Second operand 19 states. [2020-10-29 14:30:29,451 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 502