/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:31:06,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:31:06,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:31:07,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:31:07,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:31:07,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:31:07,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:31:07,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:31:07,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:31:07,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:31:07,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:31:07,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:31:07,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:31:07,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:31:07,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:31:07,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:31:07,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:31:07,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:31:07,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:31:07,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:31:07,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:31:07,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:31:07,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:31:07,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:31:07,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:31:07,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:31:07,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:31:07,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:31:07,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:31:07,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:31:07,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:31:07,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:31:07,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:31:07,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:31:07,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:31:07,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:31:07,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:31:07,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:31:07,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:31:07,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:31:07,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:31:07,060 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 [2020-10-15 04:31:07,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:31:07,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:31:07,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:31:07,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:31:07,085 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:31:07,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:31:07,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:31:07,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:31:07,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:31:07,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:31:07,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:31:07,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:31:07,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:31:07,087 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:31:07,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:31:07,087 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:31:07,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:31:07,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:31:07,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:31:07,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:31:07,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:31:07,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:31:07,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:31:07,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:31:07,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:31:07,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:31:07,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:31:07,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:31:07,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:31:07,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:31:07,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:31:07,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:31:07,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:31:07,442 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:31:07,442 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:31:07,443 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.4.c [2020-10-15 04:31:07,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/112185b21/1f1e213af95743a184fe2d27038b9684/FLAG7e6d7cff2 [2020-10-15 04:31:08,236 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:31:08,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.4.c [2020-10-15 04:31:08,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/112185b21/1f1e213af95743a184fe2d27038b9684/FLAG7e6d7cff2 [2020-10-15 04:31:08,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/112185b21/1f1e213af95743a184fe2d27038b9684 [2020-10-15 04:31:08,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:31:08,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:31:08,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:31:08,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:31:08,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:31:08,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:31:08" (1/1) ... [2020-10-15 04:31:08,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a758684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:08, skipping insertion in model container [2020-10-15 04:31:08,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:31:08" (1/1) ... [2020-10-15 04:31:08,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:31:08,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:31:09,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:31:09,624 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:31:09,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:31:10,125 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:31:10,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:10 WrapperNode [2020-10-15 04:31:10,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:31:10,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:31:10,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:31:10,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:31:10,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:10" (1/1) ... [2020-10-15 04:31:10,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:10" (1/1) ... [2020-10-15 04:31:10,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:10" (1/1) ... [2020-10-15 04:31:10,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:10" (1/1) ... [2020-10-15 04:31:10,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:10" (1/1) ... [2020-10-15 04:31:10,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:10" (1/1) ... [2020-10-15 04:31:10,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:10" (1/1) ... [2020-10-15 04:31:10,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:31:10,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:31:10,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:31:10,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:31:10,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:10" (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 [2020-10-15 04:31:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:31:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:31:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 04:31:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-15 04:31:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-15 04:31:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-15 04:31:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-15 04:31:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-15 04:31:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-15 04:31:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-15 04:31:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-15 04:31:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-15 04:31:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-15 04:31:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-15 04:31:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 04:31:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-15 04:31:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-15 04:31:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-15 04:31:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-15 04:31:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-15 04:31:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-15 04:31:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-15 04:31:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-15 04:31:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-15 04:31:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-15 04:31:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-15 04:31:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-15 04:31:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-15 04:31:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-15 04:31:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-15 04:31:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-15 04:31:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-15 04:31:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-15 04:31:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-15 04:31:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-15 04:31:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-15 04:31:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-15 04:31:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-15 04:31:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:31:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-15 04:31:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-15 04:31:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-15 04:31:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-15 04:31:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-15 04:31:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-15 04:31:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-15 04:31:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-15 04:31:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-15 04:31:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-15 04:31:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-15 04:31:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-15 04:31:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-15 04:31:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-15 04:31:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-15 04:31:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-15 04:31:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-15 04:31:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-15 04:31:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-15 04:31:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-15 04:31:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-15 04:31:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-15 04:31:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-15 04:31:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-15 04:31:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-15 04:31:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-15 04:31:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-15 04:31:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-15 04:31:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-15 04:31:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-15 04:31:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-15 04:31:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-15 04:31:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-15 04:31:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-15 04:31:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-15 04:31:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-15 04:31:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-15 04:31:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-15 04:31:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-15 04:31:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-15 04:31:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-15 04:31:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-15 04:31:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-15 04:31:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-15 04:31:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-15 04:31:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:31:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-15 04:31:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-15 04:31:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-15 04:31:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-15 04:31:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-15 04:31:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-15 04:31:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-15 04:31:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 04:31:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:31:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 04:31:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-15 04:31:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-15 04:31:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-15 04:31:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 04:31:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 04:31:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-15 04:31:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-15 04:31:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-15 04:31:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-15 04:31:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-15 04:31:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-15 04:31:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-15 04:31:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-15 04:31:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-15 04:31:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-15 04:31:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-15 04:31:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-15 04:31:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-15 04:31:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-15 04:31:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-15 04:31:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-15 04:31:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-15 04:31:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-15 04:31:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-15 04:31:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-15 04:31:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-15 04:31:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-15 04:31:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-15 04:31:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-15 04:31:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-15 04:31:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-15 04:31:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-15 04:31:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-15 04:31:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-15 04:31:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-15 04:31:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-15 04:31:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-15 04:31:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-15 04:31:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-15 04:31:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-15 04:31:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-15 04:31:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-15 04:31:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-15 04:31:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-15 04:31:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-15 04:31:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-15 04:31:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-15 04:31:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-15 04:31:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-15 04:31:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-15 04:31:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-15 04:31:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-15 04:31:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 04:31:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-15 04:31:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-15 04:31:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-15 04:31:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-15 04:31:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-15 04:31:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-15 04:31:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-15 04:31:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-15 04:31:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-15 04:31:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-15 04:31:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-15 04:31:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-15 04:31:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-15 04:31:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-15 04:31:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-15 04:31:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-15 04:31:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-15 04:31:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-15 04:31:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-15 04:31:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-15 04:31:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-15 04:31:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-15 04:31:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 04:31:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 04:31:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-15 04:31:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-15 04:31:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-15 04:31:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-15 04:31:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:31:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:31:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 04:31:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 04:31:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:31:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 04:31:35,170 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:31:35,170 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 04:31:35,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:31:35 BoogieIcfgContainer [2020-10-15 04:31:35,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:31:35,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:31:35,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:31:35,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:31:35,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:31:08" (1/3) ... [2020-10-15 04:31:35,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209deced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:31:35, skipping insertion in model container [2020-10-15 04:31:35,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:10" (2/3) ... [2020-10-15 04:31:35,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209deced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:31:35, skipping insertion in model container [2020-10-15 04:31:35,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:31:35" (3/3) ... [2020-10-15 04:31:35,198 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.4.c [2020-10-15 04:31:35,209 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:31:35,221 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:31:35,239 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:31:35,295 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:31:35,295 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:31:35,295 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:31:35,295 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:31:35,296 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:31:35,296 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:31:35,296 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:31:35,296 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:31:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states. [2020-10-15 04:31:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-15 04:31:35,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:31:35,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:31:35,431 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:31:35,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:31:35,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1969854118, now seen corresponding path program 1 times [2020-10-15 04:31:35,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:31:35,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73910628] [2020-10-15 04:31:35,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:31:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:36,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:36,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:37,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:38,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:45,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:45,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 04:31:45,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 04:31:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9764 [2020-10-15 04:31:45,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:45,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-15 04:31:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:45,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 04:31:47,617 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-15 04:31:47,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:31:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:47,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:47,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:31:47,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:31:47,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-15 04:31:47,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:47,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:31:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:47,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 04:31:47,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 04:31:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:47,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:47,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:31:47,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:31:47,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:31:47,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:47,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:31:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:47,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:47,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 04:31:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:47,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:47,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:31:47,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:31:47,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 04:31:47,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:47,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:31:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:47,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:31:47,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:31:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:47,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:47,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:48,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:49,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:49,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-15 04:31:49,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 44 [2020-10-15 04:31:49,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1934 [2020-10-15 04:31:49,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:49,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-15 04:31:49,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:49,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:31:49,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:31:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:50,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:51,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:51,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:31:51,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:31:51,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1395 [2020-10-15 04:31:51,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:51,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:31:51,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:51,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:51,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 04:31:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:51,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:51,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:51,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:51,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 04:31:51,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:31:51,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 04:31:51,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:51,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 04:31:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:51,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:51,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:31:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:51,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:51,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:31:51,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:31:51,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:31:51,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:31:51,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:31:51,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:31:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:31:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:31:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:31:51,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:31:51,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:31:51,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73910628] [2020-10-15 04:31:51,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:31:51,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 04:31:51,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12099579] [2020-10-15 04:31:51,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 04:31:51,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:31:51,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 04:31:51,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 04:31:51,675 INFO L87 Difference]: Start difference. First operand 2593 states. Second operand 6 states. [2020-10-15 04:31:53,080 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-15 04:33:20,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:33:20,766 INFO L93 Difference]: Finished difference Result 5986 states and 9810 transitions. [2020-10-15 04:33:20,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 04:33:20,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-15 04:33:20,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:33:20,826 INFO L225 Difference]: With dead ends: 5986 [2020-10-15 04:33:20,826 INFO L226 Difference]: Without dead ends: 3403 [2020-10-15 04:33:20,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:33:20,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2020-10-15 04:33:21,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2565. [2020-10-15 04:33:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2565 states. [2020-10-15 04:33:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3150 transitions. [2020-10-15 04:33:21,446 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3150 transitions. Word has length 163 [2020-10-15 04:33:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:33:21,447 INFO L479 AbstractCegarLoop]: Abstraction has 2565 states and 3150 transitions. [2020-10-15 04:33:21,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 04:33:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3150 transitions. [2020-10-15 04:33:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-15 04:33:21,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:33:21,456 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:33:21,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:33:21,457 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:33:21,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:33:21,458 INFO L82 PathProgramCache]: Analyzing trace with hash 724513710, now seen corresponding path program 1 times [2020-10-15 04:33:21,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:33:21,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327000543] [2020-10-15 04:33:21,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:33:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:33:22,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:22,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:33:50,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:10,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:10,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-15 04:34:10,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:34:10,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49174 [2020-10-15 04:34:10,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:10,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:34:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-15 04:34:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 04:34:10,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:34:12,752 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-15 04:34:12,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:34:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:12,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:12,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:12,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:34:12,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:12,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-15 04:34:12,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:12,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:12,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:34:12,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:12,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:34:12,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:34:12,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 04:34:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:12,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:12,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:12,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:34:12,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:12,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:34:12,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:12,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:12,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:34:12,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:12,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:34:12,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:12,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 04:34:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:12,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:12,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:12,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:34:12,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:12,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:34:12,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:12,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:12,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:34:12,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:12,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:34:12,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:12,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:34:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:12,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:14,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:18,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:18,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-15 04:34:18,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:34:18,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5420 [2020-10-15 04:34:18,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:18,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:18,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:34:18,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 04:34:18,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 04:34:18,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:19,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:34:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:19,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:19,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:19,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:34:19,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:19,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 534 [2020-10-15 04:34:19,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:19,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:19,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:34:19,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:19,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:34:19,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:19,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 04:34:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:19,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:19,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:19,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:19,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:19,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:20,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:24,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:24,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-15 04:34:24,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:34:24,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 04:34:24,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:24,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:34:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 04:34:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 04:34:24,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:34:25,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:34:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:25,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:25,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:34:25,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:25,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:34:25,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:25,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:25,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:34:25,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:25,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:34:25,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:34:25,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:34:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:25,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:25,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:34:25,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:25,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:34:25,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:25,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:25,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:34:25,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:25,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:34:25,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:25,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:34:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:25,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:25,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 04:34:25,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:34:25,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-15 04:34:25,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:25,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:25,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:34:25,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:25,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 04:34:25,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:25,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:34:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:25,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:25,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:34:25,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:25,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:34:25,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:25,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:25,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:34:25,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:25,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:34:25,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:25,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:34:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:25,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:25,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:34:25,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:25,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:34:25,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:25,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:34:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:25,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:34:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:25,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 04:34:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:25,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:25,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:34:25,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:25,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:34:25,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:25,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:25,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:34:25,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:25,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:34:25,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:25,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 04:34:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:25,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:25,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:34:25,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:34:25,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 04:34:25,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:25,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:25,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:34:25,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:25,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:34:25,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:34:25,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 04:34:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:25,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:25,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:34:25,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:34:25,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 04:34:25,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:25,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:34:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:34:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:25,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 04:34:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:25,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:25,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 04:34:25,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:34:25,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:25,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:34:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 04:34:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 04:34:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:25,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:34:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:34:25,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:34:25,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:34:25,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:34:25,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:34:25,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:34:25,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:34:25,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:34:25,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:34:25,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:34:25,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:34:25,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:34:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 04:34:25,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327000543] [2020-10-15 04:34:25,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:34:25,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 04:34:25,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932379706] [2020-10-15 04:34:25,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 04:34:25,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:34:25,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 04:34:25,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-10-15 04:34:25,989 INFO L87 Difference]: Start difference. First operand 2565 states and 3150 transitions. Second operand 18 states. [2020-10-15 04:34:27,863 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-15 04:34:33,770 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-15 04:34:36,392 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-15 04:34:38,269 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-15 04:34:43,835 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 493 [2020-10-15 04:34:45,947 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 501 [2020-10-15 04:34:48,065 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 514