/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/rekcba_ctm.1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:31:55,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:31:55,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:31:55,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:31:55,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:31:55,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:31:55,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:31:55,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:31:55,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:31:55,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:31:55,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:31:55,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:31:55,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:31:55,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:31:55,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:31:55,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:31:55,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:31:55,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:31:55,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:31:55,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:31:55,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:31:56,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:31:56,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:31:56,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:31:56,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:31:56,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:31:56,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:31:56,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:31:56,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:31:56,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:31:56,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:31:56,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:31:56,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:31:56,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:31:56,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:31:56,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:31:56,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:31:56,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:31:56,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:31:56,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:31:56,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:31:56,020 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 [2020-10-28 19:31:56,047 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:31:56,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:31:56,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:31:56,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:31:56,049 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:31:56,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:31:56,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:31:56,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:31:56,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:31:56,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:31:56,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:31:56,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:31:56,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:31:56,052 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:31:56,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:31:56,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:31:56,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:31:56,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:31:56,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:31:56,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:31:56,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:31:56,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:31:56,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:31:56,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:31:56,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:31:56,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:31:56,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:31:56,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:31:56,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:31:56,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:31:56,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:31:56,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:31:56,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:31:56,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:31:56,509 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:31:56,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c [2020-10-28 19:31:56,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33def04dc/c03c77d6232d45e8badcb0667f97f0ec/FLAG3cb7f403f [2020-10-28 19:31:57,684 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:31:57,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c [2020-10-28 19:31:57,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33def04dc/c03c77d6232d45e8badcb0667f97f0ec/FLAG3cb7f403f [2020-10-28 19:31:58,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33def04dc/c03c77d6232d45e8badcb0667f97f0ec [2020-10-28 19:31:58,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:31:58,141 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:31:58,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:31:58,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:31:58,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:31:58,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:31:58" (1/1) ... [2020-10-28 19:31:58,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f3e749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:31:58, skipping insertion in model container [2020-10-28 19:31:58,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:31:58" (1/1) ... [2020-10-28 19:31:58,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:31:58,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:31:59,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:31:59,833 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:32:00,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:32:00,595 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:32:00,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:00 WrapperNode [2020-10-28 19:32:00,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:32:00,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:32:00,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:32:00,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:32:00,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:00" (1/1) ... [2020-10-28 19:32:00,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:00" (1/1) ... [2020-10-28 19:32:00,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:00" (1/1) ... [2020-10-28 19:32:00,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:00" (1/1) ... [2020-10-28 19:32:01,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:00" (1/1) ... [2020-10-28 19:32:01,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:00" (1/1) ... [2020-10-28 19:32:01,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:00" (1/1) ... [2020-10-28 19:32:01,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:32:01,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:32:01,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:32:01,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:32:01,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:00" (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 [2020-10-28 19:32:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:32:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:32:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:32:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-28 19:32:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-28 19:32:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-28 19:32:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-28 19:32:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-28 19:32:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-28 19:32:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-28 19:32:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-28 19:32:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-28 19:32:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-28 19:32:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-28 19:32:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-28 19:32:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-28 19:32:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-28 19:32:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-28 19:32:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-28 19:32:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-28 19:32:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-28 19:32:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-28 19:32:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-28 19:32:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-28 19:32:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-28 19:32:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-28 19:32:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-28 19:32:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-28 19:32:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-28 19:32:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-28 19:32:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-28 19:32:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-28 19:32:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-28 19:32:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-28 19:32:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-28 19:32:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-28 19:32:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2020-10-28 19:32:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-28 19:32:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-28 19:32:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2020-10-28 19:32:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2020-10-28 19:32:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:32:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-28 19:32:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-28 19:32:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-28 19:32:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-28 19:32:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-28 19:32:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-28 19:32:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-28 19:32:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-28 19:32:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-28 19:32:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-28 19:32:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-28 19:32:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-28 19:32:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-28 19:32:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-28 19:32:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-28 19:32:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-28 19:32:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-28 19:32:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-28 19:32:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-28 19:32:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-28 19:32:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-28 19:32:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-28 19:32:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-28 19:32:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-28 19:32:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-28 19:32:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-28 19:32:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-28 19:32:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-28 19:32:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-28 19:32:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-28 19:32:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-28 19:32:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-28 19:32:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-28 19:32:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-28 19:32:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-28 19:32:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-28 19:32:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-28 19:32:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-28 19:32:01,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-28 19:32:01,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-28 19:32:01,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-28 19:32:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-28 19:32:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-28 19:32:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-28 19:32:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-28 19:32:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:32:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:32:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:32:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:32:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-28 19:32:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-28 19:32:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-28 19:32:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-28 19:32:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-28 19:32:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-28 19:32:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-28 19:32:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 19:32:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:32:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-28 19:32:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-28 19:32:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-28 19:32:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-28 19:32:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-28 19:32:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-28 19:32:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-28 19:32:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-28 19:32:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-28 19:32:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-28 19:32:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-28 19:32:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-28 19:32:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-28 19:32:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-28 19:32:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-28 19:32:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-28 19:32:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-28 19:32:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-28 19:32:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-28 19:32:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-28 19:32:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-28 19:32:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-28 19:32:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-28 19:32:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-28 19:32:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-28 19:32:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-28 19:32:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-28 19:32:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-28 19:32:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-28 19:32:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-28 19:32:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-28 19:32:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-28 19:32:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-28 19:32:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-28 19:32:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-28 19:32:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-28 19:32:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-28 19:32:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-28 19:32:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-28 19:32:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-28 19:32:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-28 19:32:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-28 19:32:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-28 19:32:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-28 19:32:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-28 19:32:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-28 19:32:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-28 19:32:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-28 19:32:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-28 19:32:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-28 19:32:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-28 19:32:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-28 19:32:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-28 19:32:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-28 19:32:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-28 19:32:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-28 19:32:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-28 19:32:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-28 19:32:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-28 19:32:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-28 19:32:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-28 19:32:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-28 19:32:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-28 19:32:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-28 19:32:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-28 19:32:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-28 19:32:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-28 19:32:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-28 19:32:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-28 19:32:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-28 19:32:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-28 19:32:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-28 19:32:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-28 19:32:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-28 19:32:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-28 19:32:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:32:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:32:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-28 19:32:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2020-10-28 19:32:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-28 19:32:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-28 19:32:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2020-10-28 19:32:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2020-10-28 19:32:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:32:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:32:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:32:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:32:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:33:39,865 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:33:39,865 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 19:33:39,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:33:39 BoogieIcfgContainer [2020-10-28 19:33:39,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:33:39,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:33:39,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:33:39,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:33:39,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:31:58" (1/3) ... [2020-10-28 19:33:39,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7436ecd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:33:39, skipping insertion in model container [2020-10-28 19:33:39,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:00" (2/3) ... [2020-10-28 19:33:39,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7436ecd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:33:39, skipping insertion in model container [2020-10-28 19:33:39,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:33:39" (3/3) ... [2020-10-28 19:33:39,885 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.1.c [2020-10-28 19:33:39,895 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:33:39,902 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:33:39,914 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:33:39,956 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:33:39,957 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:33:39,957 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:33:39,957 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:33:39,957 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:33:39,957 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:33:39,957 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:33:39,957 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:33:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 4959 states. [2020-10-28 19:33:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1958 [2020-10-28 19:33:40,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:33:40,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:33:40,242 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:33:40,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:33:40,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1724146907, now seen corresponding path program 1 times [2020-10-28 19:33:40,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:33:40,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401086544] [2020-10-28 19:33:40,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:33:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:33:41,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:41,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:41,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:41,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:42,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:42,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:42,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:42,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:42,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:42,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:42,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:43,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:43,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:43,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:43,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:43,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:43,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:43,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:43,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:43,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:43,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:44,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:44,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:44,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:44,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:44,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:49,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:33:49,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1981 [2020-10-28 19:33:49,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 19:33:49,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8185 [2020-10-28 19:33:49,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:33:49,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:33:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:33:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-28 19:33:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:33:49,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:33:51,498 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-28 19:33:51,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:33:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:33:51,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:33:51,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:33:51,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:33:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-28 19:33:51,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:33:51,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:33:51,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:33:51,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:33:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:33:51,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:33:51,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 19:33:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:33:51,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:33:51,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:33:51,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:33:51,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:33:51,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:33:51,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:33:51,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:33:51,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:33:51,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:33:51,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:33:51,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 19:33:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:33:51,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:33:51,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:33:51,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:33:51,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:33:51,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:33:51,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:33:51,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:33:51,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:33:51,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:33:51,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:33:51,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:33:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:33:51,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:51,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:52,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:52,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:52,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:52,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:52,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:52,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:52,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:52,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:52,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:53,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:53,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:53,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:53,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:53,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:53,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:53,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:54,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:54,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:54,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:54,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:54,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:55,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:33:56,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:33:56,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 687 [2020-10-28 19:33:56,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 38 [2020-10-28 19:33:56,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5099 [2020-10-28 19:33:56,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:33:56,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:33:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:33:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-28 19:33:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:33:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:33:57,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2020-10-28 19:33:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:33:57,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:34:22,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:34:22,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:34:22,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24441 [2020-10-28 19:34:22,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:34:22,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:34:22,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:34:22,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:34:22,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:34:22,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:34:22,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 759 [2020-10-28 19:34:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:34:22,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... 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[2020-10-28 19:34:25,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:25,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:25,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:26,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:27,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:27,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:27,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:34:27,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1195 [2020-10-28 19:34:27,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 83 [2020-10-28 19:34:27,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5084 [2020-10-28 19:34:27,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:34:27,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:34:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:34:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-28 19:34:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:34:27,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:34:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:34:30,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401086544] [2020-10-28 19:34:30,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:34:30,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 19:34:30,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046075145] [2020-10-28 19:34:30,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 19:34:30,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:34:30,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 19:34:30,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 19:34:30,569 INFO L87 Difference]: Start difference. First operand 4959 states. Second operand 4 states.