/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:45:44,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:45:44,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:45:44,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:45:44,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:45:44,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:45:44,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:45:44,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:45:44,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:45:44,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:45:44,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:45:44,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:45:44,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:45:44,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:45:44,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:45:44,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:45:44,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:45:44,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:45:44,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:45:44,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:45:44,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:45:44,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:45:44,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:45:44,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:45:44,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:45:44,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:45:44,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:45:44,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:45:44,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:45:44,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:45:44,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:45:44,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:45:44,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:45:44,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:45:44,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:45:44,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:45:44,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:45:44,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:45:44,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:45:44,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:45:44,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:45:44,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 02:45:44,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:45:44,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:45:44,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:45:44,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:45:44,499 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:45:44,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:45:44,499 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:45:44,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:45:44,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:45:44,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:45:44,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:45:44,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:45:44,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:45:44,502 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:45:44,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:45:44,502 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:45:44,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:45:44,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:45:44,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:45:44,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:45:44,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:45:44,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:45:44,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:45:44,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:45:44,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:45:44,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:45:44,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:45:44,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:45:44,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:45:44,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:45:44,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:45:44,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:45:44,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:45:44,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:45:44,816 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:45:44,817 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c [2020-10-15 02:45:44,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/033927e03/85a423a46d1d4727a915fc3c7df6343a/FLAG594b92922 [2020-10-15 02:45:45,353 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:45:45,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c [2020-10-15 02:45:45,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/033927e03/85a423a46d1d4727a915fc3c7df6343a/FLAG594b92922 [2020-10-15 02:45:45,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/033927e03/85a423a46d1d4727a915fc3c7df6343a [2020-10-15 02:45:45,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:45:45,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:45:45,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:45:45,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:45:45,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:45:45,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:45:45" (1/1) ... [2020-10-15 02:45:45,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e399bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:45, skipping insertion in model container [2020-10-15 02:45:45,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:45:45" (1/1) ... [2020-10-15 02:45:45,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:45:45,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:45:46,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:45:46,286 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:45:46,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:45:46,406 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:45:46,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:46 WrapperNode [2020-10-15 02:45:46,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:45:46,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:45:46,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:45:46,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:45:46,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:46" (1/1) ... [2020-10-15 02:45:46,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:46" (1/1) ... [2020-10-15 02:45:46,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:46" (1/1) ... [2020-10-15 02:45:46,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:46" (1/1) ... [2020-10-15 02:45:46,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:46" (1/1) ... [2020-10-15 02:45:46,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:46" (1/1) ... [2020-10-15 02:45:46,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:46" (1/1) ... [2020-10-15 02:45:46,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:45:46,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:45:46,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:45:46,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:45:46,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:45:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:45:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:45:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 02:45:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-15 02:45:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-15 02:45:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-15 02:45:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-15 02:45:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:45:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:45:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:45:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:45:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:45:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:45:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:45:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:45:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:45:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 02:45:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:45:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:45:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-15 02:45:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-15 02:45:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-15 02:45:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-15 02:45:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:45:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:45:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:45:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:45:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:45:47,810 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:45:47,810 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 02:45:47,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:45:47 BoogieIcfgContainer [2020-10-15 02:45:47,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:45:47,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:45:47,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:45:47,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:45:47,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:45:45" (1/3) ... [2020-10-15 02:45:47,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707492d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:45:47, skipping insertion in model container [2020-10-15 02:45:47,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:46" (2/3) ... [2020-10-15 02:45:47,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707492d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:45:47, skipping insertion in model container [2020-10-15 02:45:47,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:45:47" (3/3) ... [2020-10-15 02:45:47,825 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c [2020-10-15 02:45:47,835 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:45:47,846 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:45:47,859 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:45:47,884 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:45:47,884 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:45:47,884 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:45:47,885 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:45:47,885 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:45:47,885 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:45:47,885 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:45:47,885 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:45:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states. [2020-10-15 02:45:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-15 02:45:47,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:45:47,927 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] [2020-10-15 02:45:47,928 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:45:47,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:45:47,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1771600538, now seen corresponding path program 1 times [2020-10-15 02:45:47,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:45:47,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137253632] [2020-10-15 02:45:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:45:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:48,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:48,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:48,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-15 02:45:48,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:48,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 587 [2020-10-15 02:45:48,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:48,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:48,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-15 02:45:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:48,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 02:45:49,412 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:45:49,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:45:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:49,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:49,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:49,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:45:49,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:49,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:45:49,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:49,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:49,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:49,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:49,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:49,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:49,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:45:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:49,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:49,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:49,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 02:45:49,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-15 02:45:49,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:49,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:49,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:49,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:49,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:49,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-15 02:45:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:49,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:49,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:49,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:45:49,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:49,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:45:49,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:49,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:49,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:49,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:45:49,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:49,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:45:49,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:45:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:49,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:49,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:49,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:49,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:49,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:45:49,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:49,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:49,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:49,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:45:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:49,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:49,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:49,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:49,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:49,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:45:49,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:49,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:49,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:49,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:45:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:49,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:49,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:49,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:45:49,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:49,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:49,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:45:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:49,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:49,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:49,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:49,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:49,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:45:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:49,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:49,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:45:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:49,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:49,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:49,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:45:49,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:45:49,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:49,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:45:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:45:49,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137253632] [2020-10-15 02:45:49,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:45:49,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 02:45:49,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536522508] [2020-10-15 02:45:49,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:45:49,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:45:49,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:45:49,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:45:49,815 INFO L87 Difference]: Start difference. First operand 358 states. Second operand 7 states. [2020-10-15 02:45:50,673 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:51,074 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:51,507 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:51,987 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:52,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:45:52,552 INFO L93 Difference]: Finished difference Result 547 states and 921 transitions. [2020-10-15 02:45:52,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:45:52,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2020-10-15 02:45:52,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:45:52,580 INFO L225 Difference]: With dead ends: 547 [2020-10-15 02:45:52,580 INFO L226 Difference]: Without dead ends: 389 [2020-10-15 02:45:52,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:45:52,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-10-15 02:45:52,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 353. [2020-10-15 02:45:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-10-15 02:45:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 608 transitions. [2020-10-15 02:45:52,683 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 608 transitions. Word has length 108 [2020-10-15 02:45:52,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:45:52,686 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 608 transitions. [2020-10-15 02:45:52,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:45:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 608 transitions. [2020-10-15 02:45:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-15 02:45:52,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:45:52,696 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] [2020-10-15 02:45:52,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:45:52,696 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:45:52,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:45:52,697 INFO L82 PathProgramCache]: Analyzing trace with hash -878114200, now seen corresponding path program 1 times [2020-10-15 02:45:52,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:45:52,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188998076] [2020-10-15 02:45:52,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:45:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:52,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:54,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:54,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-15 02:45:54,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:54,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1221 [2020-10-15 02:45:54,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:54,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:45:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-15 02:45:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:45:54,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:54,619 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:45:54,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:45:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:54,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:54,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:54,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:45:54,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:54,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:45:54,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:54,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:54,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:54,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:54,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:54,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:45:54,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:45:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:54,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:54,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:54,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 02:45:54,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-15 02:45:54,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:54,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:45:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 02:45:54,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:54,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-15 02:45:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:54,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:54,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:54,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:45:54,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:54,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:45:54,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:54,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:45:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:45:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:45:54,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-15 02:45:55,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:45:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:55,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:55,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:55,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:55,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:55,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:45:55,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:55,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:55,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:55,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:55,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:45:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:55,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:55,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:55,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:55,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:55,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:45:55,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:55,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:55,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:55,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:55,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:45:55,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:45:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:55,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:55,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:55,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:55,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:55,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:45:55,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:55,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:55,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:55,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:55,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:55,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:55,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:45:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:55,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:55,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:55,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:55,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:55,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:45:55,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:55,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:55,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:55,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:55,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:55,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:45:55,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:45:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:55,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:55,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:55,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:45:55,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:55,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:45:55,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:55,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:55,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:55,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:45:55,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:55,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:45:55,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188998076] [2020-10-15 02:45:55,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:45:55,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:45:55,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487112213] [2020-10-15 02:45:55,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:45:55,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:45:55,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:45:55,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:45:55,233 INFO L87 Difference]: Start difference. First operand 353 states and 608 transitions. Second operand 13 states. [2020-10-15 02:45:57,415 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-15 02:45:57,788 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-15 02:45:58,264 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-15 02:45:58,671 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-10-15 02:46:01,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:46:01,758 INFO L93 Difference]: Finished difference Result 550 states and 925 transitions. [2020-10-15 02:46:01,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:46:01,759 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 108 [2020-10-15 02:46:01,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:46:01,768 INFO L225 Difference]: With dead ends: 550 [2020-10-15 02:46:01,768 INFO L226 Difference]: Without dead ends: 399 [2020-10-15 02:46:01,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-15 02:46:01,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-15 02:46:01,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 353. [2020-10-15 02:46:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-10-15 02:46:01,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 562 transitions. [2020-10-15 02:46:01,841 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 562 transitions. Word has length 108 [2020-10-15 02:46:01,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:46:01,844 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 562 transitions. [2020-10-15 02:46:01,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:46:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 562 transitions. [2020-10-15 02:46:01,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-15 02:46:01,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:46:01,848 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] [2020-10-15 02:46:01,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:46:01,849 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:46:01,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:46:01,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1443712870, now seen corresponding path program 1 times [2020-10-15 02:46:01,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:46:01,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322856071] [2020-10-15 02:46:01,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:46:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:02,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:02,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:02,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:02,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:06,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:06,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-15 02:46:06,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:46:06,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-15 02:46:06,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:06,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:46:06,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-15 02:46:06,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:46:06,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:07,304 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:46:07,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:46:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:07,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:07,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:07,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:46:07,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:07,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:46:07,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:07,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:07,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:07,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:46:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:07,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:07,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:07,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:46:07,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:07,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-15 02:46:07,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:07,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-15 02:46:07,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:07,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:46:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:07,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:07,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:07,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:46:07,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:46:07,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:07,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:46:07,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:07,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:46:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:07,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:07,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:07,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:07,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:07,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:46:07,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:07,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:07,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:07,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:07,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:07,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:07,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:46:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:07,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:07,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:07,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:07,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:07,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:46:07,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:07,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:07,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:07,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:46:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:07,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:07,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:07,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:07,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:07,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:46:07,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:07,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:07,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:46:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:07,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:07,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:07,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:07,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:07,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:46:07,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:07,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:46:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:46:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:46:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:07,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-15 02:46:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:07,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:07,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:07,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:46:07,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:07,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:46:07,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:07,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:46:07,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:07,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:46:07,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322856071] [2020-10-15 02:46:07,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:46:07,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:46:07,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906409484] [2020-10-15 02:46:07,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:46:07,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:46:07,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:46:07,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:46:07,862 INFO L87 Difference]: Start difference. First operand 353 states and 562 transitions. Second operand 10 states. [2020-10-15 02:46:08,207 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-15 02:46:12,813 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-15 02:46:12,936 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 02:46:13,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:46:13,137 INFO L93 Difference]: Finished difference Result 710 states and 1139 transitions. [2020-10-15 02:46:13,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 02:46:13,137 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 153 [2020-10-15 02:46:13,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:46:13,143 INFO L225 Difference]: With dead ends: 710 [2020-10-15 02:46:13,144 INFO L226 Difference]: Without dead ends: 565 [2020-10-15 02:46:13,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:46:13,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-15 02:46:13,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 488. [2020-10-15 02:46:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2020-10-15 02:46:13,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 779 transitions. [2020-10-15 02:46:13,191 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 779 transitions. Word has length 153 [2020-10-15 02:46:13,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:46:13,192 INFO L479 AbstractCegarLoop]: Abstraction has 488 states and 779 transitions. [2020-10-15 02:46:13,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:46:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 779 transitions. [2020-10-15 02:46:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-15 02:46:13,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:46:13,195 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] [2020-10-15 02:46:13,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:46:13,196 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:46:13,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:46:13,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1961090059, now seen corresponding path program 1 times [2020-10-15 02:46:13,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:46:13,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279714514] [2020-10-15 02:46:13,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:46:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:13,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:13,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:13,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:14,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:14,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:15,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:18,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:18,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-15 02:46:18,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:46:18,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:46:18,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:18,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:18,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:46:18,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:46:18,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-15 02:46:18,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:18,695 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:46:18,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:46:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:18,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:18,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:18,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:46:18,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:46:18,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:18,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:18,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:18,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:46:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:18,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:18,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:18,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:46:18,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:18,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-15 02:46:18,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:18,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:46:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:46:18,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:18,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:46:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:46:19,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:46:19,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:19,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:19,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:46:19,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:46:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:19,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:46:19,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:19,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:46:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:19,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:46:19,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:19,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:46:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:19,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:46:19,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:19,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:19,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:46:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 02:46:19,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:46:19,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:46:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:46:19,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-15 02:46:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:46:19,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:46:19,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:19,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:46:19,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:19,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:46:19,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279714514] [2020-10-15 02:46:19,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:46:19,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:46:19,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598686569] [2020-10-15 02:46:19,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:46:19,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:46:19,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:46:19,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:46:19,300 INFO L87 Difference]: Start difference. First operand 488 states and 779 transitions. Second operand 10 states. [2020-10-15 02:46:19,637 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:46:19,971 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-15 02:46:20,436 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-15 02:46:20,794 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:46:23,955 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:46:24,175 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:24,382 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:24,886 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:25,213 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:25,753 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:26,105 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:26,608 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:26,926 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:27,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:46:27,808 INFO L93 Difference]: Finished difference Result 1586 states and 2556 transitions. [2020-10-15 02:46:27,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 02:46:27,808 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-10-15 02:46:27,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:46:27,815 INFO L225 Difference]: With dead ends: 1586 [2020-10-15 02:46:27,815 INFO L226 Difference]: Without dead ends: 1135 [2020-10-15 02:46:27,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:46:27,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2020-10-15 02:46:27,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 995. [2020-10-15 02:46:27,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 995 states. [2020-10-15 02:46:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1580 transitions. [2020-10-15 02:46:27,912 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1580 transitions. Word has length 156 [2020-10-15 02:46:27,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:46:27,913 INFO L479 AbstractCegarLoop]: Abstraction has 995 states and 1580 transitions. [2020-10-15 02:46:27,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:46:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1580 transitions. [2020-10-15 02:46:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-15 02:46:27,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:46:27,919 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] [2020-10-15 02:46:27,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:46:27,919 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:46:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:46:27,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1547862592, now seen corresponding path program 1 times [2020-10-15 02:46:27,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:46:27,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328577085] [2020-10-15 02:46:27,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:46:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:28,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:28,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:28,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:28,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:28,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:29,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:29,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:33,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:33,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-15 02:46:33,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:46:33,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:46:33,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:33,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:33,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:46:33,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:46:33,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 02:46:33,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:33,483 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:46:33,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:46:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:33,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:33,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:33,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:46:33,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:33,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:46:33,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:33,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:33,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:46:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:33,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:33,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:33,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:46:33,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:33,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-15 02:46:33,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:33,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:46:33,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:33,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:46:33,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:33,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:46:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:33,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:33,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:33,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:46:33,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:33,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:46:33,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:33,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:33,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:33,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:33,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:46:33,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:33,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:46:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:33,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:33,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:33,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:33,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:33,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:46:33,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:33,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:33,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:33,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:46:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:33,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:33,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:33,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:33,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:33,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:46:33,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:33,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:33,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:33,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:33,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:33,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:33,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:46:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:33,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:33,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:33,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:33,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:33,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:46:33,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:33,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:33,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:33,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:33,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:33,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:33,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:46:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:33,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:33,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:33,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 02:46:33,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:33,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:46:33,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:33,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:46:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:33,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:34,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-15 02:46:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:34,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:34,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:34,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:46:34,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:34,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:46:34,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:34,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:34,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:46:34,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:34,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:46:34,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328577085] [2020-10-15 02:46:34,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:46:34,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:46:34,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465160211] [2020-10-15 02:46:34,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:46:34,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:46:34,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:46:34,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:46:34,088 INFO L87 Difference]: Start difference. First operand 995 states and 1580 transitions. Second operand 10 states. [2020-10-15 02:46:34,441 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:46:34,850 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-10-15 02:46:35,371 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-10-15 02:46:36,057 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2020-10-15 02:46:40,275 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:46:40,552 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:41,039 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:41,423 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:41,820 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:42,183 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:42,593 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:43,274 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:43,644 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:44,278 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:45,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:46:45,376 INFO L93 Difference]: Finished difference Result 3873 states and 6173 transitions. [2020-10-15 02:46:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:46:45,378 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-10-15 02:46:45,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:46:45,392 INFO L225 Difference]: With dead ends: 3873 [2020-10-15 02:46:45,392 INFO L226 Difference]: Without dead ends: 2930 [2020-10-15 02:46:45,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:46:45,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2020-10-15 02:46:45,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2601. [2020-10-15 02:46:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2601 states. [2020-10-15 02:46:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2601 states and 4096 transitions. [2020-10-15 02:46:45,623 INFO L78 Accepts]: Start accepts. Automaton has 2601 states and 4096 transitions. Word has length 157 [2020-10-15 02:46:45,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:46:45,623 INFO L479 AbstractCegarLoop]: Abstraction has 2601 states and 4096 transitions. [2020-10-15 02:46:45,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:46:45,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 4096 transitions. [2020-10-15 02:46:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-15 02:46:45,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:46:45,630 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] [2020-10-15 02:46:45,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:46:45,631 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:46:45,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:46:45,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1840630750, now seen corresponding path program 1 times [2020-10-15 02:46:45,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:46:45,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792015446] [2020-10-15 02:46:45,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:46:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:45,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:45,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:46,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:46,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:46,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:46,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:50,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:50,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-15 02:46:50,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:46:50,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-15 02:46:50,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:50,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:50,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:46:50,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:46:50,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 02:46:50,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:51,170 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:46:51,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:46:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:51,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:51,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:51,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:46:51,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:51,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:46:51,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:51,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:51,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:51,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:51,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:51,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:51,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:46:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:51,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:51,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:51,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:46:51,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:51,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-15 02:46:51,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:51,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:46:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 02:46:51,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:51,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:46:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:51,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:51,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:51,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:46:51,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:51,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:46:51,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:51,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:51,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:51,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:51,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:46:51,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:51,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:46:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:51,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:51,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:51,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:51,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:51,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:46:51,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:51,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:51,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:51,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:46:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:51,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:51,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:51,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:51,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:51,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:46:51,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:51,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:51,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:51,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:51,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:51,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:51,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:46:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:51,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:51,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:51,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:51,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:51,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:46:51,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:51,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:51,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:51,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:46:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:51,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:51,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:51,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 02:46:51,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:51,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:46:51,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:51,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:51,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:51,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:46:51,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:51,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:51,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-15 02:46:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:51,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:51,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:51,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:46:51,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:51,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:46:51,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:51,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:46:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:51,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:51,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:46:51,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792015446] [2020-10-15 02:46:51,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:46:51,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:46:51,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104671370] [2020-10-15 02:46:51,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:46:51,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:46:51,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:46:51,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:46:51,678 INFO L87 Difference]: Start difference. First operand 2601 states and 4096 transitions. Second operand 10 states. [2020-10-15 02:46:52,067 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:46:52,445 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-15 02:46:53,025 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-15 02:46:53,382 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:46:56,428 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:46:56,743 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:56,956 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:57,444 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:57,807 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:58,389 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:58,735 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:59,304 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:59,643 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:00,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:47:00,789 INFO L93 Difference]: Finished difference Result 7987 states and 12556 transitions. [2020-10-15 02:47:00,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 02:47:00,794 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-10-15 02:47:00,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:47:00,820 INFO L225 Difference]: With dead ends: 7987 [2020-10-15 02:47:00,820 INFO L226 Difference]: Without dead ends: 5717 [2020-10-15 02:47:00,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:47:00,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5717 states. [2020-10-15 02:47:01,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5717 to 5105. [2020-10-15 02:47:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5105 states. [2020-10-15 02:47:01,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 5105 states and 7909 transitions. [2020-10-15 02:47:01,360 INFO L78 Accepts]: Start accepts. Automaton has 5105 states and 7909 transitions. Word has length 157 [2020-10-15 02:47:01,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:47:01,361 INFO L479 AbstractCegarLoop]: Abstraction has 5105 states and 7909 transitions. [2020-10-15 02:47:01,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:47:01,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5105 states and 7909 transitions. [2020-10-15 02:47:01,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-15 02:47:01,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:47:01,377 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] [2020-10-15 02:47:01,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:47:01,377 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:47:01,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:47:01,377 INFO L82 PathProgramCache]: Analyzing trace with hash 832772738, now seen corresponding path program 1 times [2020-10-15 02:47:01,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:47:01,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274617583] [2020-10-15 02:47:01,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:47:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:01,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:01,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:01,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:02,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:02,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:02,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:02,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:06,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:06,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:47:06,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:47:06,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-15 02:47:06,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:06,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:47:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:47:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-15 02:47:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:06,832 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:47:06,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:47:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:06,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:06,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:06,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:47:06,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:06,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:47:06,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:06,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:06,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:47:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:06,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:06,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:06,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:47:06,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:06,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-15 02:47:06,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:06,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:47:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:47:06,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:07,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:47:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:07,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:07,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:07,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:47:07,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:47:07,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:07,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:47:07,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:47:07,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:47:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:07,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:07,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:07,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:07,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:07,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:47:07,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:07,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:47:07,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:47:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:07,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:07,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:07,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:07,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:07,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:47:07,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:07,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:07,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:07,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:47:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:07,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:07,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:07,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:07,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:07,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:47:07,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:07,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:07,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:07,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:47:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:07,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:07,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:07,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:47:07,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:07,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:47:07,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:07,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:07,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:07,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:47:07,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:47:07,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:07,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-15 02:47:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:07,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:07,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:07,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:47:07,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:07,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:47:07,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:07,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:07,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:07,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:47:07,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:07,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:47:07,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274617583] [2020-10-15 02:47:07,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:47:07,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:47:07,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639160504] [2020-10-15 02:47:07,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:47:07,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:47:07,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:47:07,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:47:07,330 INFO L87 Difference]: Start difference. First operand 5105 states and 7909 transitions. Second operand 10 states. [2020-10-15 02:47:07,712 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:47:08,111 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-15 02:47:08,623 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-15 02:47:08,975 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:47:12,187 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:47:12,535 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:12,744 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:13,249 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:13,613 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:14,225 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:14,588 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:15,141 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:15,458 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:16,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:47:16,704 INFO L93 Difference]: Finished difference Result 16118 states and 25053 transitions. [2020-10-15 02:47:16,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 02:47:16,711 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-10-15 02:47:16,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:47:16,758 INFO L225 Difference]: With dead ends: 16118 [2020-10-15 02:47:16,758 INFO L226 Difference]: Without dead ends: 11283 [2020-10-15 02:47:16,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:47:16,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11283 states. [2020-10-15 02:47:17,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11283 to 10121. [2020-10-15 02:47:17,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10121 states. [2020-10-15 02:47:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10121 states to 10121 states and 15422 transitions. [2020-10-15 02:47:17,660 INFO L78 Accepts]: Start accepts. Automaton has 10121 states and 15422 transitions. Word has length 158 [2020-10-15 02:47:17,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:47:17,661 INFO L479 AbstractCegarLoop]: Abstraction has 10121 states and 15422 transitions. [2020-10-15 02:47:17,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:47:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 10121 states and 15422 transitions. [2020-10-15 02:47:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-15 02:47:17,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:47:17,683 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] [2020-10-15 02:47:17,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:47:17,683 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:47:17,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:47:17,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1035666869, now seen corresponding path program 1 times [2020-10-15 02:47:17,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:47:17,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419930790] [2020-10-15 02:47:17,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:47:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:17,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:17,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:18,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:18,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:18,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:18,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:22,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:22,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:47:22,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:47:22,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 02:47:22,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:22,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:47:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:47:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-15 02:47:22,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:23,107 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:47:23,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:47:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:23,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:23,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:23,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:47:23,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:23,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:47:23,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:23,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:23,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:23,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:47:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:23,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:23,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:23,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:47:23,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:23,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-15 02:47:23,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:23,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:47:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:47:23,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:23,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:47:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:23,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:23,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:23,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:47:23,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:23,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:47:23,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:23,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:23,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:23,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:23,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:47:23,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:23,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:47:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:23,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:23,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:23,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:23,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:23,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:47:23,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:23,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:23,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:23,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:47:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:23,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:23,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:23,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:23,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:23,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:47:23,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:23,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:23,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:23,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:23,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:23,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:23,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:47:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:23,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:23,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:23,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:23,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:23,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:47:23,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:23,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:23,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:23,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:23,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:23,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:47:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:23,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:23,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:23,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:47:23,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:47:23,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:23,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:47:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:47:23,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:23,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-15 02:47:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:23,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:23,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:23,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:47:23,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:23,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:47:23,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:23,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:23,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:23,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:47:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:23,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:47:23,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419930790] [2020-10-15 02:47:23,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:47:23,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:47:23,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998207279] [2020-10-15 02:47:23,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:47:23,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:47:23,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:47:23,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:47:23,650 INFO L87 Difference]: Start difference. First operand 10121 states and 15422 transitions. Second operand 10 states. [2020-10-15 02:47:24,032 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:47:24,418 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-10-15 02:47:24,886 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-10-15 02:47:25,616 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2020-10-15 02:47:31,104 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:47:31,448 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:31,994 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:32,369 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:33,307 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:33,818 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:34,620 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:35,052 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:35,799 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:37,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:47:37,389 INFO L93 Difference]: Finished difference Result 40814 states and 62450 transitions. [2020-10-15 02:47:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:47:37,390 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-10-15 02:47:37,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:47:37,491 INFO L225 Difference]: With dead ends: 40814 [2020-10-15 02:47:37,491 INFO L226 Difference]: Without dead ends: 32089 [2020-10-15 02:47:37,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:47:37,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32089 states. [2020-10-15 02:47:40,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32089 to 28925. [2020-10-15 02:47:40,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28925 states. [2020-10-15 02:47:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28925 states to 28925 states and 43818 transitions. [2020-10-15 02:47:40,804 INFO L78 Accepts]: Start accepts. Automaton has 28925 states and 43818 transitions. Word has length 158 [2020-10-15 02:47:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:47:40,805 INFO L479 AbstractCegarLoop]: Abstraction has 28925 states and 43818 transitions. [2020-10-15 02:47:40,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:47:40,805 INFO L276 IsEmpty]: Start isEmpty. Operand 28925 states and 43818 transitions. [2020-10-15 02:47:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-15 02:47:40,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:47:40,851 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] [2020-10-15 02:47:40,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:47:40,851 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:47:40,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:47:40,851 INFO L82 PathProgramCache]: Analyzing trace with hash 27512358, now seen corresponding path program 1 times [2020-10-15 02:47:40,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:47:40,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [864935554] [2020-10-15 02:47:40,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:47:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:41,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:41,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:41,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:42,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:42,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:42,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:42,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:45,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:45,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-15 02:47:45,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:47:45,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-15 02:47:45,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:45,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:47:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:47:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-15 02:47:45,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,276 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:47:46,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:47:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:47:46,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:47:46,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:47:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:47:46,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 02:47:46,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:47:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:47:46,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:47:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:47:46,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:47:46,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:47:46,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:47:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:46,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:47:46,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:46,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:46,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:47:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:46,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:47:46,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:46,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:47:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:46,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:47:46,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:46,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:46,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:47:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:47:46,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:47:46,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 02:47:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:47:46,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-15 02:47:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:47:46,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:47:46,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:47:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:46,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:47:46,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [864935554] [2020-10-15 02:47:46,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:47:46,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:47:46,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961265611] [2020-10-15 02:47:46,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:47:46,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:47:46,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:47:46,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:47:46,727 INFO L87 Difference]: Start difference. First operand 28925 states and 43818 transitions. Second operand 10 states. [2020-10-15 02:47:47,121 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:47:47,630 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-15 02:47:48,049 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-10-15 02:47:49,389 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2020-10-15 02:47:55,317 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:47:55,653 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:56,214 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:56,808 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:57,582 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:58,032 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:58,836 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:59,271 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:59,790 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:48:02,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:48:02,184 INFO L93 Difference]: Finished difference Result 106585 states and 161198 transitions. [2020-10-15 02:48:02,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:48:02,185 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2020-10-15 02:48:02,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:48:02,409 INFO L225 Difference]: With dead ends: 106585 [2020-10-15 02:48:02,409 INFO L226 Difference]: Without dead ends: 79420 [2020-10-15 02:48:02,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:48:02,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79420 states. [2020-10-15 02:48:08,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79420 to 71872. [2020-10-15 02:48:08,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71872 states. [2020-10-15 02:48:08,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71872 states to 71872 states and 107164 transitions. [2020-10-15 02:48:08,863 INFO L78 Accepts]: Start accepts. Automaton has 71872 states and 107164 transitions. Word has length 159 [2020-10-15 02:48:08,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:48:08,864 INFO L479 AbstractCegarLoop]: Abstraction has 71872 states and 107164 transitions. [2020-10-15 02:48:08,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:48:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 71872 states and 107164 transitions. [2020-10-15 02:48:08,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-15 02:48:08,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:48:08,971 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] [2020-10-15 02:48:08,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:48:08,971 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:48:08,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:48:08,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1980862141, now seen corresponding path program 1 times [2020-10-15 02:48:08,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:48:08,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81902958] [2020-10-15 02:48:08,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:48:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:09,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:09,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:09,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:10,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:10,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:10,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:14,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:14,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-15 02:48:14,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:48:14,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:48:14,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:14,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:14,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:48:14,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-15 02:48:14,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:48:14,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:14,372 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:48:14,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:48:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:14,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:14,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:14,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:48:14,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:48:14,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:14,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:48:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:48:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:48:14,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:14,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:48:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:14,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:14,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:14,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:48:14,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:14,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 02:48:14,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:14,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:14,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:48:14,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:48:14,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 02:48:14,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:14,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:48:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:14,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:14,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:14,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:48:14,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:14,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:48:14,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:14,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:48:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:48:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:48:14,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:14,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:48:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:14,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:14,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:14,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:48:14,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:14,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:48:14,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:14,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:48:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:48:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:48:14,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:14,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:48:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:14,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:14,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:14,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:48:14,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:14,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:48:14,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:14,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:48:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:48:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:48:14,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:14,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:48:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:14,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:14,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:14,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:48:14,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:14,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:48:14,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:14,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:48:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:48:14,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:48:14,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:14,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:48:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:14,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:14,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:14,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:48:14,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:14,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:48:14,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:14,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:48:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:48:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:48:14,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:14,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-15 02:48:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:14,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:14,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:14,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:48:14,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:14,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:48:14,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:14,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:14,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:48:14,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:48:14,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:48:14,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:14,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:48:14,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81902958] [2020-10-15 02:48:14,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:48:14,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:48:14,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000702573] [2020-10-15 02:48:14,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:48:14,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:48:14,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:48:14,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:48:14,714 INFO L87 Difference]: Start difference. First operand 71872 states and 107164 transitions. Second operand 10 states. [2020-10-15 02:48:15,078 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-15 02:48:19,065 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:48:19,876 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:48:20,247 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:48:24,356 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-15 02:48:24,509 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:48:24,781 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:48:25,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:48:25,061 INFO L93 Difference]: Finished difference Result 137460 states and 208314 transitions. [2020-10-15 02:48:25,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 02:48:25,062 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2020-10-15 02:48:25,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:48:25,412 INFO L225 Difference]: With dead ends: 137460 [2020-10-15 02:48:25,412 INFO L226 Difference]: Without dead ends: 104574 [2020-10-15 02:48:25,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:48:25,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104574 states. [2020-10-15 02:48:32,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104574 to 92308. [2020-10-15 02:48:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92308 states. [2020-10-15 02:48:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92308 states to 92308 states and 138004 transitions. [2020-10-15 02:48:32,654 INFO L78 Accepts]: Start accepts. Automaton has 92308 states and 138004 transitions. Word has length 159 [2020-10-15 02:48:32,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:48:32,654 INFO L479 AbstractCegarLoop]: Abstraction has 92308 states and 138004 transitions. [2020-10-15 02:48:32,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:48:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 92308 states and 138004 transitions. [2020-10-15 02:48:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-15 02:48:32,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:48:32,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:48:32,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:48:32,740 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:48:32,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:48:32,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1486878215, now seen corresponding path program 1 times [2020-10-15 02:48:32,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:48:32,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441188136] [2020-10-15 02:48:32,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:48:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:32,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:32,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:32,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:33,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:33,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:36,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:36,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:38,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:38,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 02:48:38,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:48:38,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5701 [2020-10-15 02:48:38,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:38,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:38,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:48:38,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:48:38,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-15 02:48:38,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:38,840 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:48:38,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:48:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:38,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:38,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:38,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:48:38,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:48:38,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:38,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:48:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:48:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:48:38,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:38,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:48:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:38,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:38,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:38,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:48:38,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:38,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-15 02:48:38,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:38,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:48:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:48:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:48:38,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:39,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:48:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:39,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:39,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:39,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:48:39,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:39,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:48:39,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:39,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:39,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:48:39,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:48:39,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:48:39,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:39,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:48:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:39,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:39,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:39,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:48:39,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:39,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:48:39,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:39,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:39,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:48:39,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:48:39,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:48:39,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:39,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:48:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:39,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:39,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:39,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 02:48:39,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:39,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:48:39,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:39,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:48:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:48:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:48:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:39,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-15 02:48:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:39,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:39,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:39,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:48:39,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:39,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:48:39,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:39,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:39,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:48:39,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:48:39,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:48:39,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:39,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-15 02:48:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:39,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:39,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:39,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:48:39,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:39,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:48:39,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:39,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:48:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:48:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:48:39,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:39,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-15 02:48:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:39,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:39,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:48:39,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:48:39,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:48:39,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:48:39,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:48:39,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:48:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:48:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:48:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:48:39,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:48:39,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:48:39,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441188136] [2020-10-15 02:48:39,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:48:39,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:48:39,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228662310] [2020-10-15 02:48:39,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:48:39,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:48:39,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:48:39,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:48:39,306 INFO L87 Difference]: Start difference. First operand 92308 states and 138004 transitions. Second operand 10 states. [2020-10-15 02:48:39,703 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:48:40,094 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-15 02:48:40,640 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-10-15 02:48:41,856 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2020-10-15 02:48:51,370 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:48:51,755 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:48:52,257 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:48:53,067 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:48:54,100 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:48:55,071 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:48:55,300 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:48:56,236 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:48:56,549 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:49:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:49:02,469 INFO L93 Difference]: Finished difference Result 353139 states and 528914 transitions. [2020-10-15 02:49:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:49:02,470 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2020-10-15 02:49:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:49:03,325 INFO L225 Difference]: With dead ends: 353139 [2020-10-15 02:49:03,325 INFO L226 Difference]: Without dead ends: 264636 [2020-10-15 02:49:03,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:49:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264636 states.