/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=NARROWEST --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/eca-rers2012/Problem10_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:02:23,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:02:23,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:02:23,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:02:23,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:02:23,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:02:23,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:02:23,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:02:23,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:02:23,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:02:23,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:02:23,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:02:23,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:02:23,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:02:23,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:02:23,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:02:23,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:02:23,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:02:23,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:02:23,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:02:23,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:02:23,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:02:23,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:02:23,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:02:23,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:02:23,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:02:23,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:02:23,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:02:23,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:02:23,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:02:23,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:02:23,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:02:23,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:02:23,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:02:23,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:02:23,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:02:23,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:02:23,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:02:23,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:02:23,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:02:23,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:02:23,735 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 [2020-10-13 08:02:23,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:02:23,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:02:23,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:02:23,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:02:23,760 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:02:23,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:02:23,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:02:23,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:02:23,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:02:23,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:02:23,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:02:23,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:02:23,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:02:23,762 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:02:23,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:02:23,762 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:02:23,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:02:23,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:02:23,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:02:23,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:02:23,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:02:23,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:02:23,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:02:23,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:02:23,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:02:23,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:02:23,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:02:23,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:02:23,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:02:23,765 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:02:24,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:02:24,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:02:24,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:02:24,100 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:02:24,101 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:02:24,102 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label06.c [2020-10-13 08:02:24,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f2bf2656/b406e32a3fe1435ab9c50e1a8be0c709/FLAGbe1d9fdd3 [2020-10-13 08:02:24,831 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:02:24,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label06.c [2020-10-13 08:02:24,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f2bf2656/b406e32a3fe1435ab9c50e1a8be0c709/FLAGbe1d9fdd3 [2020-10-13 08:02:25,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f2bf2656/b406e32a3fe1435ab9c50e1a8be0c709 [2020-10-13 08:02:25,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:02:25,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:02:25,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:02:25,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:02:25,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:02:25,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:25" (1/1) ... [2020-10-13 08:02:25,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfafcce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25, skipping insertion in model container [2020-10-13 08:02:25,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:25" (1/1) ... [2020-10-13 08:02:25,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:02:25,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:02:25,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:02:25,619 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:02:25,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:02:25,743 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:02:25,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25 WrapperNode [2020-10-13 08:02:25,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:02:25,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:02:25,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:02:25,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:02:25,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25" (1/1) ... [2020-10-13 08:02:25,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25" (1/1) ... [2020-10-13 08:02:25,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25" (1/1) ... [2020-10-13 08:02:25,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25" (1/1) ... [2020-10-13 08:02:25,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25" (1/1) ... [2020-10-13 08:02:25,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25" (1/1) ... [2020-10-13 08:02:25,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25" (1/1) ... [2020-10-13 08:02:25,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:02:25,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:02:25,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:02:25,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:02:25,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25" (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 [2020-10-13 08:02:25,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:02:25,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:02:25,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:02:25,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:02:25,924 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:02:25,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:02:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:02:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:02:25,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:02:25,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:02:25,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:02:27,233 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:02:27,234 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:02:27,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:27 BoogieIcfgContainer [2020-10-13 08:02:27,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:02:27,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:02:27,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:02:27,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:02:27,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:02:25" (1/3) ... [2020-10-13 08:02:27,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151ad76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:27, skipping insertion in model container [2020-10-13 08:02:27,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:25" (2/3) ... [2020-10-13 08:02:27,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151ad76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:27, skipping insertion in model container [2020-10-13 08:02:27,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:27" (3/3) ... [2020-10-13 08:02:27,261 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label06.c [2020-10-13 08:02:27,271 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:02:27,284 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:02:27,298 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:02:27,333 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:02:27,334 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:02:27,335 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:02:27,335 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:02:27,335 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:02:27,336 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:02:27,336 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:02:27,336 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:02:27,362 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:02:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-13 08:02:27,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:27,378 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] [2020-10-13 08:02:27,378 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:27,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:27,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1307500665, now seen corresponding path program 1 times [2020-10-13 08:02:27,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:27,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059290227] [2020-10-13 08:02:27,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:27,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:27,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:27,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 08:02:27,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:27,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-13 08:02:27,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:27,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:02:27,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:02:27,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 08:02:27,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-13 08:02:28,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:28,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:28,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:28,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:28,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:02:28,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:02:28,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:28,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059290227] [2020-10-13 08:02:28,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:02:28,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:02:28,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490479346] [2020-10-13 08:02:28,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:02:28,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:28,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:02:28,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:02:28,153 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-13 08:02:29,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:29,561 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-13 08:02:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:29,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-13 08:02:29,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:29,595 INFO L225 Difference]: With dead ends: 581 [2020-10-13 08:02:29,595 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:02:29,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:29,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:02:29,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-13 08:02:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-13 08:02:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-13 08:02:29,684 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 30 [2020-10-13 08:02:29,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:29,684 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-13 08:02:29,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:02:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-13 08:02:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-13 08:02:29,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:29,689 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:29,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:02:29,690 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:29,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:29,690 INFO L82 PathProgramCache]: Analyzing trace with hash -786244278, now seen corresponding path program 1 times [2020-10-13 08:02:29,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:29,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860970777] [2020-10-13 08:02:29,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:29,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:29,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:30,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:30,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 08:02:30,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:02:30,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 684 [2020-10-13 08:02:30,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:30,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:30,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 08:02:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 08:02:30,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:02:30,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:30,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:30,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:30,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:30,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:30,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:02:30,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:30,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:30,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:30,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:30,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:30,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:30,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:30,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:30,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:30,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-13 08:02:30,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:02:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:30,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860970777] [2020-10-13 08:02:30,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:30,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:30,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386917971] [2020-10-13 08:02:30,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:30,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:30,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:30,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:30,651 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 5 states. [2020-10-13 08:02:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:31,769 INFO L93 Difference]: Finished difference Result 594 states and 802 transitions. [2020-10-13 08:02:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:31,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2020-10-13 08:02:31,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:31,781 INFO L225 Difference]: With dead ends: 594 [2020-10-13 08:02:31,782 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:02:31,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:31,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:02:31,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 443. [2020-10-13 08:02:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 620 transitions. [2020-10-13 08:02:31,853 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 620 transitions. Word has length 100 [2020-10-13 08:02:31,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:31,854 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 620 transitions. [2020-10-13 08:02:31,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 620 transitions. [2020-10-13 08:02:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-13 08:02:31,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:31,860 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:31,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:02:31,860 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:31,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:31,861 INFO L82 PathProgramCache]: Analyzing trace with hash 657298545, now seen corresponding path program 1 times [2020-10-13 08:02:31,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:31,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537559233] [2020-10-13 08:02:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:31,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:31,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:32,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:33,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:33,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:02:33,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:33,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1242 [2020-10-13 08:02:33,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:02:33,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:02:33,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:33,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:33,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:33,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:33,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:33,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:33,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:02:33,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:33,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:33,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:33,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:33,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:33,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:02:33,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:33,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 08:02:33,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:33,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:02:33,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:33,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537559233] [2020-10-13 08:02:33,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:33,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:33,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859773044] [2020-10-13 08:02:33,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:33,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:33,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:33,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:33,469 INFO L87 Difference]: Start difference. First operand 443 states and 620 transitions. Second operand 5 states. [2020-10-13 08:02:34,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:34,259 INFO L93 Difference]: Finished difference Result 893 states and 1259 transitions. [2020-10-13 08:02:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:34,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-10-13 08:02:34,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:34,263 INFO L225 Difference]: With dead ends: 893 [2020-10-13 08:02:34,263 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:34,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:34,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:34,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 617 transitions. [2020-10-13 08:02:34,283 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 617 transitions. Word has length 103 [2020-10-13 08:02:34,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:34,284 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 617 transitions. [2020-10-13 08:02:34,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:34,284 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 617 transitions. [2020-10-13 08:02:34,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-13 08:02:34,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:34,287 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:34,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:02:34,287 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:34,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:34,287 INFO L82 PathProgramCache]: Analyzing trace with hash -2136138939, now seen corresponding path program 1 times [2020-10-13 08:02:34,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:34,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369190879] [2020-10-13 08:02:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:34,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:34,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:34,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:34,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 08:02:34,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:02:34,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-13 08:02:34,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 08:02:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:02:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:34,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:34,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:34,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:34,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:34,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:34,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:02:34,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:34,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:34,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:34,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:34,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:02:34,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-13 08:02:34,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:34,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:34,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:02:34,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:34,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369190879] [2020-10-13 08:02:34,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:34,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:34,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310337898] [2020-10-13 08:02:34,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:34,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:34,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:34,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:34,894 INFO L87 Difference]: Start difference. First operand 443 states and 617 transitions. Second operand 5 states. [2020-10-13 08:02:35,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:35,736 INFO L93 Difference]: Finished difference Result 907 states and 1267 transitions. [2020-10-13 08:02:35,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:35,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-10-13 08:02:35,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:35,742 INFO L225 Difference]: With dead ends: 907 [2020-10-13 08:02:35,742 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:35,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:35,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:35,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:35,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 614 transitions. [2020-10-13 08:02:35,761 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 614 transitions. Word has length 109 [2020-10-13 08:02:35,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:35,762 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 614 transitions. [2020-10-13 08:02:35,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:35,762 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 614 transitions. [2020-10-13 08:02:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 08:02:35,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:35,765 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:35,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:02:35,765 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:35,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:35,766 INFO L82 PathProgramCache]: Analyzing trace with hash -831400030, now seen corresponding path program 1 times [2020-10-13 08:02:35,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:35,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356408616] [2020-10-13 08:02:35,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:35,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:36,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:36,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:36,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:37,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 08:02:37,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:37,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1198 [2020-10-13 08:02:37,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-13 08:02:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:02:37,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:37,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:37,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:37,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:37,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:37,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:02:37,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:37,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:37,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:37,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:37,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 08:02:37,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-13 08:02:37,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:02:37,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:37,374 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:37,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356408616] [2020-10-13 08:02:37,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:37,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:37,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638160669] [2020-10-13 08:02:37,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:37,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:37,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:37,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:37,377 INFO L87 Difference]: Start difference. First operand 443 states and 614 transitions. Second operand 5 states. [2020-10-13 08:02:38,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:38,341 INFO L93 Difference]: Finished difference Result 902 states and 1254 transitions. [2020-10-13 08:02:38,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:38,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-10-13 08:02:38,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:38,345 INFO L225 Difference]: With dead ends: 902 [2020-10-13 08:02:38,345 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:38,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:38,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:38,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 610 transitions. [2020-10-13 08:02:38,361 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 610 transitions. Word has length 152 [2020-10-13 08:02:38,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:38,362 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 610 transitions. [2020-10-13 08:02:38,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 610 transitions. [2020-10-13 08:02:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-13 08:02:38,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:38,364 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:38,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:02:38,365 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:38,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:38,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1939539595, now seen corresponding path program 1 times [2020-10-13 08:02:38,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:38,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867668454] [2020-10-13 08:02:38,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:38,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:38,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:38,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:39,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 08:02:39,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 864 [2020-10-13 08:02:39,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-13 08:02:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:02:39,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:39,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:39,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:39,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:39,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:39,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:39,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:39,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:39,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:39,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:39,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:39,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:39,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:39,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:39,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:02:39,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:39,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:39,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:02:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:39,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:39,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 08:02:39,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 08:02:39,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 08:02:39,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:39,519 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:02:39,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867668454] [2020-10-13 08:02:39,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:39,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:39,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359203085] [2020-10-13 08:02:39,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:39,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:39,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:39,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:39,523 INFO L87 Difference]: Start difference. First operand 443 states and 610 transitions. Second operand 5 states. [2020-10-13 08:02:40,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:40,402 INFO L93 Difference]: Finished difference Result 900 states and 1243 transitions. [2020-10-13 08:02:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:40,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2020-10-13 08:02:40,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:40,409 INFO L225 Difference]: With dead ends: 900 [2020-10-13 08:02:40,409 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:40,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:40,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:40,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:40,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:40,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 608 transitions. [2020-10-13 08:02:40,431 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 608 transitions. Word has length 182 [2020-10-13 08:02:40,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:40,431 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 608 transitions. [2020-10-13 08:02:40,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:40,432 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 608 transitions. [2020-10-13 08:02:40,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-13 08:02:40,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:40,436 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:40,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:02:40,437 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:40,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:40,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1088663067, now seen corresponding path program 1 times [2020-10-13 08:02:40,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:40,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76811343] [2020-10-13 08:02:40,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:40,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:40,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:41,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:41,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:41,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-13 08:02:41,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 848 [2020-10-13 08:02:41,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-10-13 08:02:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:02:41,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:41,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:41,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:41,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:41,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:41,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:41,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:02:41,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:41,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:41,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:41,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:41,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:41,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:41,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:41,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:02:41,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:02:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:41,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:41,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:41,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:02:41,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:41,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 08:02:41,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:41,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:02:41,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:41,669 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:02:41,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76811343] [2020-10-13 08:02:41,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:41,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:41,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955313116] [2020-10-13 08:02:41,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:41,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:41,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:41,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:41,672 INFO L87 Difference]: Start difference. First operand 443 states and 608 transitions. Second operand 5 states. [2020-10-13 08:02:42,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:42,601 INFO L93 Difference]: Finished difference Result 899 states and 1238 transitions. [2020-10-13 08:02:42,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:42,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 190 [2020-10-13 08:02:42,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:42,607 INFO L225 Difference]: With dead ends: 899 [2020-10-13 08:02:42,607 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:42,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:42,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:42,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 606 transitions. [2020-10-13 08:02:42,630 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 606 transitions. Word has length 190 [2020-10-13 08:02:42,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:42,631 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 606 transitions. [2020-10-13 08:02:42,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 606 transitions. [2020-10-13 08:02:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-13 08:02:42,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:42,634 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:42,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:02:42,635 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:42,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:42,635 INFO L82 PathProgramCache]: Analyzing trace with hash -439866795, now seen corresponding path program 1 times [2020-10-13 08:02:42,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:42,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061914982] [2020-10-13 08:02:42,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:42,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:42,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 08:02:43,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:43,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 850 [2020-10-13 08:02:43,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-13 08:02:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:02:43,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:43,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:43,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:43,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:43,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:02:43,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:43,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:43,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:43,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:43,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:43,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:43,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 08:02:43,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:43,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:43,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:02:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:43,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 08:02:43,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:43,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-13 08:02:43,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:43,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:43,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 08:02:43,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:43,944 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:02:43,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061914982] [2020-10-13 08:02:43,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:43,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:43,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834101423] [2020-10-13 08:02:43,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:43,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:43,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:43,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:43,948 INFO L87 Difference]: Start difference. First operand 443 states and 606 transitions. Second operand 5 states. [2020-10-13 08:02:44,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:44,748 INFO L93 Difference]: Finished difference Result 901 states and 1236 transitions. [2020-10-13 08:02:44,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:44,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2020-10-13 08:02:44,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:44,752 INFO L225 Difference]: With dead ends: 901 [2020-10-13 08:02:44,752 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:44,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:44,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:44,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 604 transitions. [2020-10-13 08:02:44,768 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 604 transitions. Word has length 198 [2020-10-13 08:02:44,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:44,769 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 604 transitions. [2020-10-13 08:02:44,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 604 transitions. [2020-10-13 08:02:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-13 08:02:44,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:44,772 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:44,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:02:44,772 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:44,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:44,772 INFO L82 PathProgramCache]: Analyzing trace with hash 20823634, now seen corresponding path program 1 times [2020-10-13 08:02:44,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:44,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [611875507] [2020-10-13 08:02:44,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:44,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:45,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:46,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:46,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-13 08:02:46,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:46,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1401 [2020-10-13 08:02:46,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:46,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:46,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-13 08:02:46,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:02:46,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:46,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:46,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:46,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:46,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:46,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:46,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:46,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:46,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:46,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:46,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:46,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:46,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:46,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:46,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:02:46,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:46,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:02:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:46,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:46,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:46,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:02:46,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:46,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 08:02:46,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:46,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:46,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:46,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:02:46,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:02:46,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [611875507] [2020-10-13 08:02:46,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:46,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:46,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699311475] [2020-10-13 08:02:46,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:46,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:46,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:46,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:46,606 INFO L87 Difference]: Start difference. First operand 443 states and 604 transitions. Second operand 5 states. [2020-10-13 08:02:47,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:47,382 INFO L93 Difference]: Finished difference Result 898 states and 1229 transitions. [2020-10-13 08:02:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:47,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2020-10-13 08:02:47,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:47,386 INFO L225 Difference]: With dead ends: 898 [2020-10-13 08:02:47,386 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:47,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:47,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:47,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 602 transitions. [2020-10-13 08:02:47,403 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 602 transitions. Word has length 219 [2020-10-13 08:02:47,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:47,404 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 602 transitions. [2020-10-13 08:02:47,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 602 transitions. [2020-10-13 08:02:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-13 08:02:47,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:47,407 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:47,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:02:47,408 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:47,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:47,408 INFO L82 PathProgramCache]: Analyzing trace with hash 524841353, now seen corresponding path program 1 times [2020-10-13 08:02:47,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:47,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733187285] [2020-10-13 08:02:47,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:47,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:47,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:47,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:48,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:49,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:49,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-13 08:02:49,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:49,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1798 [2020-10-13 08:02:49,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:49,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-10-13 08:02:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:02:49,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:49,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:49,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:49,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:49,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:49,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:49,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:49,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:49,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:49,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:49,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:49,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:49,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:49,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:49,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:02:49,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:49,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:49,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:02:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:49,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:49,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:49,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 08:02:49,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:49,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-13 08:02:49,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:02:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:02:49,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733187285] [2020-10-13 08:02:49,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:49,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:49,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878362684] [2020-10-13 08:02:49,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:49,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:49,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:49,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:49,676 INFO L87 Difference]: Start difference. First operand 443 states and 602 transitions. Second operand 5 states. [2020-10-13 08:02:50,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:50,822 INFO L93 Difference]: Finished difference Result 897 states and 1224 transitions. [2020-10-13 08:02:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:50,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2020-10-13 08:02:50,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:50,829 INFO L225 Difference]: With dead ends: 897 [2020-10-13 08:02:50,829 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:50,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:50,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:50,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:50,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 600 transitions. [2020-10-13 08:02:50,850 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 600 transitions. Word has length 220 [2020-10-13 08:02:50,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:50,851 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 600 transitions. [2020-10-13 08:02:50,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 600 transitions. [2020-10-13 08:02:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-13 08:02:50,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:50,854 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:50,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:02:50,855 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:50,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:50,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1922665626, now seen corresponding path program 1 times [2020-10-13 08:02:50,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:50,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299231263] [2020-10-13 08:02:50,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:50,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:53,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:53,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-13 08:02:53,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:53,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2206 [2020-10-13 08:02:53,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 207 [2020-10-13 08:02:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:02:53,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:53,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:53,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:53,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:53,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:53,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:53,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:53,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:53,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:53,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:53,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:53,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:53,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:53,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:53,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:53,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:53,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:53,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:02:53,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:53,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:53,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:53,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:53,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:53,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:02:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:53,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:53,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:53,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 08:02:53,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 08:02:53,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:53,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:53,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-13 08:02:53,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:02:53,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299231263] [2020-10-13 08:02:53,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:53,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:53,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451360547] [2020-10-13 08:02:53,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:53,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:53,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:53,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:53,473 INFO L87 Difference]: Start difference. First operand 443 states and 600 transitions. Second operand 5 states. [2020-10-13 08:02:54,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:54,295 INFO L93 Difference]: Finished difference Result 896 states and 1219 transitions. [2020-10-13 08:02:54,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:54,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 225 [2020-10-13 08:02:54,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:54,304 INFO L225 Difference]: With dead ends: 896 [2020-10-13 08:02:54,304 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:54,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:54,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:54,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 598 transitions. [2020-10-13 08:02:54,323 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 598 transitions. Word has length 225 [2020-10-13 08:02:54,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:54,324 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 598 transitions. [2020-10-13 08:02:54,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 598 transitions. [2020-10-13 08:02:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-13 08:02:54,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:54,328 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:54,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:02:54,328 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:54,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:54,330 INFO L82 PathProgramCache]: Analyzing trace with hash 498999234, now seen corresponding path program 1 times [2020-10-13 08:02:54,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:54,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627392237] [2020-10-13 08:02:54,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:54,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:54,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:54,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:56,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:56,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-13 08:02:56,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:56,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1701 [2020-10-13 08:02:56,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-13 08:02:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 08:02:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:56,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:56,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:56,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:56,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:56,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:56,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:02:56,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:56,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:56,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:56,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:56,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:56,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:56,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:56,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:02:56,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:56,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:56,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:02:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:56,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:56,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:56,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 08:02:56,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-13 08:02:56,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:56,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-13 08:02:56,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:02:56,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627392237] [2020-10-13 08:02:56,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:56,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:56,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99266172] [2020-10-13 08:02:56,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:56,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:56,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:56,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:56,559 INFO L87 Difference]: Start difference. First operand 443 states and 598 transitions. Second operand 5 states. [2020-10-13 08:02:57,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:57,351 INFO L93 Difference]: Finished difference Result 892 states and 1211 transitions. [2020-10-13 08:02:57,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:57,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2020-10-13 08:02:57,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:57,356 INFO L225 Difference]: With dead ends: 892 [2020-10-13 08:02:57,356 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:57,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:57,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:57,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 596 transitions. [2020-10-13 08:02:57,373 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 596 transitions. Word has length 227 [2020-10-13 08:02:57,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:57,374 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 596 transitions. [2020-10-13 08:02:57,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 596 transitions. [2020-10-13 08:02:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-13 08:02:57,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:57,378 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:57,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:02:57,378 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:57,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:57,379 INFO L82 PathProgramCache]: Analyzing trace with hash 322331241, now seen corresponding path program 1 times [2020-10-13 08:02:57,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:57,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852543133] [2020-10-13 08:02:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:57,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:57,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:57,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:58,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:58,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-13 08:02:58,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:58,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 901 [2020-10-13 08:02:58,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 218 [2020-10-13 08:02:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:02:58,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:58,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:58,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:58,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:58,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:58,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:58,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:58,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:58,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:58,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:58,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:58,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:58,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:58,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:58,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:02:58,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:58,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:58,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:02:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:58,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:58,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:58,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 08:02:58,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:58,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:02:58,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 08:02:58,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:02:58,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852543133] [2020-10-13 08:02:58,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:58,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:58,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582685078] [2020-10-13 08:02:58,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:58,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:58,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:58,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:58,643 INFO L87 Difference]: Start difference. First operand 443 states and 596 transitions. Second operand 5 states. [2020-10-13 08:02:59,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:59,400 INFO L93 Difference]: Finished difference Result 905 states and 1220 transitions. [2020-10-13 08:02:59,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:59,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-10-13 08:02:59,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:59,407 INFO L225 Difference]: With dead ends: 905 [2020-10-13 08:02:59,407 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:59,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:59,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:02:59,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:02:59,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 594 transitions. [2020-10-13 08:02:59,426 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 594 transitions. Word has length 236 [2020-10-13 08:02:59,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:59,427 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 594 transitions. [2020-10-13 08:02:59,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:59,427 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 594 transitions. [2020-10-13 08:02:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-13 08:02:59,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:59,430 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:59,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:02:59,430 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:59,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:59,431 INFO L82 PathProgramCache]: Analyzing trace with hash 143914566, now seen corresponding path program 1 times [2020-10-13 08:02:59,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:59,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300923932] [2020-10-13 08:02:59,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:59,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:59,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:00,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:01,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-13 08:03:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:03:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2101 [2020-10-13 08:03:01,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:01,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:03:01,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-13 08:03:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:03:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:01,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:01,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:01,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:01,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:01,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:01,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:03:01,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:01,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:01,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:01,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:01,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:01,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:03:01,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:01,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 08:03:01,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:01,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:01,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:01,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:01,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:01,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:03:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:01,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:01,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:01,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:03:01,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:01,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-13 08:03:01,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:01,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:01,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:01,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:03:01,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:03:01,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300923932] [2020-10-13 08:03:01,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:01,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:03:01,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403744708] [2020-10-13 08:03:01,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:03:01,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:01,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:03:01,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:03:01,975 INFO L87 Difference]: Start difference. First operand 443 states and 594 transitions. Second operand 8 states. [2020-10-13 08:03:02,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:02,854 INFO L93 Difference]: Finished difference Result 909 states and 1220 transitions. [2020-10-13 08:03:02,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:03:02,859 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2020-10-13 08:03:02,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:02,862 INFO L225 Difference]: With dead ends: 909 [2020-10-13 08:03:02,862 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:03:02,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:03:02,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:03:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:03:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:03:02,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 592 transitions. [2020-10-13 08:03:02,877 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 592 transitions. Word has length 241 [2020-10-13 08:03:02,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:02,878 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 592 transitions. [2020-10-13 08:03:02,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:03:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 592 transitions. [2020-10-13 08:03:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-13 08:03:02,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:02,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:02,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:03:02,880 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:02,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:02,881 INFO L82 PathProgramCache]: Analyzing trace with hash -896286531, now seen corresponding path program 1 times [2020-10-13 08:03:02,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:02,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86919542] [2020-10-13 08:03:02,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:02,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:03,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:03,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:04,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:04,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:04,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 08:03:04,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:03:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1305 [2020-10-13 08:03:04,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-13 08:03:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:03:04,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:04,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:04,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:04,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:04,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:04,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:04,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:03:04,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:04,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:04,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:04,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:04,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:04,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:04,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:04,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:04,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:03:04,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:04,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:03:04,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:04,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:04,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:03:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:04,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:04,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:04,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:03:04,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:04,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 08:03:04,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:03:04,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:03:04,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86919542] [2020-10-13 08:03:04,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:04,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:04,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887133592] [2020-10-13 08:03:04,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:04,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:04,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:04,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:04,481 INFO L87 Difference]: Start difference. First operand 443 states and 592 transitions. Second operand 5 states. [2020-10-13 08:03:05,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:05,183 INFO L93 Difference]: Finished difference Result 748 states and 987 transitions. [2020-10-13 08:03:05,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:05,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 242 [2020-10-13 08:03:05,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:05,184 INFO L225 Difference]: With dead ends: 748 [2020-10-13 08:03:05,184 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:03:05,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:05,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:03:05,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:03:05,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:03:05,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:03:05,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2020-10-13 08:03:05,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:05,188 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:03:05,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:03:05,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:03:05,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:03:05,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:03:05,475 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 72 [2020-10-13 08:03:05,633 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 72 [2020-10-13 08:03:06,384 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2020-10-13 08:03:06,705 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-10-13 08:03:07,063 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-10-13 08:03:07,068 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:07,068 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-13 08:03:07,069 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:07,069 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:03:07,069 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,069 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,069 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,069 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,069 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,069 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,070 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:03:07,070 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:03:07,070 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:03:07,070 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:03:07,070 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:03:07,071 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:03:07,071 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:03:07,071 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:03:07,071 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:03:07,071 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:03:07,071 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:03:07,071 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:03:07,072 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:03:07,073 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:03:07,074 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:03:07,074 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:03:07,074 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:03:07,074 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:03:07,074 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:03:07,074 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:03:07,074 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:03:07,074 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:03:07,074 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,074 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,075 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,075 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,075 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,075 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:03:07,075 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:03:07,075 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:03:07,075 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:03:07,075 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:03:07,075 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:03:07,076 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:03:07,076 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:03:07,076 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:03:07,076 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:03:07,076 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:03:07,076 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:03:07,076 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:03:07,076 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,076 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:03:07,077 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:03:07,078 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:03:07,079 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:03:07,079 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:03:07,079 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:03:07,079 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:03:07,079 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:03:07,079 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,079 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,079 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,079 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,079 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:03:07,080 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,080 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,080 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:03:07,080 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:03:07,080 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:03:07,080 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:03:07,080 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:03:07,080 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:03:07,080 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:03:07,080 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,081 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:03:07,082 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:03:07,082 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:03:07,082 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:03:07,082 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:03:07,082 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:03:07,082 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:03:07,082 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:03:07,082 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:03:07,082 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:03:07,083 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:03:07,083 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse9 (= ~a1~0 |old(~a1~0)|)) (.cse10 (= ~a10~0 |old(~a10~0)|))) (let ((.cse5 (not (= |old(~a10~0)| 1))) (.cse7 (not (= 7 |old(~a19~0)|))) (.cse2 (not (= 2 |old(~a10~0)|))) (.cse3 (not (= 8 |old(~a19~0)|))) (.cse6 (not (<= |old(~a1~0)| 33))) (.cse8 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse0 (and .cse9 (= ~a19~0 |old(~a19~0)|) .cse10)) (.cse1 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0)))) (and (or (not (<= 592098 |old(~a1~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~a19~0)| 7)) (not (<= 7 |old(~a19~0)|)) (not (<= 221 |old(~a1~0)|)) .cse0 .cse1 (not (<= |old(~a10~0)| 1)) .cse4) (or .cse0 .cse1 (not (= 4 |old(~a10~0)|)) .cse3 .cse4) (or (not (<= |old(~a10~0)| 0)) .cse0) (or (not (<= 331498 |old(~a1~0)|)) .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse7 .cse8 .cse4) (or .cse0 (not (<= |old(~a1~0)| 36)) .cse1 .cse2 .cse3 .cse8 .cse4) (or (not (<= 117 |old(~a1~0)|)) (not (<= |old(~a1~0)| 206)) .cse0 .cse1 .cse2 .cse7 .cse4) (or (not (<= |old(~a1~0)| 6)) .cse0 .cse1 .cse2 (not (<= 0 |old(~a1~0)|)) .cse7 .cse4) (or (not (<= (+ |old(~a1~0)| 437977) 0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 3 |old(~a10~0)|)) (not (= 6 |old(~a19~0)|)) .cse1 .cse6 (and .cse9 (= ~a19~0 6) .cse10) .cse8 .cse4) (or (not (<= 9 |old(~a19~0)|)) .cse0) (or (not (<= |old(~a10~0)| 4)) (not (<= 6 |old(~a19~0)|)) (not (<= (+ |old(~a1~0)| 333899) 0)) (not (<= 4 |old(~a10~0)|)) .cse1 (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse9 (<= ~a19~0 6) .cse10) .cse4)))) [2020-10-13 08:03:07,083 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:03:07,083 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:03:07,084 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:03:07,084 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,084 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,084 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,084 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,084 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,084 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,084 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:03:07,085 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:03:07,085 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:03:07,085 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:03:07,085 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:03:07,085 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:03:07,085 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:03:07,085 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:03:07,085 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:03:07,085 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:03:07,085 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:03:07,086 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:03:07,086 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:03:07,086 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,086 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,086 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,086 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,086 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,086 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,086 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:03:07,087 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:03:07,088 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,088 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,088 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,088 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,088 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,088 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:07,088 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:03:07,088 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:03:07,088 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:03:07,089 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:03:07,089 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:03:07,089 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:03:07,089 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:03:07,089 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:03:07,089 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:03:07,089 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:03:07,089 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:03:07,089 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:03:07,090 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:07,090 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0)) [2020-10-13 08:03:07,090 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:03:07,090 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:07,090 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-13 08:03:07,090 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:07,091 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse4 (= 7 ~a19~0)) (.cse3 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse7 (= ~a10~0 2)) (.cse2 (<= 0 (+ ~a1~0 12))) (.cse5 (<= ~a1~0 33)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (<= ~a10~0 0) (and (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) .cse1 (<= ~a10~0 1) (<= 221 ~a1~0)) (and .cse2 .cse3 .cse4 .cse0 .cse5 .cse1) (and .cse6 .cse0 .cse7 .cse1 (<= (+ ~a1~0 437977) 0)) (and .cse4 .cse0 .cse7 .cse1 (<= 117 ~a1~0) (<= ~a1~0 206)) (and .cse4 .cse0 (<= 0 ~a1~0) .cse7 .cse1 (<= ~a1~0 6)) (and .cse6 (<= 331498 ~a1~0) .cse3 .cse0 .cse1) (and .cse6 .cse0 .cse7 .cse1 (<= 592098 ~a1~0)) (and .cse6 .cse0 .cse1 (= ~a10~0 4)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (and .cse6 .cse2 (<= ~a1~0 36) .cse0 .cse7 .cse1) (and .cse2 (= ~a10~0 3) .cse0 .cse5 .cse1 (= ~a19~0 6)) (and (<= (+ ~a1~0 333899) 0) (<= 6 ~a19~0) .cse0 (<= 4 ~a10~0) (<= ~a10~0 4) .cse1 (<= ~a19~0 6)))) [2020-10-13 08:03:07,091 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:03:07,091 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:03:07,091 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse4 (= 7 ~a19~0)) (.cse3 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse7 (= ~a10~0 2)) (.cse2 (<= 0 (+ ~a1~0 12))) (.cse5 (<= ~a1~0 33)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (<= ~a10~0 0) (and (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) .cse1 (<= ~a10~0 1) (<= 221 ~a1~0)) (and .cse2 .cse3 .cse4 .cse0 .cse5 .cse1) (and .cse6 .cse0 .cse7 .cse1 (<= (+ ~a1~0 437977) 0)) (and .cse4 .cse0 .cse7 .cse1 (<= 117 ~a1~0) (<= ~a1~0 206)) (and .cse4 .cse0 (<= 0 ~a1~0) .cse7 .cse1 (<= ~a1~0 6)) (and .cse6 (<= 331498 ~a1~0) .cse3 .cse0 .cse1) (and .cse6 .cse0 .cse7 .cse1 (<= 592098 ~a1~0)) (and .cse6 .cse0 .cse1 (= ~a10~0 4)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (and .cse6 .cse2 (<= ~a1~0 36) .cse0 .cse7 .cse1) (and .cse2 (= ~a10~0 3) .cse0 .cse5 .cse1 (= ~a19~0 6)) (and (<= (+ ~a1~0 333899) 0) (<= 6 ~a19~0) .cse0 (<= 4 ~a10~0) (<= ~a10~0 4) .cse1 (<= ~a19~0 6)))) [2020-10-13 08:03:07,091 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:07,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:03:07 BoogieIcfgContainer [2020-10-13 08:03:07,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:03:07,123 INFO L168 Benchmark]: Toolchain (without parser) took 42107.62 ms. Allocated memory was 140.0 MB in the beginning and 892.3 MB in the end (delta: 752.4 MB). Free memory was 101.2 MB in the beginning and 827.7 MB in the end (delta: -726.4 MB). Peak memory consumption was 769.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:07,124 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:03:07,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.95 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 170.9 MB in the end (delta: -69.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:07,125 INFO L168 Benchmark]: Boogie Preprocessor took 104.33 ms. Allocated memory is still 205.0 MB. Free memory was 170.9 MB in the beginning and 166.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:07,126 INFO L168 Benchmark]: RCFGBuilder took 1395.33 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.0 MB in the beginning and 182.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:07,127 INFO L168 Benchmark]: TraceAbstraction took 39874.71 ms. Allocated memory was 238.6 MB in the beginning and 892.3 MB in the end (delta: 653.8 MB). Free memory was 180.5 MB in the beginning and 827.7 MB in the end (delta: -647.2 MB). Peak memory consumption was 750.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:07,130 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.95 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 170.9 MB in the end (delta: -69.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.33 ms. Allocated memory is still 205.0 MB. Free memory was 170.9 MB in the beginning and 166.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1395.33 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.0 MB in the beginning and 182.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39874.71 ms. Allocated memory was 238.6 MB in the beginning and 892.3 MB in the end (delta: 653.8 MB). Free memory was 180.5 MB in the beginning and 827.7 MB in the end (delta: -647.2 MB). Peak memory consumption was 750.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 76]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((((a10 <= 0 || (((((a19 <= 7 && 14 == a4) && 7 <= a19) && a12 == 0) && a10 <= 1) && 221 <= a1)) || (((((0 <= a1 + 12 && a10 == 1) && 7 == a19) && 14 == a4) && a1 <= 33) && a12 == 0)) || ((((a19 == 8 && 14 == a4) && a10 == 2) && a12 == 0) && a1 + 437977 <= 0)) || (((((7 == a19 && 14 == a4) && a10 == 2) && a12 == 0) && 117 <= a1) && a1 <= 206)) || (((((7 == a19 && 14 == a4) && 0 <= a1) && a10 == 2) && a12 == 0) && a1 <= 6)) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0)) || ((((a19 == 8 && 14 == a4) && a10 == 2) && a12 == 0) && 592098 <= a1)) || (((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || 9 <= a19) || (((((a19 == 8 && 0 <= a1 + 12) && a1 <= 36) && 14 == a4) && a10 == 2) && a12 == 0)) || (((((0 <= a1 + 12 && a10 == 3) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 == 6)) || ((((((a1 + 333899 <= 0 && 6 <= a19) && 14 == a4) && 4 <= a10) && a10 <= 4) && a12 == 0) && a19 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.8s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 357 SDtfs, 3021 SDslu, 268 SDs, 0 SdLazy, 8593 SolverSat, 325 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 116 SyntacticMatches, 6 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=443occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 201 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 62 PreInvPairs, 94 NumberOfFragments, 915 HoareAnnotationTreeSize, 62 FomulaSimplifications, 2998410 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 663 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 22.0s InterpolantComputationTime, 2674 NumberOfCodeBlocks, 2674 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2659 ConstructedInterpolants, 0 QuantifiedInterpolants, 1360828 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 1228/1252 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...