/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:53:58,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:53:58,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:53:58,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:53:58,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:53:58,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:53:58,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:53:58,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:53:58,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:53:58,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:53:58,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:53:58,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:53:58,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:53:58,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:53:58,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:53:58,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:53:58,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:53:58,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:53:58,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:53:58,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:53:58,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:53:58,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:53:58,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:53:58,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:53:58,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:53:58,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:53:58,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:53:58,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:53:58,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:53:58,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:53:58,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:53:58,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:53:58,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:53:58,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:53:58,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:53:58,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:53:58,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:53:58,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:53:58,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:53:58,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:53:58,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:53:58,692 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 [2020-10-14 20:53:58,736 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:53:58,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:53:58,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:53:58,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:53:58,739 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:53:58,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:53:58,740 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:53:58,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:53:58,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:53:58,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:53:58,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:53:58,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:53:58,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:53:58,742 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:53:58,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:53:58,743 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:53:58,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:53:58,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:53:58,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:53:58,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:53:58,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:53:58,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:53:58,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:53:58,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:53:58,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:53:58,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:53:58,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:53:58,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:53:58,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:53:58,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:53:59,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:53:59,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:53:59,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:53:59,070 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:53:59,070 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:53:59,071 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-10-14 20:53:59,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7470982a1/de378b1ed9b24e86844d106a02eacf30/FLAGebc95373e [2020-10-14 20:53:59,710 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:53:59,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-10-14 20:53:59,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7470982a1/de378b1ed9b24e86844d106a02eacf30/FLAGebc95373e [2020-10-14 20:53:59,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7470982a1/de378b1ed9b24e86844d106a02eacf30 [2020-10-14 20:53:59,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:53:59,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:53:59,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:53:59,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:53:59,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:53:59,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:53:59" (1/1) ... [2020-10-14 20:53:59,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530cd126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:59, skipping insertion in model container [2020-10-14 20:53:59,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:53:59" (1/1) ... [2020-10-14 20:53:59,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:54:00,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:54:00,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:54:00,418 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:54:00,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:54:00,719 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:54:00,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:00 WrapperNode [2020-10-14 20:54:00,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:54:00,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:54:00,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:54:00,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:54:00,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:00" (1/1) ... [2020-10-14 20:54:00,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:00" (1/1) ... [2020-10-14 20:54:00,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:00" (1/1) ... [2020-10-14 20:54:00,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:00" (1/1) ... [2020-10-14 20:54:00,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:00" (1/1) ... [2020-10-14 20:54:00,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:00" (1/1) ... [2020-10-14 20:54:00,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:00" (1/1) ... [2020-10-14 20:54:00,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:54:00,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:54:00,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:54:00,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:54:00,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:00" (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 [2020-10-14 20:54:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:54:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:54:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:54:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:54:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:54:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:54:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:54:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:54:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:54:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:54:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:54:02,701 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:54:02,701 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:54:02,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:54:02 BoogieIcfgContainer [2020-10-14 20:54:02,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:54:02,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:54:02,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:54:02,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:54:02,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:53:59" (1/3) ... [2020-10-14 20:54:02,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb575b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:54:02, skipping insertion in model container [2020-10-14 20:54:02,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:00" (2/3) ... [2020-10-14 20:54:02,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb575b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:54:02, skipping insertion in model container [2020-10-14 20:54:02,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:54:02" (3/3) ... [2020-10-14 20:54:02,718 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label44.c [2020-10-14 20:54:02,729 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:54:02,739 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:54:02,754 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:54:02,782 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:54:02,782 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:54:02,782 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:54:02,782 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:54:02,783 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:54:02,783 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:54:02,783 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:54:02,783 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:54:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:54:02,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-14 20:54:02,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:02,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:02,823 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:02,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:02,829 INFO L82 PathProgramCache]: Analyzing trace with hash 745509942, now seen corresponding path program 1 times [2020-10-14 20:54:02,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:02,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841928840] [2020-10-14 20:54:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:03,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:03,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:03,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:54:03,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:03,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 426 [2020-10-14 20:54:03,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:03,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:03,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:54:03,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:03,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:03,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:03,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:03,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:03,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 20:54:03,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:03,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:03,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:03,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841928840] [2020-10-14 20:54:03,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:54:03,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:54:03,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92853246] [2020-10-14 20:54:03,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:54:03,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:03,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:54:03,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:54:03,672 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:54:05,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:05,284 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-14 20:54:05,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:05,287 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-10-14 20:54:05,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:05,305 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:54:05,305 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:54:05,313 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 [2020-10-14 20:54:05,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:54:05,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-14 20:54:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 20:54:05,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-10-14 20:54:05,394 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 63 [2020-10-14 20:54:05,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:05,395 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-10-14 20:54:05,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:54:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-10-14 20:54:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 20:54:05,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:05,402 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, 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] [2020-10-14 20:54:05,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:54:05,403 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:05,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:05,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1989249747, now seen corresponding path program 1 times [2020-10-14 20:54:05,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:05,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69892516] [2020-10-14 20:54:05,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:05,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:05,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:06,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:07,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:07,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 20:54:07,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:07,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1655 [2020-10-14 20:54:07,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:07,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:54:07,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:07,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:07,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:07,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:07,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:07,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:07,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:54:07,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:07,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:07,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:07,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:07,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:07,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:07,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:07,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:54:07,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:07,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 20:54:07,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:07,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:07,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:07,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:07,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:07,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:07,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69892516] [2020-10-14 20:54:07,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:54:07,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:54:07,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902623493] [2020-10-14 20:54:07,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:07,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:07,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:07,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:07,460 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 7 states. [2020-10-14 20:54:08,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:08,768 INFO L93 Difference]: Finished difference Result 745 states and 1142 transitions. [2020-10-14 20:54:08,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:08,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2020-10-14 20:54:08,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:08,776 INFO L225 Difference]: With dead ends: 745 [2020-10-14 20:54:08,777 INFO L226 Difference]: Without dead ends: 455 [2020-10-14 20:54:08,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:08,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2020-10-14 20:54:08,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 447. [2020-10-14 20:54:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-14 20:54:08,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 656 transitions. [2020-10-14 20:54:08,815 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 656 transitions. Word has length 136 [2020-10-14 20:54:08,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:08,816 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 656 transitions. [2020-10-14 20:54:08,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 656 transitions. [2020-10-14 20:54:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-14 20:54:08,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:08,820 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, 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] [2020-10-14 20:54:08,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:54:08,821 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:08,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:08,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1901765607, now seen corresponding path program 1 times [2020-10-14 20:54:08,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:08,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806255135] [2020-10-14 20:54:08,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:08,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:09,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:09,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:09,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 20:54:09,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-10-14 20:54:09,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:09,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:54:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 20:54:09,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:09,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:09,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:09,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:09,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:09,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:09,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:09,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:09,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:09,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:09,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:54:09,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:09,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:09,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:09,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:54:09,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:09,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 20:54:09,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:09,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:09,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:09,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:09,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806255135] [2020-10-14 20:54:09,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:09,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:09,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848910332] [2020-10-14 20:54:09,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:09,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:09,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:09,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:09,756 INFO L87 Difference]: Start difference. First operand 447 states and 656 transitions. Second operand 5 states. [2020-10-14 20:54:11,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:11,184 INFO L93 Difference]: Finished difference Result 1333 states and 2008 transitions. [2020-10-14 20:54:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:11,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-14 20:54:11,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:11,204 INFO L225 Difference]: With dead ends: 1333 [2020-10-14 20:54:11,204 INFO L226 Difference]: Without dead ends: 892 [2020-10-14 20:54:11,206 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 [2020-10-14 20:54:11,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-10-14 20:54:11,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 745. [2020-10-14 20:54:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-14 20:54:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1038 transitions. [2020-10-14 20:54:11,261 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1038 transitions. Word has length 142 [2020-10-14 20:54:11,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:11,262 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1038 transitions. [2020-10-14 20:54:11,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:11,262 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1038 transitions. [2020-10-14 20:54:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 20:54:11,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:11,266 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, 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] [2020-10-14 20:54:11,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:54:11,267 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:11,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:11,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1506381014, now seen corresponding path program 1 times [2020-10-14 20:54:11,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:11,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958494706] [2020-10-14 20:54:11,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:11,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:11,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:11,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:12,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:12,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-14 20:54:12,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1192 [2020-10-14 20:54:12,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:12,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:54:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:12,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:12,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:12,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:12,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:12,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:12,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:54:12,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:12,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:12,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:12,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:12,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:54:12,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 20:54:12,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:12,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:54:12,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:12,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958494706] [2020-10-14 20:54:12,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:54:12,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:54:12,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168145888] [2020-10-14 20:54:12,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:12,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:12,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:12,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:12,785 INFO L87 Difference]: Start difference. First operand 745 states and 1038 transitions. Second operand 7 states. [2020-10-14 20:54:14,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:14,215 INFO L93 Difference]: Finished difference Result 2112 states and 3082 transitions. [2020-10-14 20:54:14,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:54:14,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 145 [2020-10-14 20:54:14,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:14,228 INFO L225 Difference]: With dead ends: 2112 [2020-10-14 20:54:14,228 INFO L226 Difference]: Without dead ends: 1373 [2020-10-14 20:54:14,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:14,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2020-10-14 20:54:14,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1200. [2020-10-14 20:54:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-14 20:54:14,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1567 transitions. [2020-10-14 20:54:14,279 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1567 transitions. Word has length 145 [2020-10-14 20:54:14,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:14,280 INFO L479 AbstractCegarLoop]: Abstraction has 1200 states and 1567 transitions. [2020-10-14 20:54:14,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1567 transitions. [2020-10-14 20:54:14,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-14 20:54:14,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:14,286 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:14,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:54:14,287 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:14,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:14,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1173404218, now seen corresponding path program 1 times [2020-10-14 20:54:14,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:14,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [818146203] [2020-10-14 20:54:14,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:14,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:14,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:15,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:15,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:15,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-14 20:54:15,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:15,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1249 [2020-10-14 20:54:15,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:15,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:54:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:54:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:15,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:15,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:15,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:15,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:15,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:15,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:15,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:15,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:15,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:15,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:15,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:54:15,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:15,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 20:54:15,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:15,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:15,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:15,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:15,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:15,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:15,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:54:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:15,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:15,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:15,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:54:15,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 20:54:15,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:15,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:54:15,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:15,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [818146203] [2020-10-14 20:54:15,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:15,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:15,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499487490] [2020-10-14 20:54:15,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:15,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:15,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:15,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:15,982 INFO L87 Difference]: Start difference. First operand 1200 states and 1567 transitions. Second operand 7 states. [2020-10-14 20:54:17,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:17,611 INFO L93 Difference]: Finished difference Result 2865 states and 3881 transitions. [2020-10-14 20:54:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:54:17,617 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 215 [2020-10-14 20:54:17,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:17,631 INFO L225 Difference]: With dead ends: 2865 [2020-10-14 20:54:17,631 INFO L226 Difference]: Without dead ends: 1671 [2020-10-14 20:54:17,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:54:17,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2020-10-14 20:54:17,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1498. [2020-10-14 20:54:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1498 states. [2020-10-14 20:54:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 1905 transitions. [2020-10-14 20:54:17,700 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 1905 transitions. Word has length 215 [2020-10-14 20:54:17,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:17,701 INFO L479 AbstractCegarLoop]: Abstraction has 1498 states and 1905 transitions. [2020-10-14 20:54:17,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1905 transitions. [2020-10-14 20:54:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-14 20:54:17,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:17,707 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:17,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:54:17,708 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:17,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:17,708 INFO L82 PathProgramCache]: Analyzing trace with hash -67063383, now seen corresponding path program 1 times [2020-10-14 20:54:17,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:17,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915653527] [2020-10-14 20:54:17,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:17,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:17,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:18,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:19,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:20,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:20,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-14 20:54:20,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:20,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3249 [2020-10-14 20:54:20,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:20,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:20,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:20,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:54:20,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:54:20,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:21,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:21,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:21,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:21,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:21,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:21,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:54:21,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:21,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 20:54:21,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:21,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:21,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:54:21,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:21,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:54:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:54:21,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:21,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 20:54:21,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:54:21,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:21,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915653527] [2020-10-14 20:54:21,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:21,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:54:21,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443850755] [2020-10-14 20:54:21,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:54:21,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:21,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:54:21,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:21,356 INFO L87 Difference]: Start difference. First operand 1498 states and 1905 transitions. Second operand 8 states. [2020-10-14 20:54:23,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:23,305 INFO L93 Difference]: Finished difference Result 3304 states and 4344 transitions. [2020-10-14 20:54:23,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:23,308 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 222 [2020-10-14 20:54:23,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:23,319 INFO L225 Difference]: With dead ends: 3304 [2020-10-14 20:54:23,320 INFO L226 Difference]: Without dead ends: 1812 [2020-10-14 20:54:23,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:54:23,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2020-10-14 20:54:23,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1798. [2020-10-14 20:54:23,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1798 states. [2020-10-14 20:54:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 2350 transitions. [2020-10-14 20:54:23,390 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 2350 transitions. Word has length 222 [2020-10-14 20:54:23,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:23,391 INFO L479 AbstractCegarLoop]: Abstraction has 1798 states and 2350 transitions. [2020-10-14 20:54:23,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:54:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2350 transitions. [2020-10-14 20:54:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-14 20:54:23,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:23,397 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:23,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:54:23,399 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:23,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:23,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1724488413, now seen corresponding path program 1 times [2020-10-14 20:54:23,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:23,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820054216] [2020-10-14 20:54:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:23,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:23,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:23,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:25,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:27,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-14 20:54:27,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:27,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4198 [2020-10-14 20:54:27,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:27,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 20:54:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:54:27,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:27,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:27,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:27,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:27,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:27,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:54:27,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:27,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:27,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:27,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:27,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:27,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:27,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:27,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:54:27,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:27,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 20:54:27,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:27,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:54:27,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:27,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 20:54:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:27,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:28,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:28,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:54:28,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:28,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 20:54:28,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:28,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:54:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:28,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820054216] [2020-10-14 20:54:28,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:28,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:28,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966121616] [2020-10-14 20:54:28,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:28,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:28,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:28,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:28,110 INFO L87 Difference]: Start difference. First operand 1798 states and 2350 transitions. Second operand 7 states. [2020-10-14 20:54:29,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:29,679 INFO L93 Difference]: Finished difference Result 4500 states and 6094 transitions. [2020-10-14 20:54:29,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:29,680 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-10-14 20:54:29,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:29,697 INFO L225 Difference]: With dead ends: 4500 [2020-10-14 20:54:29,697 INFO L226 Difference]: Without dead ends: 2708 [2020-10-14 20:54:29,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:29,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2020-10-14 20:54:29,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 2543. [2020-10-14 20:54:29,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2543 states. [2020-10-14 20:54:29,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2543 states and 3305 transitions. [2020-10-14 20:54:29,785 INFO L78 Accepts]: Start accepts. Automaton has 2543 states and 3305 transitions. Word has length 232 [2020-10-14 20:54:29,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:29,786 INFO L479 AbstractCegarLoop]: Abstraction has 2543 states and 3305 transitions. [2020-10-14 20:54:29,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 3305 transitions. [2020-10-14 20:54:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-14 20:54:29,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:29,794 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:29,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:54:29,795 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:29,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:29,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1129227174, now seen corresponding path program 1 times [2020-10-14 20:54:29,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:29,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334217955] [2020-10-14 20:54:29,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:29,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:29,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:30,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:30,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:34,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:34,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 20:54:34,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:34,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4837 [2020-10-14 20:54:34,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:34,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:34,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:34,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 20:54:34,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:54:34,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:34,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:34,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:34,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:34,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:34,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:54:34,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:34,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:34,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:34,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:34,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:34,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:54:34,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:34,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 20:54:34,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:34,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:34,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:34,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:54:34,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:34,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 20:54:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:34,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:35,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:35,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:54:35,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:35,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 20:54:35,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:35,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:35,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:35,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:35,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:54:35,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:35,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334217955] [2020-10-14 20:54:35,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:35,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:35,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428748805] [2020-10-14 20:54:35,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:35,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:35,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:35,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:35,148 INFO L87 Difference]: Start difference. First operand 2543 states and 3305 transitions. Second operand 7 states. [2020-10-14 20:54:37,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:37,043 INFO L93 Difference]: Finished difference Result 5960 states and 7847 transitions. [2020-10-14 20:54:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:37,044 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2020-10-14 20:54:37,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:37,063 INFO L225 Difference]: With dead ends: 5960 [2020-10-14 20:54:37,064 INFO L226 Difference]: Without dead ends: 3423 [2020-10-14 20:54:37,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:37,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3423 states. [2020-10-14 20:54:37,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3423 to 3133. [2020-10-14 20:54:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3133 states. [2020-10-14 20:54:37,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4166 transitions. [2020-10-14 20:54:37,199 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4166 transitions. Word has length 241 [2020-10-14 20:54:37,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:37,200 INFO L479 AbstractCegarLoop]: Abstraction has 3133 states and 4166 transitions. [2020-10-14 20:54:37,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:37,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4166 transitions. [2020-10-14 20:54:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-14 20:54:37,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:37,209 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:37,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:54:37,209 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:37,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:37,210 INFO L82 PathProgramCache]: Analyzing trace with hash 725801418, now seen corresponding path program 1 times [2020-10-14 20:54:37,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:37,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322007974] [2020-10-14 20:54:37,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:37,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:37,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:37,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:37,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:41,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-14 20:54:41,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:41,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3917 [2020-10-14 20:54:41,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:41,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:54:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:54:41,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:41,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:41,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:41,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:41,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:41,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:41,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:41,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:41,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:41,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:41,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:41,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:54:41,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:41,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 20:54:41,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:41,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:41,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:41,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:54:41,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:41,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:54:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:41,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:41,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:54:41,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:41,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-14 20:54:41,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:41,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:54:41,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:41,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322007974] [2020-10-14 20:54:41,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:41,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:41,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193980221] [2020-10-14 20:54:41,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:41,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:41,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:41,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:41,782 INFO L87 Difference]: Start difference. First operand 3133 states and 4166 transitions. Second operand 7 states. [2020-10-14 20:54:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:43,480 INFO L93 Difference]: Finished difference Result 6564 states and 8729 transitions. [2020-10-14 20:54:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:43,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 259 [2020-10-14 20:54:43,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:43,502 INFO L225 Difference]: With dead ends: 6564 [2020-10-14 20:54:43,503 INFO L226 Difference]: Without dead ends: 3437 [2020-10-14 20:54:43,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:43,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2020-10-14 20:54:43,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 3288. [2020-10-14 20:54:43,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3288 states. [2020-10-14 20:54:43,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 3288 states and 4359 transitions. [2020-10-14 20:54:43,635 INFO L78 Accepts]: Start accepts. Automaton has 3288 states and 4359 transitions. Word has length 259 [2020-10-14 20:54:43,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:43,636 INFO L479 AbstractCegarLoop]: Abstraction has 3288 states and 4359 transitions. [2020-10-14 20:54:43,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:43,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3288 states and 4359 transitions. [2020-10-14 20:54:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-14 20:54:43,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:43,650 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:43,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:54:43,651 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:43,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:43,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1033891418, now seen corresponding path program 1 times [2020-10-14 20:54:43,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:43,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21855129] [2020-10-14 20:54:43,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:43,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:43,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:44,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:44,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:45,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:45,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-14 20:54:45,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:45,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1498 [2020-10-14 20:54:45,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:45,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:54:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:54:45,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:45,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:45,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:45,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:45,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:45,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:45,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:54:45,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:45,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:45,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:45,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:45,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:45,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:45,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:45,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:45,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:45,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:54:45,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:45,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 20:54:45,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:45,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:45,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:45,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:54:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:45,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:45,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:45,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:54:45,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:54:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:45,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21855129] [2020-10-14 20:54:45,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:45,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:54:45,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806320064] [2020-10-14 20:54:45,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:54:45,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:45,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:54:45,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:45,627 INFO L87 Difference]: Start difference. First operand 3288 states and 4359 transitions. Second operand 8 states. [2020-10-14 20:54:48,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:48,181 INFO L93 Difference]: Finished difference Result 7859 states and 10358 transitions. [2020-10-14 20:54:48,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:54:48,182 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 261 [2020-10-14 20:54:48,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:48,202 INFO L225 Difference]: With dead ends: 7859 [2020-10-14 20:54:48,203 INFO L226 Difference]: Without dead ends: 3699 [2020-10-14 20:54:48,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-14 20:54:48,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3699 states. [2020-10-14 20:54:48,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 2539. [2020-10-14 20:54:48,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2539 states. [2020-10-14 20:54:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2539 states and 2950 transitions. [2020-10-14 20:54:48,291 INFO L78 Accepts]: Start accepts. Automaton has 2539 states and 2950 transitions. Word has length 261 [2020-10-14 20:54:48,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:48,292 INFO L479 AbstractCegarLoop]: Abstraction has 2539 states and 2950 transitions. [2020-10-14 20:54:48,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:54:48,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 2950 transitions. [2020-10-14 20:54:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-14 20:54:48,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:48,300 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:48,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:54:48,300 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:48,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:48,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1389322518, now seen corresponding path program 1 times [2020-10-14 20:54:48,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:48,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078459190] [2020-10-14 20:54:48,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:48,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:48,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:48,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:51,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:51,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-14 20:54:51,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:51,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3213 [2020-10-14 20:54:51,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:51,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:51,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:51,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:51,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:54:51,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:51,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:51,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:51,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:51,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:51,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:51,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:54:51,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:51,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:51,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:51,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:51,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:51,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:51,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:51,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:51,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:51,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:54:51,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:51,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 20:54:51,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:51,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:54:51,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:51,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 20:54:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:51,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:51,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:51,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:54:51,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:51,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 20:54:51,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:51,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:51,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:51,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:54:51,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 112 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:54:52,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078459190] [2020-10-14 20:54:52,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:52,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:52,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782817667] [2020-10-14 20:54:52,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:52,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:52,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:52,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:52,072 INFO L87 Difference]: Start difference. First operand 2539 states and 2950 transitions. Second operand 7 states. [2020-10-14 20:54:53,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:53,412 INFO L93 Difference]: Finished difference Result 5519 states and 6395 transitions. [2020-10-14 20:54:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:53,417 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 269 [2020-10-14 20:54:53,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:53,429 INFO L225 Difference]: With dead ends: 5519 [2020-10-14 20:54:53,430 INFO L226 Difference]: Without dead ends: 2986 [2020-10-14 20:54:53,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:53,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2020-10-14 20:54:53,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2686. [2020-10-14 20:54:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2686 states. [2020-10-14 20:54:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 3103 transitions. [2020-10-14 20:54:53,500 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 3103 transitions. Word has length 269 [2020-10-14 20:54:53,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:53,501 INFO L479 AbstractCegarLoop]: Abstraction has 2686 states and 3103 transitions. [2020-10-14 20:54:53,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3103 transitions. [2020-10-14 20:54:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-14 20:54:53,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:53,509 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-14 20:54:53,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:54:53,510 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:53,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:53,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1935587554, now seen corresponding path program 1 times [2020-10-14 20:54:53,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:53,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132935548] [2020-10-14 20:54:53,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:53,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:53,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:54,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:55,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:55,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-14 20:54:55,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:55,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1613 [2020-10-14 20:54:55,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:55,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:54:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:54:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:55,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:55,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:55,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:55,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:55,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:55,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:55,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:55,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:55,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:55,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:55,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:55,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:55,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:54:55,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:55,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 20:54:55,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:55,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:55,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:55,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:55,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:54:55,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:55,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:54:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:55,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:55,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:55,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:54:55,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:55,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 20:54:55,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:55,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:54:55,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 224 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:55,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132935548] [2020-10-14 20:54:55,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:55,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:55,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245436132] [2020-10-14 20:54:55,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:55,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:55,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:55,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:55,741 INFO L87 Difference]: Start difference. First operand 2686 states and 3103 transitions. Second operand 7 states. [2020-10-14 20:54:57,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:57,214 INFO L93 Difference]: Finished difference Result 5956 states and 6947 transitions. [2020-10-14 20:54:57,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:54:57,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 297 [2020-10-14 20:54:57,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:57,240 INFO L225 Difference]: With dead ends: 5956 [2020-10-14 20:54:57,241 INFO L226 Difference]: Without dead ends: 3419 [2020-10-14 20:54:57,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:54:57,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2020-10-14 20:54:57,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3264. [2020-10-14 20:54:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3264 states. [2020-10-14 20:54:57,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 3264 states and 3722 transitions. [2020-10-14 20:54:57,316 INFO L78 Accepts]: Start accepts. Automaton has 3264 states and 3722 transitions. Word has length 297 [2020-10-14 20:54:57,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:57,317 INFO L479 AbstractCegarLoop]: Abstraction has 3264 states and 3722 transitions. [2020-10-14 20:54:57,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 3722 transitions. [2020-10-14 20:54:57,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-14 20:54:57,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:57,327 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-14 20:54:57,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:54:57,328 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:57,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:57,328 INFO L82 PathProgramCache]: Analyzing trace with hash 960007530, now seen corresponding path program 1 times [2020-10-14 20:54:57,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:57,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903073386] [2020-10-14 20:54:57,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:57,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:57,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:57,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:59,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:59,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-14 20:54:59,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:59,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1792 [2020-10-14 20:54:59,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:59,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 20:54:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:54:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-14 20:54:59,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:59,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:59,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:59,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:59,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:59,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:59,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:59,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:59,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:59,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:59,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:59,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:59,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:59,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:54:59,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:59,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 20:54:59,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:59,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:54:59,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:59,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:54:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:59,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:59,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:59,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 20:54:59,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:59,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 20:54:59,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:59,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:59,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:54:59,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:59,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:54:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 209 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:59,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903073386] [2020-10-14 20:54:59,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:59,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:54:59,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186145085] [2020-10-14 20:54:59,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:54:59,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:59,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:54:59,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:59,733 INFO L87 Difference]: Start difference. First operand 3264 states and 3722 transitions. Second operand 8 states. [2020-10-14 20:55:01,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:01,333 INFO L93 Difference]: Finished difference Result 4742 states and 5387 transitions. [2020-10-14 20:55:01,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:55:01,333 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 319 [2020-10-14 20:55:01,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:01,348 INFO L225 Difference]: With dead ends: 4742 [2020-10-14 20:55:01,348 INFO L226 Difference]: Without dead ends: 4577 [2020-10-14 20:55:01,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:01,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4577 states. [2020-10-14 20:55:01,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4577 to 4001. [2020-10-14 20:55:01,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4001 states. [2020-10-14 20:55:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 4001 states and 4603 transitions. [2020-10-14 20:55:01,466 INFO L78 Accepts]: Start accepts. Automaton has 4001 states and 4603 transitions. Word has length 319 [2020-10-14 20:55:01,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:01,467 INFO L479 AbstractCegarLoop]: Abstraction has 4001 states and 4603 transitions. [2020-10-14 20:55:01,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:55:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4001 states and 4603 transitions. [2020-10-14 20:55:01,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2020-10-14 20:55:01,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:01,478 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:01,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:55:01,478 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:01,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:01,479 INFO L82 PathProgramCache]: Analyzing trace with hash 862943534, now seen corresponding path program 1 times [2020-10-14 20:55:01,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:01,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793117210] [2020-10-14 20:55:01,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:01,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:01,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 391 [2020-10-14 20:55:02,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:02,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 790 [2020-10-14 20:55:02,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:02,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 328 [2020-10-14 20:55:02,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 20:55:02,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:02,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:02,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:02,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:02,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:02,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:02,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:02,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:02,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:02,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:02,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:55:02,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:02,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 20:55:02,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:02,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:02,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:55:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:02,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:55:02,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:02,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:55:02,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:02,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:02,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:02,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 20:55:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:02,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 20:55:02,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:02,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 20:55:02,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:55:02,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 171 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-14 20:55:02,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793117210] [2020-10-14 20:55:02,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:02,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:55:02,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872508079] [2020-10-14 20:55:02,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:02,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:02,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:02,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:02,624 INFO L87 Difference]: Start difference. First operand 4001 states and 4603 transitions. Second operand 5 states. [2020-10-14 20:55:03,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:03,744 INFO L93 Difference]: Finished difference Result 8000 states and 9197 transitions. [2020-10-14 20:55:03,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:03,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 377 [2020-10-14 20:55:03,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:03,763 INFO L225 Difference]: With dead ends: 8000 [2020-10-14 20:55:03,764 INFO L226 Difference]: Without dead ends: 3997 [2020-10-14 20:55:03,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:03,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3997 states. [2020-10-14 20:55:03,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3997 to 3991. [2020-10-14 20:55:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3991 states. [2020-10-14 20:55:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3991 states to 3991 states and 4414 transitions. [2020-10-14 20:55:03,847 INFO L78 Accepts]: Start accepts. Automaton has 3991 states and 4414 transitions. Word has length 377 [2020-10-14 20:55:03,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:03,848 INFO L479 AbstractCegarLoop]: Abstraction has 3991 states and 4414 transitions. [2020-10-14 20:55:03,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:03,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3991 states and 4414 transitions. [2020-10-14 20:55:03,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2020-10-14 20:55:03,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:03,856 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:03,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 20:55:03,857 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:03,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:03,857 INFO L82 PathProgramCache]: Analyzing trace with hash -492422335, now seen corresponding path program 1 times [2020-10-14 20:55:03,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:03,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [288934115] [2020-10-14 20:55:03,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:03,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:04,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:05,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:05,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:05,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 398 [2020-10-14 20:55:05,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:55:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1864 [2020-10-14 20:55:05,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:05,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:55:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 20:55:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:05,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:05,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:05,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:05,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:05,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:05,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:05,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:05,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:05,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:05,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:05,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:05,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:05,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:55:05,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 20:55:05,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:05,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:55:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:05,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:55:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:05,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:06,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:06,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:55:06,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:06,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 20:55:06,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:06,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:55:06,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:06,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 20:55:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:06,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:06,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:06,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:55:06,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:06,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 20:55:06,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:06,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:06,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:55:06,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:06,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 256 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 20:55:06,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [288934115] [2020-10-14 20:55:06,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:06,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:06,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901063289] [2020-10-14 20:55:06,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:06,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:06,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:06,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:06,330 INFO L87 Difference]: Start difference. First operand 3991 states and 4414 transitions. Second operand 7 states. [2020-10-14 20:55:07,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:07,792 INFO L93 Difference]: Finished difference Result 8421 states and 9309 transitions. [2020-10-14 20:55:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:55:07,793 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 384 [2020-10-14 20:55:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:07,805 INFO L225 Difference]: With dead ends: 8421 [2020-10-14 20:55:07,806 INFO L226 Difference]: Without dead ends: 4579 [2020-10-14 20:55:07,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:07,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4579 states. [2020-10-14 20:55:07,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4579 to 4571. [2020-10-14 20:55:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4571 states. [2020-10-14 20:55:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4571 states to 4571 states and 5018 transitions. [2020-10-14 20:55:07,892 INFO L78 Accepts]: Start accepts. Automaton has 4571 states and 5018 transitions. Word has length 384 [2020-10-14 20:55:07,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:07,893 INFO L479 AbstractCegarLoop]: Abstraction has 4571 states and 5018 transitions. [2020-10-14 20:55:07,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 4571 states and 5018 transitions. [2020-10-14 20:55:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2020-10-14 20:55:07,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:07,902 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:07,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 20:55:07,902 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:07,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:07,903 INFO L82 PathProgramCache]: Analyzing trace with hash 288742962, now seen corresponding path program 1 times [2020-10-14 20:55:07,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:07,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1331511129] [2020-10-14 20:55:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:08,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:08,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:09,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:09,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 417 [2020-10-14 20:55:09,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:09,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1297 [2020-10-14 20:55:09,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:09,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:09,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:09,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-14 20:55:09,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 20:55:09,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:09,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:09,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:09,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:09,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:09,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:09,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:55:09,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:09,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:09,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:09,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:09,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:09,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:09,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:09,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:09,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:09,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:55:09,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 20:55:09,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:09,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:09,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:09,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:09,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:09,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:09,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:55:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:09,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:09,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:09,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:55:09,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:09,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 20:55:09,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:09,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:09,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:09,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:09,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-14 20:55:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:09,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:09,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:09,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:55:09,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:09,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 20:55:09,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:09,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 20:55:09,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 171 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-14 20:55:09,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1331511129] [2020-10-14 20:55:09,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:09,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:55:09,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855381312] [2020-10-14 20:55:09,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:09,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:09,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:09,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:09,593 INFO L87 Difference]: Start difference. First operand 4571 states and 5018 transitions. Second operand 5 states. [2020-10-14 20:55:10,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:10,678 INFO L93 Difference]: Finished difference Result 8850 states and 9712 transitions. [2020-10-14 20:55:10,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:10,681 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 403 [2020-10-14 20:55:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:10,691 INFO L225 Difference]: With dead ends: 8850 [2020-10-14 20:55:10,691 INFO L226 Difference]: Without dead ends: 4281 [2020-10-14 20:55:10,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:10,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2020-10-14 20:55:10,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4273. [2020-10-14 20:55:10,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4273 states. [2020-10-14 20:55:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 4273 states and 4595 transitions. [2020-10-14 20:55:10,792 INFO L78 Accepts]: Start accepts. Automaton has 4273 states and 4595 transitions. Word has length 403 [2020-10-14 20:55:10,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:10,793 INFO L479 AbstractCegarLoop]: Abstraction has 4273 states and 4595 transitions. [2020-10-14 20:55:10,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:10,793 INFO L276 IsEmpty]: Start isEmpty. Operand 4273 states and 4595 transitions. [2020-10-14 20:55:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2020-10-14 20:55:10,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:10,804 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:10,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 20:55:10,804 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:10,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:10,805 INFO L82 PathProgramCache]: Analyzing trace with hash -386787350, now seen corresponding path program 1 times [2020-10-14 20:55:10,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:10,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096064103] [2020-10-14 20:55:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 417 [2020-10-14 20:55:11,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:11,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 817 [2020-10-14 20:55:11,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-14 20:55:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 20:55:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:11,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:11,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:11,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:11,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:55:11,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:11,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:11,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:55:11,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:11,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 20:55:11,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:11,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:11,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:11,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:11,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:55:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:11,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:55:11,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:11,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 20:55:11,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:11,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:11,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-14 20:55:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:11,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 20:55:11,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:11,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 20:55:11,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:11,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 20:55:11,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 171 proven. 3 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2020-10-14 20:55:11,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096064103] [2020-10-14 20:55:11,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:11,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:55:11,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659320796] [2020-10-14 20:55:12,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:12,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:12,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:12,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:12,000 INFO L87 Difference]: Start difference. First operand 4273 states and 4595 transitions. Second operand 5 states. [2020-10-14 20:55:12,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:12,966 INFO L93 Difference]: Finished difference Result 4279 states and 4601 transitions. [2020-10-14 20:55:12,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:12,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 403 [2020-10-14 20:55:12,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:12,967 INFO L225 Difference]: With dead ends: 4279 [2020-10-14 20:55:12,967 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:55:12,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:12,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:55:12,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:55:12,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:55:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:55:12,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 403 [2020-10-14 20:55:12,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:12,976 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:55:12,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:12,976 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:55:12,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:55:12,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 20:55:12,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:55:13,931 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 146 [2020-10-14 20:55:14,262 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 146 [2020-10-14 20:55:15,410 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 240 DAG size of output: 54 [2020-10-14 20:55:15,799 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 44 [2020-10-14 20:55:16,204 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 44 [2020-10-14 20:55:16,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:55:16,209 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)|)) [2020-10-14 20:55:16,209 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:55:16,209 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:55:16,209 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,209 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,209 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,209 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,209 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,209 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,209 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:55:16,210 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:55:16,210 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:55:16,210 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:55:16,210 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:55:16,210 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:55:16,210 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:55:16,210 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:55:16,210 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:55:16,210 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:55:16,210 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:55:16,211 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,211 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,211 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,211 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,211 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,211 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:55:16,211 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:55:16,211 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-10-14 20:55:16,212 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:55:16,213 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,213 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,213 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,213 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,213 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,213 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:55:16,213 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:55:16,213 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:55:16,213 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:55:16,214 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:55:16,214 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:55:16,214 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:55:16,214 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:55:16,214 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:55:16,214 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:55:16,214 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,214 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,214 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,214 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,215 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,215 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:55:16,215 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:55:16,215 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:55:16,215 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:55:16,215 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:55:16,215 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:55:16,215 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:55:16,215 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:55:16,216 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:55:16,216 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:55:16,216 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:55:16,216 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:55:16,216 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:55:16,216 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,216 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,216 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,216 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,217 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,217 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:55:16,217 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:55:16,217 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:55:16,217 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:55:16,217 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:55:16,217 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:55:16,217 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:55:16,217 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:55:16,217 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:55:16,218 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,218 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,218 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,218 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,218 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,218 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,218 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,218 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:55:16,219 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:55:16,219 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:55:16,219 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:55:16,219 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:55:16,219 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:55:16,219 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:55:16,219 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:55:16,219 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:55:16,219 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:55:16,219 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:55:16,220 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:55:16,220 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:55:16,220 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,220 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,220 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,220 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,220 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:55:16,220 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,220 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,221 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:55:16,221 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:55:16,221 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:55:16,221 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:55:16,221 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:55:16,221 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:55:16,221 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:55:16,221 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:55:16,222 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:55:16,222 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:55:16,222 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:55:16,222 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:55:16,222 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:55:16,222 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,222 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,222 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,222 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,223 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,223 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,223 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:55:16,223 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:55:16,223 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:55:16,223 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:55:16,223 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:55:16,223 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:55:16,223 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:55:16,224 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:55:16,224 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:55:16,224 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:55:16,224 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:55:16,224 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~a10~0)|))) (.cse2 (not (= 9 |old(~a19~0)|))) (.cse4 (not (<= 3 |old(~a10~0)|))) (.cse3 (not (<= |old(~a19~0)| 8))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 .cse1 (not (<= |old(~a1~0)| 505272))) (or .cse0 .cse2 .cse1) (or (not (<= 9 |old(~a19~0)|)) (not (= |old(~a10~0)| 1)) .cse0) (or .cse3 .cse0 (not (<= (+ |old(~a1~0)| 75821) 0))) (or .cse0 .cse2 .cse4) (or .cse0 (not (= 2 |old(~a10~0)|))) (or .cse3 .cse0 .cse4) (or (not (<= |old(~a19~0)| 7)) .cse0) (or .cse3 (not (<= 331498 |old(~a1~0)|)) .cse0))) [2020-10-14 20:55:16,224 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:55:16,224 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:55:16,225 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:55:16,225 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,225 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,225 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,225 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,225 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,225 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,225 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:55:16,225 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:55:16,225 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,226 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:55:16,227 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:55:16,228 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:55:16,229 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:55:16,229 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:55:16,229 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:55:16,229 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:55:16,229 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:55:16,229 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:55:16,229 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:55:16,229 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:55:16,230 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:55:16,230 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-14 20:55:16,230 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:55:16,230 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:55:16,230 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|))) [2020-10-14 20:55:16,230 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:55:16,231 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse2 (<= 3 ~a10~0)) (.cse1 (= ~a10~0 0))) (or (<= ~a19~0 7) (and (<= 331498 ~a1~0) .cse0) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse0 (<= (+ ~a1~0 75821) 0)) (not (= 0 |old(~a10~0)|)) (and .cse1 (<= ~a1~0 505272)) (and (= ~a10~0 1) (<= 9 ~a19~0)) (and .cse2 .cse0) (and .cse2 (= ~a19~0 9)) (and .cse1 (= ~a19~0 |old(~a19~0)|)))) [2020-10-14 20:55:16,231 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:55:16,231 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:55:16,231 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse2 (<= 3 ~a10~0)) (.cse1 (= ~a10~0 0))) (or (<= ~a19~0 7) (and (<= 331498 ~a1~0) .cse0) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse0 (<= (+ ~a1~0 75821) 0)) (not (= 0 |old(~a10~0)|)) (and .cse1 (<= ~a1~0 505272)) (and (= ~a10~0 1) (<= 9 ~a19~0)) (and .cse2 .cse0) (and .cse2 (= ~a19~0 9)) (and .cse1 (= ~a19~0 |old(~a19~0)|)))) [2020-10-14 20:55:16,231 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:55:16,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:55:16 BoogieIcfgContainer [2020-10-14 20:55:16,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:55:16,255 INFO L168 Benchmark]: Toolchain (without parser) took 76322.51 ms. Allocated memory was 146.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 102.3 MB in the beginning and 87.5 MB in the end (delta: 14.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-14 20:55:16,255 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 20:55:16,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.56 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 101.8 MB in the beginning and 170.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:16,257 INFO L168 Benchmark]: Boogie Preprocessor took 145.02 ms. Allocated memory is still 206.0 MB. Free memory was 170.3 MB in the beginning and 166.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:16,258 INFO L168 Benchmark]: RCFGBuilder took 1841.72 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 166.2 MB in the beginning and 175.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:16,258 INFO L168 Benchmark]: TraceAbstraction took 73543.18 ms. Allocated memory was 235.9 MB in the beginning and 1.2 GB in the end (delta: 950.5 MB). Free memory was 175.6 MB in the beginning and 87.5 MB in the end (delta: 88.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-14 20:55:16,261 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 786.56 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 101.8 MB in the beginning and 170.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.02 ms. Allocated memory is still 206.0 MB. Free memory was 170.3 MB in the beginning and 166.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1841.72 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 166.2 MB in the beginning and 175.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 73543.18 ms. Allocated memory was 235.9 MB in the beginning and 1.2 GB in the end (delta: 950.5 MB). Free memory was 175.6 MB in the beginning and 87.5 MB in the end (delta: 88.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: ((((((((((a19 <= 7 || (331498 <= a1 && a19 <= 8)) || a10 == 2) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || (a19 <= 8 && a1 + 75821 <= 0)) || !(0 == \old(a10))) || (a10 == 0 && a1 <= 505272)) || (a10 == 1 && 9 <= a19)) || (3 <= a10 && a19 <= 8)) || (3 <= a10 && a19 == 9)) || (a10 == 0 && a19 == \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 70.1s, OverallIterations: 17, TraceHistogramMax: 4, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 480 SDtfs, 6870 SDslu, 589 SDs, 0 SdLazy, 15742 SolverSat, 2156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4571occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 3338 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 262 PreInvPairs, 338 NumberOfFragments, 371 HoareAnnotationTreeSize, 262 FomulaSimplifications, 294514 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7131 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 39.9s InterpolantComputationTime, 4368 NumberOfCodeBlocks, 4368 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4351 ConstructedInterpolants, 0 QuantifiedInterpolants, 2880164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 3548/3757 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...