/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 SingleStatement --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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:29:31,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:29:31,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:29:31,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:29:31,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:29:31,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:29:31,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:29:31,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:29:31,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:29:31,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:29:31,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:29:31,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:29:31,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:29:31,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:29:31,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:29:31,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:29:31,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:29:31,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:29:31,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:29:31,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:29:31,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:29:31,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:29:31,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:29:31,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:29:31,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:29:31,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:29:31,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:29:31,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:29:31,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:29:31,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:29:31,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:29:31,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:29:31,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:29:31,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:29:31,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:29:31,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:29:31,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:29:31,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:29:31,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:29:31,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:29:31,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:29:31,690 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 [2020-09-25 03:29:31,723 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:29:31,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:29:31,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:29:31,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:29:31,726 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:29:31,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:29:31,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:29:31,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:29:31,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:29:31,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:29:31,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:29:31,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:29:31,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:29:31,728 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:29:31,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:29:31,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:29:31,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:29:31,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:29:31,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:29:31,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:29:31,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:29:31,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:29:31,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:29:31,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:29:31,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:29:31,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:29:31,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:29:31,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:29:31,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:29:31,731 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 -> SingleStatement 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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=true; [2020-09-25 03:29:32,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:29:32,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:29:32,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:29:32,239 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:29:32,240 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:29:32,241 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-09-25 03:29:32,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/642766b83/4127eb0a903240a6861a4975ae2a8b9d/FLAGb4f30d164 [2020-09-25 03:29:32,990 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:29:32,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-09-25 03:29:33,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/642766b83/4127eb0a903240a6861a4975ae2a8b9d/FLAGb4f30d164 [2020-09-25 03:29:33,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/642766b83/4127eb0a903240a6861a4975ae2a8b9d [2020-09-25 03:29:33,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:29:33,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:29:33,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:29:33,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:29:33,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:29:33,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:29:33" (1/1) ... [2020-09-25 03:29:33,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfafcce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:33, skipping insertion in model container [2020-09-25 03:29:33,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:29:33" (1/1) ... [2020-09-25 03:29:33,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:29:33,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:29:33,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:29:33,905 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:29:34,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:29:34,058 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:29:34,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:34 WrapperNode [2020-09-25 03:29:34,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:29:34,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:29:34,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:29:34,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:29:34,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:34" (1/1) ... [2020-09-25 03:29:34,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:34" (1/1) ... [2020-09-25 03:29:34,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:34" (1/1) ... [2020-09-25 03:29:34,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:34" (1/1) ... [2020-09-25 03:29:34,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:34" (1/1) ... [2020-09-25 03:29:34,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:34" (1/1) ... [2020-09-25 03:29:34,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:34" (1/1) ... [2020-09-25 03:29:34,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:29:34,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:29:34,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:29:34,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:29:34,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:34" (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 [2020-09-25 03:29:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:29:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:29:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 03:29:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-09-25 03:29:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-09-25 03:29:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-09-25 03:29:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-09-25 03:29:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-09-25 03:29:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-09-25 03:29:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-09-25 03:29:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-09-25 03:29:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-09-25 03:29:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-09-25 03:29:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-09-25 03:29:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-09-25 03:29:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-09-25 03:29:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-09-25 03:29:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-09-25 03:29:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:29:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-09-25 03:29:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:29:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 03:29:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 03:29:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-09-25 03:29:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-09-25 03:29:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-09-25 03:29:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:29:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 03:29:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-09-25 03:29:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-09-25 03:29:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-09-25 03:29:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-09-25 03:29:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-09-25 03:29:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-09-25 03:29:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-09-25 03:29:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-09-25 03:29:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-09-25 03:29:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-09-25 03:29:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-09-25 03:29:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-09-25 03:29:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-09-25 03:29:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-09-25 03:29:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-09-25 03:29:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:29:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:29:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:29:35,294 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:29:35,294 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 03:29:35,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:29:35 BoogieIcfgContainer [2020-09-25 03:29:35,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:29:35,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:29:35,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:29:35,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:29:35,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:29:33" (1/3) ... [2020-09-25 03:29:35,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b5c037b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:29:35, skipping insertion in model container [2020-09-25 03:29:35,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:34" (2/3) ... [2020-09-25 03:29:35,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b5c037b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:29:35, skipping insertion in model container [2020-09-25 03:29:35,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:29:35" (3/3) ... [2020-09-25 03:29:35,315 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-09-25 03:29:35,328 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:29:35,339 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:29:35,362 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:29:35,397 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:29:35,398 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:29:35,398 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:29:35,398 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:29:35,398 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:29:35,398 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:29:35,398 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:29:35,398 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:29:35,432 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states. [2020-09-25 03:29:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 03:29:35,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:29:35,470 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] [2020-09-25 03:29:35,471 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:29:35,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:29:35,480 INFO L82 PathProgramCache]: Analyzing trace with hash -182402980, now seen corresponding path program 1 times [2020-09-25 03:29:35,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:29:35,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087722413] [2020-09-25 03:29:35,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:29:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:35,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:36,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:36,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:36,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:36,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:37,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:37,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:37,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:39,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:39,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 03:29:39,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 03:29:39,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4186 [2020-09-25 03:29:39,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:39,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:29:39,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-09-25 03:29:39,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 03:29:39,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:29:40,300 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 03:29:40,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:29:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:40,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:40,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 03:29:40,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:40,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 03:29:40,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:40,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:40,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:40,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:40,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:40,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 03:29:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:40,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:40,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:29:40,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:40,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 03:29:40,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:40,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 03:29:40,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:40,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:29:40,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:40,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:29:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:40,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:40,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:29:40,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:40,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:29:40,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:29:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 03:29:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:29:40,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:40,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 03:29:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:40,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:40,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 03:29:40,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:40,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 03:29:40,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 03:29:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:40,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:40,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 03:29:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:40,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:40,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:29:40,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:40,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:29:40,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:40,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 03:29:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:40,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:40,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 03:29:40,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:29:40,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 03:29:40,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 03:29:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:40,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:29:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:40,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:40,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:29:40,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:40,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:29:40,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:40,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:40,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:40,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 03:29:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:40,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:40,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 03:29:40,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:29:40,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 03:29:40,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 03:29:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:40,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:40,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:29:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:40,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:40,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:40,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:29:40,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:40,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:29:40,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:40,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:40,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:29:41,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087722413] [2020-09-25 03:29:41,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:29:41,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 03:29:41,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575502902] [2020-09-25 03:29:41,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 03:29:41,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:29:41,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 03:29:41,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-25 03:29:41,085 INFO L87 Difference]: Start difference. First operand 574 states. Second operand 14 states. [2020-09-25 03:29:41,783 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-25 03:29:42,092 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-25 03:29:42,283 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 03:29:46,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:29:46,456 INFO L93 Difference]: Finished difference Result 1019 states and 1270 transitions. [2020-09-25 03:29:46,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 03:29:46,464 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 228 [2020-09-25 03:29:46,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:29:46,501 INFO L225 Difference]: With dead ends: 1019 [2020-09-25 03:29:46,501 INFO L226 Difference]: Without dead ends: 550 [2020-09-25 03:29:46,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2020-09-25 03:29:46,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-09-25 03:29:46,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2020-09-25 03:29:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-09-25 03:29:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 643 transitions. [2020-09-25 03:29:46,630 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 643 transitions. Word has length 228 [2020-09-25 03:29:46,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:29:46,635 INFO L479 AbstractCegarLoop]: Abstraction has 550 states and 643 transitions. [2020-09-25 03:29:46,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 03:29:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 643 transitions. [2020-09-25 03:29:46,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-25 03:29:46,642 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:29:46,643 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] [2020-09-25 03:29:46,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:29:46,643 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:29:46,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:29:46,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1513791060, now seen corresponding path program 1 times [2020-09-25 03:29:46,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:29:46,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651880244] [2020-09-25 03:29:46,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:29:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:46,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:47,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:47,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-09-25 03:29:47,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:47,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 612 [2020-09-25 03:29:47,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 03:29:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-09-25 03:29:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:29:47,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:47,512 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 03:29:47,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:29:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:47,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:47,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:47,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 03:29:47,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:47,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 03:29:47,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:47,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:47,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:47,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:47,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 03:29:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:47,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:47,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:47,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:29:47,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:47,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:29:47,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:47,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:47,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:47,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-25 03:29:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:47,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:47,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:47,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:29:47,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:47,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:29:47,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:47,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:47,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:47,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 03:29:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:47,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:47,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:47,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 03:29:47,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:47,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 03:29:47,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:47,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:47,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:47,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 03:29:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:47,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:47,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:47,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:29:47,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:29:47,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:47,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 03:29:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:47,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:47,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:47,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 03:29:47,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:47,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 03:29:47,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:47,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:47,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:47,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:47,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:47,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:29:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:47,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:47,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:47,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:29:47,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:29:47,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:47,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:47,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 03:29:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:47,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:47,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:47,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 03:29:47,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:47,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 03:29:47,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:47,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:47,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:47,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:47,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:29:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:47,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:47,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:47,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:29:47,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:47,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:29:47,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:29:47,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1651880244] [2020-09-25 03:29:47,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:29:47,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 03:29:47,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240404349] [2020-09-25 03:29:47,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 03:29:47,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:29:47,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 03:29:47,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-25 03:29:47,988 INFO L87 Difference]: Start difference. First operand 550 states and 643 transitions. Second operand 11 states. [2020-09-25 03:29:49,794 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-25 03:29:49,932 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 03:29:51,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:29:51,355 INFO L93 Difference]: Finished difference Result 976 states and 1167 transitions. [2020-09-25 03:29:51,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 03:29:51,357 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-09-25 03:29:51,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:29:51,366 INFO L225 Difference]: With dead ends: 976 [2020-09-25 03:29:51,367 INFO L226 Difference]: Without dead ends: 555 [2020-09-25 03:29:51,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2020-09-25 03:29:51,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2020-09-25 03:29:51,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2020-09-25 03:29:51,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-09-25 03:29:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 647 transitions. [2020-09-25 03:29:51,470 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 647 transitions. Word has length 239 [2020-09-25 03:29:51,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:29:51,477 INFO L479 AbstractCegarLoop]: Abstraction has 555 states and 647 transitions. [2020-09-25 03:29:51,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 03:29:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 647 transitions. [2020-09-25 03:29:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-09-25 03:29:51,486 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:29:51,487 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:29:51,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:29:51,488 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:29:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:29:51,489 INFO L82 PathProgramCache]: Analyzing trace with hash 960210052, now seen corresponding path program 1 times [2020-09-25 03:29:51,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:29:51,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249704371] [2020-09-25 03:29:51,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:29:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:51,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:52,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:55,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:55,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-09-25 03:29:55,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:29:55,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4243 [2020-09-25 03:29:55,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:29:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 03:29:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-09-25 03:29:55,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:56,106 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 03:29:56,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:29:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 03:29:56,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 03:29:56,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:29:56,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 03:29:56,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:56,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 03:29:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:29:56,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 03:29:56,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:29:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 03:29:56,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:56,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-25 03:29:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:29:56,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:29:56,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:29:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:29:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:56,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 03:29:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 03:29:56,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 03:29:56,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:29:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 03:29:56,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:56,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 03:29:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:29:56,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:29:56,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:56,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:56,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 03:29:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 03:29:56,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 03:29:56,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:29:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 03:29:56,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:56,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:29:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:29:56,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:29:56,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:56,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:56,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 03:29:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 03:29:56,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 03:29:56,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:29:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 03:29:56,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:29:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:29:56,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:29:56,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:56,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:56,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:56,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-25 03:29:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 03:29:56,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 03:29:56,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:29:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:29:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 03:29:56,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:56,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 03:29:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:29:56,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:29:56,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:29:56,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:29:56,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:56,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 03:29:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:29:56,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:29:56,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:29:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:29:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:29:56,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:29:56,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-09-25 03:29:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:29:56,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:29:56,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:29:56,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:29:56,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:29:56,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:29:56,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:29:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:29:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 03:29:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:29:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:29:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-25 03:29:57,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249704371] [2020-09-25 03:29:57,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:29:57,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-25 03:29:57,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674174742] [2020-09-25 03:29:57,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-25 03:29:57,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:29:57,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-25 03:29:57,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-09-25 03:29:57,315 INFO L87 Difference]: Start difference. First operand 555 states and 647 transitions. Second operand 17 states. [2020-09-25 03:29:57,917 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 03:30:00,192 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 139 [2020-09-25 03:30:00,342 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-09-25 03:30:00,469 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-09-25 03:30:01,173 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-25 03:30:03,491 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 03:30:04,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:30:04,113 INFO L93 Difference]: Finished difference Result 1181 states and 1390 transitions. [2020-09-25 03:30:04,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-25 03:30:04,113 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 312 [2020-09-25 03:30:04,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:30:04,119 INFO L225 Difference]: With dead ends: 1181 [2020-09-25 03:30:04,119 INFO L226 Difference]: Without dead ends: 755 [2020-09-25 03:30:04,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=597, Invalid=1755, Unknown=0, NotChecked=0, Total=2352 [2020-09-25 03:30:04,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2020-09-25 03:30:04,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 747. [2020-09-25 03:30:04,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-09-25 03:30:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 864 transitions. [2020-09-25 03:30:04,181 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 864 transitions. Word has length 312 [2020-09-25 03:30:04,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:30:04,181 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 864 transitions. [2020-09-25 03:30:04,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-25 03:30:04,182 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 864 transitions. [2020-09-25 03:30:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-09-25 03:30:04,186 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:30:04,187 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:30:04,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:30:04,187 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:30:04,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:30:04,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1614602927, now seen corresponding path program 1 times [2020-09-25 03:30:04,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:30:04,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572247724] [2020-09-25 03:30:04,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:30:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:04,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:04,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:05,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:05,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:09,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:09,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-09-25 03:30:09,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:30:09,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 03:30:09,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:09,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:30:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 03:30:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 269 [2020-09-25 03:30:09,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:09,513 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 03:30:09,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:30:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:09,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:09,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:09,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 03:30:09,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:09,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 03:30:09,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 03:30:09,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:09,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 03:30:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:09,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:09,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:09,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:30:09,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:09,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 03:30:09,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 03:30:09,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:09,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-25 03:30:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:09,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:09,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:09,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:30:09,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:09,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:30:09,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:30:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:09,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 03:30:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:09,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:09,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:09,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 03:30:09,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:09,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 03:30:09,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:09,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:09,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:09,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 03:30:09,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:09,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 03:30:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:09,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:09,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:09,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:30:09,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:09,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:30:09,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:30:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:30:09,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:09,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 03:30:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:09,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:09,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:09,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 03:30:09,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:09,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 03:30:09,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:09,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:09,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:09,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 03:30:09,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:09,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:30:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:09,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:09,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:09,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:30:09,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:30:09,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:30:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:30:09,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:09,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 03:30:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:09,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:10,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:10,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 03:30:10,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:10,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 03:30:10,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 03:30:10,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:30:10,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:30:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:10,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:10,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:10,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:30:10,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:30:10,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:30:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:30:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:30:10,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-25 03:30:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:10,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:10,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:10,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 03:30:10,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:10,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 03:30:10,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:10,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:30:10,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:30:10,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 03:30:10,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:30:10,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 03:30:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:10,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:10,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:10,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:30:10,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:30:10,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:30:10,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:30:10,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-25 03:30:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:10,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:10,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:10,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:30:10,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:10,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:30:10,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:10,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:10,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:10,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:30:10,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:10,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-09-25 03:30:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:10,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:10,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:10,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:30:10,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:10,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:30:10,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:30:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 03:30:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:30:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:30:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-25 03:30:10,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572247724] [2020-09-25 03:30:10,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:30:10,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-09-25 03:30:10,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189858360] [2020-09-25 03:30:10,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 03:30:10,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:30:10,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 03:30:10,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:30:10,593 INFO L87 Difference]: Start difference. First operand 747 states and 864 transitions. Second operand 16 states. [2020-09-25 03:30:10,719 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 03:30:11,276 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-25 03:30:11,980 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 03:30:13,691 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-25 03:30:13,831 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-09-25 03:30:14,199 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-25 03:30:16,630 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-09-25 03:30:16,758 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 03:30:16,889 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-09-25 03:30:17,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:30:17,840 INFO L93 Difference]: Finished difference Result 1204 states and 1422 transitions. [2020-09-25 03:30:17,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-25 03:30:17,840 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 313 [2020-09-25 03:30:17,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:30:17,846 INFO L225 Difference]: With dead ends: 1204 [2020-09-25 03:30:17,846 INFO L226 Difference]: Without dead ends: 771 [2020-09-25 03:30:17,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=692, Invalid=1960, Unknown=0, NotChecked=0, Total=2652 [2020-09-25 03:30:17,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2020-09-25 03:30:17,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 765. [2020-09-25 03:30:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-09-25 03:30:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 884 transitions. [2020-09-25 03:30:17,897 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 884 transitions. Word has length 313 [2020-09-25 03:30:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:30:17,897 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 884 transitions. [2020-09-25 03:30:17,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-25 03:30:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 884 transitions. [2020-09-25 03:30:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-09-25 03:30:17,903 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:30:17,903 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:30:17,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:30:17,904 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:30:17,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:30:17,904 INFO L82 PathProgramCache]: Analyzing trace with hash -334289294, now seen corresponding path program 1 times [2020-09-25 03:30:17,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:30:17,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157856838] [2020-09-25 03:30:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:30:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:18,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:18,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:18,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:21,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:21,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 352 [2020-09-25 03:30:21,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:30:21,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3843 [2020-09-25 03:30:21,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:30:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 03:30:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-09-25 03:30:21,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:22,045 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 03:30:22,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:30:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:22,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:22,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:22,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 03:30:22,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:22,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 03:30:22,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:22,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:22,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:22,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 03:30:22,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:22,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 03:30:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:22,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:22,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:22,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:30:22,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:22,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 03:30:22,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:22,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:22,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:22,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 03:30:22,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:22,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-25 03:30:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:22,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:22,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:22,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:30:22,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:22,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:30:22,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:30:22,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:22,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 03:30:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:22,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:22,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:22,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 03:30:22,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:22,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 03:30:22,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 03:30:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:22,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 03:30:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:22,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:22,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:22,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:30:22,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:22,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:30:22,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:30:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:30:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:22,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 03:30:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:22,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:22,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:22,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 03:30:22,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:22,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 03:30:22,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:22,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 03:30:22,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:22,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:30:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:22,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:22,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:22,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:30:22,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:22,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:30:22,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:30:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:30:22,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:22,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 03:30:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:22,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:22,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:22,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 03:30:22,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:22,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 03:30:22,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:30:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 03:30:22,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:22,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:30:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:22,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:22,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:22,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:30:22,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:22,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:30:22,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:30:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:30:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:30:22,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:30:22,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-25 03:30:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:30:22,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:30:22,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:30:22,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 03:30:22,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:30:22,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 03:30:22,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:30:22,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:30:22,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:30:22,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 03:30:22,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0