/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:54:48,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:54:48,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:54:48,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:54:48,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:54:48,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:54:48,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:54:48,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:54:48,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:54:48,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:54:48,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:54:48,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:54:48,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:54:48,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:54:48,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:54:48,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:54:48,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:54:48,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:54:48,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:54:48,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:54:48,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:54:48,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:54:48,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:54:48,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:54:48,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:54:48,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:54:48,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:54:48,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:54:48,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:54:48,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:54:48,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:54:48,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:54:48,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:54:48,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:54:48,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:54:48,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:54:48,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:54:48,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:54:48,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:54:48,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:54:48,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:54:48,999 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 06:54:49,044 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:54:49,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:54:49,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:54:49,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:54:49,047 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:54:49,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:54:49,048 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:54:49,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:54:49,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:54:49,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:54:49,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:54:49,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:54:49,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:54:49,051 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:54:49,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:54:49,051 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:54:49,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:54:49,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:54:49,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:54:49,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:54:49,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:54:49,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:54:49,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:54:49,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:54:49,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:54:49,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:54:49,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:54:49,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:54:49,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:54:49,054 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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:54:49,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:54:49,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:54:49,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:54:49,562 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:54:49,563 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:54:49,564 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2020-09-25 06:54:49,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3880c57a0/5a8e6ddb5b7943169e9b805d565e7761/FLAG2fb0af41b [2020-09-25 06:54:50,250 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:54:50,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2020-09-25 06:54:50,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3880c57a0/5a8e6ddb5b7943169e9b805d565e7761/FLAG2fb0af41b [2020-09-25 06:54:50,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3880c57a0/5a8e6ddb5b7943169e9b805d565e7761 [2020-09-25 06:54:50,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:54:50,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:54:50,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:54:50,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:54:50,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:54:50,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:54:50" (1/1) ... [2020-09-25 06:54:50,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7105da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:50, skipping insertion in model container [2020-09-25 06:54:50,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:54:50" (1/1) ... [2020-09-25 06:54:50,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:54:50,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:54:51,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:54:51,288 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:54:51,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:54:51,430 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:54:51,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:51 WrapperNode [2020-09-25 06:54:51,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:54:51,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:54:51,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:54:51,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:54:51,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:51" (1/1) ... [2020-09-25 06:54:51,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:51" (1/1) ... [2020-09-25 06:54:51,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:51" (1/1) ... [2020-09-25 06:54:51,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:51" (1/1) ... [2020-09-25 06:54:51,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:51" (1/1) ... [2020-09-25 06:54:51,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:51" (1/1) ... [2020-09-25 06:54:51,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:51" (1/1) ... [2020-09-25 06:54:51,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:54:51,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:54:51,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:54:51,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:54:51,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:51" (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 06:54:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:54:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:54:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 06:54:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-09-25 06:54:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-09-25 06:54:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-09-25 06:54:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-09-25 06:54:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-09-25 06:54:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-09-25 06:54:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-09-25 06:54:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-09-25 06:54:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-09-25 06:54:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-09-25 06:54:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-09-25 06:54:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-09-25 06:54:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-09-25 06:54:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-09-25 06:54:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-09-25 06:54:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:54:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-09-25 06:54:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:54:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 06:54:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 06:54:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-09-25 06:54:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-09-25 06:54:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-09-25 06:54:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 06:54:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 06:54:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-09-25 06:54:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-09-25 06:54:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-09-25 06:54:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-09-25 06:54:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-09-25 06:54:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-09-25 06:54:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-09-25 06:54:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-09-25 06:54:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-09-25 06:54:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-09-25 06:54:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-09-25 06:54:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-09-25 06:54:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-09-25 06:54:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-09-25 06:54:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-09-25 06:54:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:54:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:54:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:54:52,794 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:54:52,794 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 06:54:52,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:54:52 BoogieIcfgContainer [2020-09-25 06:54:52,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:54:52,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:54:52,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:54:52,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:54:52,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:54:50" (1/3) ... [2020-09-25 06:54:52,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc927e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:54:52, skipping insertion in model container [2020-09-25 06:54:52,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:54:51" (2/3) ... [2020-09-25 06:54:52,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc927e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:54:52, skipping insertion in model container [2020-09-25 06:54:52,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:54:52" (3/3) ... [2020-09-25 06:54:52,814 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2020-09-25 06:54:52,826 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:54:52,837 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:54:52,860 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:54:52,892 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:54:52,893 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:54:52,893 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:54:52,893 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:54:52,893 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:54:52,893 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:54:52,893 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:54:52,894 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:54:52,929 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states. [2020-09-25 06:54:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 06:54:52,949 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:54:52,951 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 06:54:52,951 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:54:52,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:54:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1455574608, now seen corresponding path program 1 times [2020-09-25 06:54:52,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:54:52,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256778611] [2020-09-25 06:54:52,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:54:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:54:53,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:53,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:53,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:53,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:54,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:54,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:55,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:56,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:54:56,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 06:54:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 06:54:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3711 [2020-09-25 06:54:56,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:54:56,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:54:56,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:54:56,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-09-25 06:54:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:54:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 06:54:57,307 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 06:54:57,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:54:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:54:57,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:54:57,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 06:54:57,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:54:57,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 06:54:57,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:54:57,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:54:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:54:57,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:54:57,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:54:57,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:54:57,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 06:54:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:54:57,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:54:57,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:54:57,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:54:57,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:54:57,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:54:57,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:54:57,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:54:57,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:54:57,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:54:57,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:54:57,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:54:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:54:57,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:54:57,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:54:57,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:54:57,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:54:57,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:54:57,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:54:57,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:54:57,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:54:57,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:54:57,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:54:57,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 06:54:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:54:57,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:54:57,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 06:54:57,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:54:57,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 06:54:57,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:54:57,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:54:57,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:54:57,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:54:57,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:54:57,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:54:57,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 06:54:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:54:57,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:54:57,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:54:57,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:54:57,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:54:57,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:54:57,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:54:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:54:57,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:54:57,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:54:57,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:54:57,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:54:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:54:57,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:54:57,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 06:54:57,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:54:57,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 06:54:57,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:54:57,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:54:57,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:54:57,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 06:54:57,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:54:57,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:54:57,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:54:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:54:57,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:54:57,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:54:57,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:54:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:54:57,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:54:57,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:54:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:54:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:54:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:54:57,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:54:57,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 06:54:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:54:57,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:54:57,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 06:54:57,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:54:57,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 06:54:57,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:54:57,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:54:57,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:54:57,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 06:54:57,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:54:57,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:54:57,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:54:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:54:57,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:54:57,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:54:57,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:54:57,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:54:57,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:54:57,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:54:57,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:54:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:54:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:54:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:54:57,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:54:57,901 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 06:54:57,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256778611] [2020-09-25 06:54:57,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:54:57,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:54:57,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406113091] [2020-09-25 06:54:57,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:54:57,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:54:57,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:54:57,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:54:57,935 INFO L87 Difference]: Start difference. First operand 577 states. Second operand 9 states. [2020-09-25 06:55:00,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:55:00,736 INFO L93 Difference]: Finished difference Result 1024 states and 1272 transitions. [2020-09-25 06:55:00,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 06:55:00,738 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 228 [2020-09-25 06:55:00,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:55:00,775 INFO L225 Difference]: With dead ends: 1024 [2020-09-25 06:55:00,775 INFO L226 Difference]: Without dead ends: 565 [2020-09-25 06:55:00,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2020-09-25 06:55:00,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-09-25 06:55:00,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2020-09-25 06:55:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-09-25 06:55:00,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 670 transitions. [2020-09-25 06:55:00,904 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 670 transitions. Word has length 228 [2020-09-25 06:55:00,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:55:00,907 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 670 transitions. [2020-09-25 06:55:00,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:55:00,908 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 670 transitions. [2020-09-25 06:55:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 06:55:00,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:55:00,915 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 06:55:00,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:55:00,915 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:55:00,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:55:00,916 INFO L82 PathProgramCache]: Analyzing trace with hash -839714288, now seen corresponding path program 1 times [2020-09-25 06:55:00,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:55:00,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878264611] [2020-09-25 06:55:00,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:55:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:00,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:01,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:03,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:03,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 06:55:03,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:55:03,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2377 [2020-09-25 06:55:03,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:03,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:55:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 245 [2020-09-25 06:55:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:55:03,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:03,686 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 06:55:03,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:55:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:03,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:03,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:03,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 06:55:03,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:03,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 06:55:03,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:03,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:03,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:03,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 06:55:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:03,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:03,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:03,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:55:03,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:55:03,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:03,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:03,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:55:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:03,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:03,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:03,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:55:03,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:03,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:55:03,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:03,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:03,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:03,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 06:55:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:03,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:03,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:03,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 06:55:03,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 06:55:03,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:03,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:03,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:03,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:03,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:03,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:03,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 06:55:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:03,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:03,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:03,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:03,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:03,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:55:03,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:03,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:03,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:03,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:03,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:03,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:03,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:55:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:03,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:03,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:03,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 06:55:03,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:03,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 06:55:03,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:03,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:03,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:03,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:55:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:03,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:04,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:04,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:04,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:04,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:55:04,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:04,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:04,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:04,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:04,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:04,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:04,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 06:55:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:04,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:04,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:04,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 06:55:04,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:04,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 06:55:04,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:04,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:04,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:04,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:55:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:04,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:04,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:04,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:04,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:04,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:55:04,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:04,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:04,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 06:55:04,222 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 06:55:04,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878264611] [2020-09-25 06:55:04,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:55:04,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 06:55:04,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307196718] [2020-09-25 06:55:04,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 06:55:04,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:55:04,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 06:55:04,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-25 06:55:04,227 INFO L87 Difference]: Start difference. First operand 565 states and 670 transitions. Second operand 11 states. [2020-09-25 06:55:06,687 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-25 06:55:06,856 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 06:55:07,949 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 06:55:08,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:55:08,675 INFO L93 Difference]: Finished difference Result 996 states and 1200 transitions. [2020-09-25 06:55:08,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 06:55:08,676 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2020-09-25 06:55:08,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:55:08,686 INFO L225 Difference]: With dead ends: 996 [2020-09-25 06:55:08,686 INFO L226 Difference]: Without dead ends: 572 [2020-09-25 06:55:08,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=201, Invalid=399, Unknown=0, NotChecked=0, Total=600 [2020-09-25 06:55:08,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-09-25 06:55:08,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 570. [2020-09-25 06:55:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-09-25 06:55:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 674 transitions. [2020-09-25 06:55:08,742 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 674 transitions. Word has length 228 [2020-09-25 06:55:08,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:55:08,742 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 674 transitions. [2020-09-25 06:55:08,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 06:55:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 674 transitions. [2020-09-25 06:55:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-09-25 06:55:08,748 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:55:08,748 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] [2020-09-25 06:55:08,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:55:08,749 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:55:08,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:55:08,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1393853320, now seen corresponding path program 1 times [2020-09-25 06:55:08,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:55:08,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108546121] [2020-09-25 06:55:08,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:55:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:08,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:08,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:12,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:12,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:13,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:13,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-09-25 06:55:13,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:55:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 06:55:13,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:13,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:55:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 06:55:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-25 06:55:13,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,065 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 06:55:14,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:55:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 06:55:14,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 06:55:14,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:14,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:14,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 06:55:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:55:14,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:55:14,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:55:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:55:14,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:55:14,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:14,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:14,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 06:55:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 06:55:14,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 06:55:14,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:14,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 06:55:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:14,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:55:14,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:14,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:14,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:55:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 06:55:14,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 06:55:14,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:55:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 06:55:14,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:55:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:14,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:55:14,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:14,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:14,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 06:55:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 06:55:14,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 06:55:14,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:55:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 06:55:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:55:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:14,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:55:14,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:14,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 06:55:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 06:55:14,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 06:55:14,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:55:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 06:55:14,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 06:55:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:55:14,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:55:14,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:14,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:14,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 06:55:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:14,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:55:14,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:14,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-09-25 06:55:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:14,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:14,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:14,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:55:14,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:14,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:55:14,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:14,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 06:55:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:14,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:14,736 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 06:55:14,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108546121] [2020-09-25 06:55:14,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:55:14,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 06:55:14,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126531793] [2020-09-25 06:55:14,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 06:55:14,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:55:14,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 06:55:14,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-25 06:55:14,741 INFO L87 Difference]: Start difference. First operand 570 states and 674 transitions. Second operand 12 states. [2020-09-25 06:55:16,505 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 06:55:17,674 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 06:55:20,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:55:20,517 INFO L93 Difference]: Finished difference Result 1366 states and 1644 transitions. [2020-09-25 06:55:20,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 06:55:20,518 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 301 [2020-09-25 06:55:20,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:55:20,526 INFO L225 Difference]: With dead ends: 1366 [2020-09-25 06:55:20,526 INFO L226 Difference]: Without dead ends: 937 [2020-09-25 06:55:20,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=347, Invalid=843, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 06:55:20,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-09-25 06:55:20,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 895. [2020-09-25 06:55:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-09-25 06:55:20,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1077 transitions. [2020-09-25 06:55:20,590 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1077 transitions. Word has length 301 [2020-09-25 06:55:20,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:55:20,591 INFO L479 AbstractCegarLoop]: Abstraction has 895 states and 1077 transitions. [2020-09-25 06:55:20,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 06:55:20,591 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1077 transitions. [2020-09-25 06:55:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-09-25 06:55:20,597 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:55:20,597 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] [2020-09-25 06:55:20,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:55:20,597 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:55:20,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:55:20,598 INFO L82 PathProgramCache]: Analyzing trace with hash 2131268364, now seen corresponding path program 1 times [2020-09-25 06:55:20,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:55:20,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986356015] [2020-09-25 06:55:20,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:55:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:20,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:24,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:24,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:25,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:25,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-09-25 06:55:25,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:55:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-09-25 06:55:25,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:25,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:55:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 221 [2020-09-25 06:55:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 06:55:25,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:55:25,928 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 06:55:25,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:55:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:25,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:25,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:25,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 06:55:25,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 06:55:25,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:25,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:25,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:25,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:25,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 06:55:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:55:26,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:55:26,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:26,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:55:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:55:26,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:55:26,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:26,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:26,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 06:55:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 06:55:26,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 06:55:26,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:26,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 06:55:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:26,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:55:26,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:55:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 06:55:26,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 06:55:26,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:26,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:55:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:26,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:55:26,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:26,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:26,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 06:55:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 06:55:26,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 06:55:26,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:55:26,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 06:55:26,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:55:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:26,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:55:26,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:26,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 06:55:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 06:55:26,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 06:55:26,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:55:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 06:55:26,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 06:55:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:55:26,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:55:26,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:26,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:26,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 06:55:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:55:26,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:55:26,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:26,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:26,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-25 06:55:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:26,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:26,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:26,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:55:26,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:26,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:55:26,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:26,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:26,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:26,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 06:55:26,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:26,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:26,778 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 06:55:26,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986356015] [2020-09-25 06:55:26,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:55:26,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 06:55:26,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646792719] [2020-09-25 06:55:26,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 06:55:26,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:55:26,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 06:55:26,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-25 06:55:26,781 INFO L87 Difference]: Start difference. First operand 895 states and 1077 transitions. Second operand 12 states. [2020-09-25 06:55:26,909 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-25 06:55:29,327 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 06:55:29,604 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 06:55:29,849 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-09-25 06:55:32,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:55:32,834 INFO L93 Difference]: Finished difference Result 2277 states and 2783 transitions. [2020-09-25 06:55:32,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 06:55:32,834 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 302 [2020-09-25 06:55:32,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:55:32,844 INFO L225 Difference]: With dead ends: 2277 [2020-09-25 06:55:32,844 INFO L226 Difference]: Without dead ends: 1523 [2020-09-25 06:55:32,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=348, Invalid=842, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 06:55:32,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2020-09-25 06:55:32,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1503. [2020-09-25 06:55:32,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2020-09-25 06:55:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1834 transitions. [2020-09-25 06:55:32,966 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1834 transitions. Word has length 302 [2020-09-25 06:55:32,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:55:32,967 INFO L479 AbstractCegarLoop]: Abstraction has 1503 states and 1834 transitions. [2020-09-25 06:55:32,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 06:55:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1834 transitions. [2020-09-25 06:55:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-09-25 06:55:32,972 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:55:32,973 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] [2020-09-25 06:55:32,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:55:32,973 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:55:32,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:55:32,974 INFO L82 PathProgramCache]: Analyzing trace with hash 827353964, now seen corresponding path program 1 times [2020-09-25 06:55:32,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:55:32,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78791965] [2020-09-25 06:55:32,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:55:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:33,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:33,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:36,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:36,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:38,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:38,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-09-25 06:55:38,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:55:38,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 06:55:38,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:38,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:38,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:55:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-09-25 06:55:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:55:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:55:38,233 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-09-25 06:55:38,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:55:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:38,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:38,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:38,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 06:55:38,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:38,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 06:55:38,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:38,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:38,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:55:38,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 06:55:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:38,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:38,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:38,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:55:38,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:38,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:55:38,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:38,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:38,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:38,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:55:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:38,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:55:38,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:55:38,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:55:38,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:55:38,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:55:38,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:55:38,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:55:38,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:55:38,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:55:38,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:55:38,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:55:38,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 06:55:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:55:38,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking...