/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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:52:22,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:52:22,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:52:22,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:52:22,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:52:22,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:52:22,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:52:22,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:52:22,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:52:22,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:52:22,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:52:22,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:52:22,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:52:22,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:52:22,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:52:22,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:52:22,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:52:22,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:52:22,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:52:22,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:52:22,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:52:22,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:52:22,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:52:22,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:52:22,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:52:22,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:52:22,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:52:22,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:52:22,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:52:22,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:52:22,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:52:22,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:52:22,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:52:22,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:52:22,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:52:22,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:52:22,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:52:22,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:52:22,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:52:22,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:52:22,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:52:22,755 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 20:52:22,782 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:52:22,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:52:22,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:52:22,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:52:22,784 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:52:22,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:52:22,784 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:52:22,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:52:22,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:52:22,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:52:22,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:52:22,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:52:22,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:52:22,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:52:22,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:52:22,786 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:52:22,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:52:22,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:52:22,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:52:22,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:52:22,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:52:22,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:52:22,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:52:22,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:52:22,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:52:22,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:52:22,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:52:22,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:52:22,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:52:22,789 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 20:52:23,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:52:23,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:52:23,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:52:23,097 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:52:23,098 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:52:23,099 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2020-10-14 20:52:23,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44990f720/fd985311077b435fbd91f0c5a89df018/FLAG47760214b [2020-10-14 20:52:23,750 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:52:23,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2020-10-14 20:52:23,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44990f720/fd985311077b435fbd91f0c5a89df018/FLAG47760214b [2020-10-14 20:52:24,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44990f720/fd985311077b435fbd91f0c5a89df018 [2020-10-14 20:52:24,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:52:24,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:52:24,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:24,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:52:24,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:52:24,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:24" (1/1) ... [2020-10-14 20:52:24,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24, skipping insertion in model container [2020-10-14 20:52:24,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:24" (1/1) ... [2020-10-14 20:52:24,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:52:24,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:52:24,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:24,634 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:52:24,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:24,746 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:52:24,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24 WrapperNode [2020-10-14 20:52:24,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:24,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:52:24,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:52:24,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:52:24,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24" (1/1) ... [2020-10-14 20:52:24,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24" (1/1) ... [2020-10-14 20:52:24,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24" (1/1) ... [2020-10-14 20:52:24,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24" (1/1) ... [2020-10-14 20:52:24,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24" (1/1) ... [2020-10-14 20:52:24,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24" (1/1) ... [2020-10-14 20:52:24,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24" (1/1) ... [2020-10-14 20:52:24,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:52:24,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:52:24,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:52:24,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:52:24,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24" (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 20:52:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:52:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:52:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:52:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:52:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:52:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:52:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:52:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:52:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:52:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:52:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:52:26,120 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:52:26,121 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:52:26,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:52:26 BoogieIcfgContainer [2020-10-14 20:52:26,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:52:26,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:52:26,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:52:26,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:52:26,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:52:24" (1/3) ... [2020-10-14 20:52:26,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6f761e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:52:26, skipping insertion in model container [2020-10-14 20:52:26,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:24" (2/3) ... [2020-10-14 20:52:26,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6f761e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:52:26, skipping insertion in model container [2020-10-14 20:52:26,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:52:26" (3/3) ... [2020-10-14 20:52:26,136 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label19.c [2020-10-14 20:52:26,147 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:52:26,157 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:52:26,176 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:52:26,208 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:52:26,208 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:52:26,208 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:52:26,209 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:52:26,209 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:52:26,209 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:52:26,209 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:52:26,210 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:52:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:52:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-14 20:52:26,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:26,248 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] [2020-10-14 20:52:26,249 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:26,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:26,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1418549242, now seen corresponding path program 1 times [2020-10-14 20:52:26,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:26,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376036846] [2020-10-14 20:52:26,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:26,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:26,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:26,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 20:52:26,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:26,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-14 20:52:26,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:26,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:26,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 20:52:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 20:52:26,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:26,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:26,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:26,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:26,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:26,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:52:26,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:26,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:26,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:26,937 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 20:52:26,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376036846] [2020-10-14 20:52:26,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:52:26,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:52:26,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931053149] [2020-10-14 20:52:26,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:52:26,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:26,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:52:26,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:52:26,965 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:52:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:28,459 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-14 20:52:28,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:28,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-10-14 20:52:28,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:28,493 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:52:28,493 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:52:28,503 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 20:52:28,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:52:28,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-14 20:52:28,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 20:52:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-10-14 20:52:28,612 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 35 [2020-10-14 20:52:28,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:28,613 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-10-14 20:52:28,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:52:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-10-14 20:52:28,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 20:52:28,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:28,618 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:28,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:52:28,619 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:28,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:28,620 INFO L82 PathProgramCache]: Analyzing trace with hash -707077050, now seen corresponding path program 1 times [2020-10-14 20:52:28,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:28,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868688090] [2020-10-14 20:52:28,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:28,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:28,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:28,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:29,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:29,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:52:29,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:29,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 747 [2020-10-14 20:52:29,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:29,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:52:29,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:29,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:52:29,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:52:29,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:29,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:29,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:29,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:29,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:29,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:52:29,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:29,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:29,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:29,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:29,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:29,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:29,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:29,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:29,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:29,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:52:29,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:29,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-14 20:52:29,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:29,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:29,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:29,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:29,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:52:29,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 20:52:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 20:52:29,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868688090] [2020-10-14 20:52:29,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:29,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:52:29,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081741274] [2020-10-14 20:52:29,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:29,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:29,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:29,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:29,923 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 7 states. [2020-10-14 20:52:31,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:31,250 INFO L93 Difference]: Finished difference Result 741 states and 1053 transitions. [2020-10-14 20:52:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:52:31,251 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-10-14 20:52:31,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:31,255 INFO L225 Difference]: With dead ends: 741 [2020-10-14 20:52:31,255 INFO L226 Difference]: Without dead ends: 451 [2020-10-14 20:52:31,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:52:31,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-10-14 20:52:31,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 447. [2020-10-14 20:52:31,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-14 20:52:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 603 transitions. [2020-10-14 20:52:31,288 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 603 transitions. Word has length 107 [2020-10-14 20:52:31,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:31,289 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 603 transitions. [2020-10-14 20:52:31,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 603 transitions. [2020-10-14 20:52:31,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 20:52:31,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:31,292 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:31,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:52:31,293 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:31,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:31,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1050280105, now seen corresponding path program 1 times [2020-10-14 20:52:31,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:31,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776213707] [2020-10-14 20:52:31,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:31,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:31,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:31,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:31,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 20:52:31,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:31,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-14 20:52:31,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:31,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 20:52:31,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:31,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:31,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:31,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:31,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:31,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:31,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:31,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:31,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:31,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:31,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:31,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:31,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:31,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:31,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:31,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 20:52:31,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:31,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:31,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:31,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:31,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:31,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:52:31,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776213707] [2020-10-14 20:52:31,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:31,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:52:31,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451600751] [2020-10-14 20:52:31,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:52:31,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:31,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:52:31,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:31,868 INFO L87 Difference]: Start difference. First operand 447 states and 603 transitions. Second operand 5 states. [2020-10-14 20:52:33,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:33,093 INFO L93 Difference]: Finished difference Result 894 states and 1265 transitions. [2020-10-14 20:52:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:33,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2020-10-14 20:52:33,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:33,102 INFO L225 Difference]: With dead ends: 894 [2020-10-14 20:52:33,102 INFO L226 Difference]: Without dead ends: 449 [2020-10-14 20:52:33,103 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 20:52:33,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-10-14 20:52:33,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 447. [2020-10-14 20:52:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-14 20:52:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 583 transitions. [2020-10-14 20:52:33,137 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 583 transitions. Word has length 114 [2020-10-14 20:52:33,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:33,138 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 583 transitions. [2020-10-14 20:52:33,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:52:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 583 transitions. [2020-10-14 20:52:33,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 20:52:33,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:33,148 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:33,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:52:33,148 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:33,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:33,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1012541875, now seen corresponding path program 1 times [2020-10-14 20:52:33,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:33,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799639279] [2020-10-14 20:52:33,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:33,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:33,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:52:33,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:33,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 635 [2020-10-14 20:52:33,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:33,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 20:52:33,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:33,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:33,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:33,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:33,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:33,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:52:33,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:33,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:33,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:33,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:34,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:34,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:52:34,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:34,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 20:52:34,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:34,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:34,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:34,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:34,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:52:34,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:52:34,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799639279] [2020-10-14 20:52:34,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:52:34,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:52:34,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643971734] [2020-10-14 20:52:34,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:34,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:34,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:34,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:34,105 INFO L87 Difference]: Start difference. First operand 447 states and 583 transitions. Second operand 7 states. [2020-10-14 20:52:35,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:35,458 INFO L93 Difference]: Finished difference Result 1057 states and 1447 transitions. [2020-10-14 20:52:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:35,459 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2020-10-14 20:52:35,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:35,464 INFO L225 Difference]: With dead ends: 1057 [2020-10-14 20:52:35,465 INFO L226 Difference]: Without dead ends: 759 [2020-10-14 20:52:35,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 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 20:52:35,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-10-14 20:52:35,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 743. [2020-10-14 20:52:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-10-14 20:52:35,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 896 transitions. [2020-10-14 20:52:35,494 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 896 transitions. Word has length 116 [2020-10-14 20:52:35,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:35,495 INFO L479 AbstractCegarLoop]: Abstraction has 743 states and 896 transitions. [2020-10-14 20:52:35,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 896 transitions. [2020-10-14 20:52:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-14 20:52:35,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:35,499 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:35,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:52:35,499 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:35,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:35,500 INFO L82 PathProgramCache]: Analyzing trace with hash 963218850, now seen corresponding path program 1 times [2020-10-14 20:52:35,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:35,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920213402] [2020-10-14 20:52:35,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:35,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:35,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:36,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:36,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:36,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:36,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 20:52:36,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:36,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1046 [2020-10-14 20:52:36,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:36,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:36,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 20:52:36,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-14 20:52:36,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:36,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:36,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:36,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:36,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:36,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:36,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:52:36,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:36,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:36,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:36,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:36,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:36,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:36,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:36,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:36,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:36,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:36,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:36,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:36,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 20:52:36,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:36,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:36,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:36,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:36,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:37,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:37,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:37,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:37,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:52:37,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:37,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 20:52:37,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:37,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 20:52:37,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 48 proven. 11 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-14 20:52:37,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920213402] [2020-10-14 20:52:37,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:37,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:37,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594357086] [2020-10-14 20:52:37,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:37,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:37,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:37,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:37,186 INFO L87 Difference]: Start difference. First operand 743 states and 896 transitions. Second operand 7 states. [2020-10-14 20:52:42,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:42,055 INFO L93 Difference]: Finished difference Result 1698 states and 2085 transitions. [2020-10-14 20:52:42,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 20:52:42,056 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2020-10-14 20:52:42,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:42,062 INFO L225 Difference]: With dead ends: 1698 [2020-10-14 20:52:42,062 INFO L226 Difference]: Without dead ends: 1104 [2020-10-14 20:52:42,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-10-14 20:52:42,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2020-10-14 20:52:42,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 1033. [2020-10-14 20:52:42,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2020-10-14 20:52:42,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1244 transitions. [2020-10-14 20:52:42,099 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1244 transitions. Word has length 177 [2020-10-14 20:52:42,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:42,100 INFO L479 AbstractCegarLoop]: Abstraction has 1033 states and 1244 transitions. [2020-10-14 20:52:42,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1244 transitions. [2020-10-14 20:52:42,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-14 20:52:42,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:42,103 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:42,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:52:42,104 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:42,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:42,104 INFO L82 PathProgramCache]: Analyzing trace with hash 292744305, now seen corresponding path program 1 times [2020-10-14 20:52:42,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:42,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602659128] [2020-10-14 20:52:42,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:42,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:42,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-14 20:52:42,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 586 [2020-10-14 20:52:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:42,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:52:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 20:52:42,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:42,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:42,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:42,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:42,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:42,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:52:42,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:42,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:42,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:42,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:42,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:52:42,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:42,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:42,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:42,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:42,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 20:52:42,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:42,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:42,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:42,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:43,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:43,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:52:43,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:43,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 20:52:43,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:43,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:43,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:43,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:43,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:52:43,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:43,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602659128] [2020-10-14 20:52:43,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:43,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:43,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642893381] [2020-10-14 20:52:43,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:43,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:43,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:43,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:43,141 INFO L87 Difference]: Start difference. First operand 1033 states and 1244 transitions. Second operand 8 states. [2020-10-14 20:52:45,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:45,313 INFO L93 Difference]: Finished difference Result 2229 states and 2789 transitions. [2020-10-14 20:52:45,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 20:52:45,314 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 186 [2020-10-14 20:52:45,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:45,325 INFO L225 Difference]: With dead ends: 2229 [2020-10-14 20:52:45,326 INFO L226 Difference]: Without dead ends: 1345 [2020-10-14 20:52:45,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 20:52:45,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-10-14 20:52:45,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1045. [2020-10-14 20:52:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-10-14 20:52:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1244 transitions. [2020-10-14 20:52:45,395 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1244 transitions. Word has length 186 [2020-10-14 20:52:45,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:45,396 INFO L479 AbstractCegarLoop]: Abstraction has 1045 states and 1244 transitions. [2020-10-14 20:52:45,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1244 transitions. [2020-10-14 20:52:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-14 20:52:45,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:45,403 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:45,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:52:45,404 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:45,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:45,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1108222850, now seen corresponding path program 1 times [2020-10-14 20:52:45,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:45,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308278963] [2020-10-14 20:52:45,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:45,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:46,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:46,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-14 20:52:46,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1241 [2020-10-14 20:52:46,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:46,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:46,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:46,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:52:46,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 20:52:46,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:46,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:46,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:46,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:46,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:46,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:46,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:52:46,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:46,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:46,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:46,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:46,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:46,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:46,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:46,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 20:52:46,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:46,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:52:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:47,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:52:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:47,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:47,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:47,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:52:47,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:47,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 20:52:47,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:47,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:52:47,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:47,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308278963] [2020-10-14 20:52:47,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:47,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:47,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797859727] [2020-10-14 20:52:47,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:47,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:47,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:47,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:47,221 INFO L87 Difference]: Start difference. First operand 1045 states and 1244 transitions. Second operand 7 states. [2020-10-14 20:52:48,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:48,980 INFO L93 Difference]: Finished difference Result 2553 states and 3145 transitions. [2020-10-14 20:52:48,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:48,981 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-14 20:52:48,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:48,987 INFO L225 Difference]: With dead ends: 2553 [2020-10-14 20:52:48,988 INFO L226 Difference]: Without dead ends: 1657 [2020-10-14 20:52:48,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:52:48,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2020-10-14 20:52:49,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1645. [2020-10-14 20:52:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1645 states. [2020-10-14 20:52:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 1951 transitions. [2020-10-14 20:52:49,033 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 1951 transitions. Word has length 231 [2020-10-14 20:52:49,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:49,033 INFO L479 AbstractCegarLoop]: Abstraction has 1645 states and 1951 transitions. [2020-10-14 20:52:49,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 1951 transitions. [2020-10-14 20:52:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-14 20:52:49,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:49,039 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:49,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:52:49,040 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:49,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:49,040 INFO L82 PathProgramCache]: Analyzing trace with hash 123414262, now seen corresponding path program 1 times [2020-10-14 20:52:49,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:49,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491383872] [2020-10-14 20:52:49,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:49,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:49,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:49,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-14 20:52:49,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:49,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-14 20:52:49,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:49,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:49,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-14 20:52:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 20:52:49,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:49,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:49,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:49,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:49,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:49,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:49,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:49,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:49,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:49,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:49,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:49,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:49,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:49,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:49,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:49,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:52:49,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:49,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 20:52:49,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:49,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:49,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:49,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:52:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:49,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:49,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:49,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 20:52:49,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 20:52:49,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:49,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:52:49,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 20:52:49,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491383872] [2020-10-14 20:52:49,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:49,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:52:49,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148125319] [2020-10-14 20:52:49,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:52:49,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:49,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:52:49,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:49,804 INFO L87 Difference]: Start difference. First operand 1645 states and 1951 transitions. Second operand 5 states. [2020-10-14 20:52:51,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:51,107 INFO L93 Difference]: Finished difference Result 3431 states and 4150 transitions. [2020-10-14 20:52:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:51,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 253 [2020-10-14 20:52:51,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:51,123 INFO L225 Difference]: With dead ends: 3431 [2020-10-14 20:52:51,123 INFO L226 Difference]: Without dead ends: 1935 [2020-10-14 20:52:51,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:52:51,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2020-10-14 20:52:51,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1786. [2020-10-14 20:52:51,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1786 states. [2020-10-14 20:52:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2077 transitions. [2020-10-14 20:52:51,175 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2077 transitions. Word has length 253 [2020-10-14 20:52:51,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:51,176 INFO L479 AbstractCegarLoop]: Abstraction has 1786 states and 2077 transitions. [2020-10-14 20:52:51,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:52:51,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2077 transitions. [2020-10-14 20:52:51,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-14 20:52:51,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:51,185 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:51,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:52:51,185 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:51,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:51,186 INFO L82 PathProgramCache]: Analyzing trace with hash -2120665246, now seen corresponding path program 1 times [2020-10-14 20:52:51,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:51,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888551990] [2020-10-14 20:52:51,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:51,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:51,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:51,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:52,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:52,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:55,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-10-14 20:52:55,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:52:55,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4030 [2020-10-14 20:52:55,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:55,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:55,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-14 20:52:55,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 20:52:55,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:55,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:55,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:55,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:55,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:55,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:55,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:55,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:55,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:55,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:55,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:55,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:55,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:55,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:55,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:55,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 20:52:55,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:55,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:55,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:55,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:55,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:55,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:55,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:55,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:55,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:52:55,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:55,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 20:52:55,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:55,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:55,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:55,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:55,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:52:55,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:55,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 20:52:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:55,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:55,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:52:55,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:55,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 20:52:55,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:55,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 20:52:55,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:56,170 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 235 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-14 20:52:56,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888551990] [2020-10-14 20:52:56,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:56,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:56,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856500958] [2020-10-14 20:52:56,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:56,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:56,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:56,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:56,174 INFO L87 Difference]: Start difference. First operand 1786 states and 2077 transitions. Second operand 8 states. [2020-10-14 20:52:58,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:58,436 INFO L93 Difference]: Finished difference Result 3606 states and 4275 transitions. [2020-10-14 20:52:58,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:52:58,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 313 [2020-10-14 20:52:58,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:58,447 INFO L225 Difference]: With dead ends: 3606 [2020-10-14 20:52:58,448 INFO L226 Difference]: Without dead ends: 1673 [2020-10-14 20:52:58,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-14 20:52:58,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2020-10-14 20:52:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1641. [2020-10-14 20:52:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1641 states. [2020-10-14 20:52:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 1810 transitions. [2020-10-14 20:52:58,501 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 1810 transitions. Word has length 313 [2020-10-14 20:52:58,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:58,501 INFO L479 AbstractCegarLoop]: Abstraction has 1641 states and 1810 transitions. [2020-10-14 20:52:58,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 1810 transitions. [2020-10-14 20:52:58,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-14 20:52:58,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:58,511 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 20:52:58,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:52:58,512 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:58,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:58,512 INFO L82 PathProgramCache]: Analyzing trace with hash -583400554, now seen corresponding path program 1 times [2020-10-14 20:52:58,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:58,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597791494] [2020-10-14 20:52:58,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:58,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:58,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:59,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-14 20:53:00,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:00,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1563 [2020-10-14 20:53:00,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:00,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:53:00,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 20:53:00,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:00,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:00,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:00,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:00,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:00,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:00,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 20:53:00,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:00,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:00,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 20:53:00,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 20:53:00,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:00,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 20:53:00,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:00,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:53:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:53:00,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-14 20:53:00,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 20:53:00,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 283 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 20:53:00,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597791494] [2020-10-14 20:53:00,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:00,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:00,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339407642] [2020-10-14 20:53:00,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:00,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:00,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:00,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:00,846 INFO L87 Difference]: Start difference. First operand 1641 states and 1810 transitions. Second operand 7 states. [2020-10-14 20:53:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:02,569 INFO L93 Difference]: Finished difference Result 3743 states and 4239 transitions. [2020-10-14 20:53:02,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:53:02,570 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 361 [2020-10-14 20:53:02,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:02,580 INFO L225 Difference]: With dead ends: 3743 [2020-10-14 20:53:02,580 INFO L226 Difference]: Without dead ends: 2251 [2020-10-14 20:53:02,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 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 20:53:02,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2020-10-14 20:53:02,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2086. [2020-10-14 20:53:02,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2086 states. [2020-10-14 20:53:02,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 2358 transitions. [2020-10-14 20:53:02,636 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 2358 transitions. Word has length 361 [2020-10-14 20:53:02,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:02,637 INFO L479 AbstractCegarLoop]: Abstraction has 2086 states and 2358 transitions. [2020-10-14 20:53:02,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:02,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2358 transitions. [2020-10-14 20:53:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-10-14 20:53:02,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:02,649 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 20:53:02,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:53:02,649 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:02,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:02,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1469145691, now seen corresponding path program 1 times [2020-10-14 20:53:02,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:02,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599332738] [2020-10-14 20:53:02,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:02,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:02,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:04,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:04,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-14 20:53:04,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:04,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1743 [2020-10-14 20:53:04,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:04,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:04,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:04,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-14 20:53:04,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 20:53:04,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:04,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:04,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:04,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:04,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:04,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:04,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:04,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:04,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:04,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:04,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:04,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:04,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:04,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:53:04,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:04,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 20:53:04,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:04,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:04,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:04,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:04,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:04,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:04,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:53:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:04,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:04,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:04,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 20:53:04,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:04,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 20:53:04,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:04,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:04,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 20:53:04,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:04,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-14 20:53:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:04,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:04,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:04,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:53:04,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:04,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 20:53:04,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:04,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 20:53:04,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 311 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-14 20:53:05,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599332738] [2020-10-14 20:53:05,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:05,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:05,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295242276] [2020-10-14 20:53:05,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:05,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:05,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:05,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:05,091 INFO L87 Difference]: Start difference. First operand 2086 states and 2358 transitions. Second operand 7 states. [2020-10-14 20:53:06,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:06,875 INFO L93 Difference]: Finished difference Result 4323 states and 4946 transitions. [2020-10-14 20:53:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:53:06,876 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 400 [2020-10-14 20:53:06,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:06,885 INFO L225 Difference]: With dead ends: 4323 [2020-10-14 20:53:06,885 INFO L226 Difference]: Without dead ends: 2386 [2020-10-14 20:53:06,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 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 20:53:06,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2020-10-14 20:53:06,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2376. [2020-10-14 20:53:06,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2376 states. [2020-10-14 20:53:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 2678 transitions. [2020-10-14 20:53:06,952 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 2678 transitions. Word has length 400 [2020-10-14 20:53:06,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:06,953 INFO L479 AbstractCegarLoop]: Abstraction has 2376 states and 2678 transitions. [2020-10-14 20:53:06,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2678 transitions. [2020-10-14 20:53:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2020-10-14 20:53:06,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:06,963 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:06,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:53:06,963 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:06,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:06,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1930564558, now seen corresponding path program 1 times [2020-10-14 20:53:06,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:06,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773262421] [2020-10-14 20:53:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:07,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:08,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 447 [2020-10-14 20:53:08,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:08,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1149 [2020-10-14 20:53:08,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:08,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 412 [2020-10-14 20:53:08,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 20:53:08,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:08,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:08,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:08,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:08,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:08,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:53:08,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:08,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:08,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:08,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:08,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:08,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:08,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:08,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:53:08,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:08,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 20:53:08,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:08,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:08,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:08,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:08,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:08,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:08,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 20:53:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:08,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:08,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 20:53:08,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:08,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 20:53:08,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:08,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:08,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:08,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:08,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:08,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:08,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-14 20:53:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:08,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:08,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:53:08,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:08,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 20:53:08,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:08,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 20:53:08,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-10-14 20:53:08,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773262421] [2020-10-14 20:53:08,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:08,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:53:08,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781146915] [2020-10-14 20:53:08,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:53:08,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:08,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:53:08,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:08,978 INFO L87 Difference]: Start difference. First operand 2376 states and 2678 transitions. Second operand 5 states. [2020-10-14 20:53:10,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:10,177 INFO L93 Difference]: Finished difference Result 2380 states and 2685 transitions. [2020-10-14 20:53:10,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:10,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 433 [2020-10-14 20:53:10,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:10,179 INFO L225 Difference]: With dead ends: 2380 [2020-10-14 20:53:10,179 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:53:10,183 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 20:53:10,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:53:10,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:53:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:53:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:53:10,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 433 [2020-10-14 20:53:10,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:10,185 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:53:10,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:53:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:53:10,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:53:10,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:53:10,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:53:10,530 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2020-10-14 20:53:10,644 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2020-10-14 20:53:11,309 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 47 [2020-10-14 20:53:11,651 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 35 [2020-10-14 20:53:11,973 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 35 [2020-10-14 20:53:11,977 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:53:11,978 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 20:53:11,978 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:53:11,978 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:53:11,978 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,978 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,978 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,978 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,979 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,979 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,979 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:53:11,979 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:53:11,979 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:53:11,979 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:53:11,979 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:53:11,979 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:53:11,979 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:53:11,979 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:53:11,980 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:53:11,980 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:53:11,980 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:53:11,980 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,980 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,980 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,980 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,980 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,981 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:53:11,981 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:53:11,981 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:53:11,981 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:53:11,981 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:53:11,981 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:53:11,981 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:53:11,981 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:53:11,982 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:53:11,982 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:53:11,982 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:53:11,982 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:53:11,982 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:53:11,982 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2020-10-14 20:53:11,982 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:53:11,982 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,982 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,982 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:53:11,983 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:53:11,984 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:53:11,984 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,984 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,984 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,984 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,984 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,984 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:53:11,984 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:53:11,984 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:53:11,985 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:53:11,985 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:53:11,985 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:53:11,985 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:53:11,985 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:53:11,985 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:53:11,985 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:53:11,985 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:53:11,985 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:53:11,986 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:53:11,987 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:53:11,987 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:53:11,987 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:53:11,987 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:53:11,987 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,987 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,987 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,987 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,987 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,988 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,988 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,988 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:53:11,988 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:53:11,988 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:53:11,988 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:53:11,988 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:53:11,988 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:53:11,988 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:53:11,988 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:53:11,989 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:53:11,989 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:53:11,989 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:53:11,989 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:53:11,990 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:53:11,990 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,990 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,990 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,991 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,991 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:53:11,991 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,991 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,991 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:53:11,991 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:53:11,991 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:53:11,991 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:53:11,991 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:53:11,992 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:53:11,992 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:53:11,992 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:53:11,992 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:53:11,992 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:53:11,992 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:53:11,993 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:53:11,993 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:53:11,993 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,993 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,993 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,993 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,993 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,993 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:53:11,994 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:53:11,995 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (= ~a1~0 |old(~a1~0)|)) (.cse6 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (not (= 10 |old(~a19~0)|))) (.cse4 (not (= 0 |old(~a10~0)|))) (.cse3 (not (= 9 |old(~a19~0)|))) (.cse0 (and .cse5 (= ~a19~0 |old(~a19~0)|) .cse6)) (.cse2 (not (<= 1 |old(~a10~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 (not (<= 2 |old(~a10~0)|))) (or .cse0 (not (= 8 |old(~a19~0)|))) (or .cse0 .cse4 .cse1) (or (not (= 6 |old(~a19~0)|)) .cse4 (and .cse5 (= ~a19~0 6) .cse6)) (or (not (<= |old(~a19~0)| 7)) .cse0 .cse2) (or .cse3 .cse0 .cse2)))) [2020-10-14 20:53:11,995 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:53:11,995 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:53:11,995 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:53:11,995 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,995 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,995 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,996 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,996 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,996 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,996 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:53:11,996 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:53:11,996 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:53:11,996 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:53:11,996 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:53:11,996 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:53:11,997 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:53:11,997 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:53:11,997 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:53:11,997 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:53:11,997 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:53:11,997 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:53:11,997 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:53:11,997 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,997 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,998 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,998 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,998 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,998 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,998 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:53:11,998 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:53:11,998 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:53:11,998 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:53:11,998 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:53:11,999 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:53:11,999 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:53:11,999 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:53:11,999 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:53:11,999 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:53:11,999 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:53:11,999 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:53:11,999 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,999 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:12,000 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:12,000 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:12,000 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:12,000 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:12,000 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:53:12,000 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:53:12,000 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:53:12,000 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:53:12,000 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:53:12,001 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:53:12,001 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:53:12,001 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:53:12,001 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:53:12,001 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:53:12,001 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:53:12,001 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:53:12,001 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:53:12,001 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-14 20:53:12,001 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:53:12,002 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:53:12,002 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-14 20:53:12,002 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:53:12,002 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (= ~a19~0 9)) (.cse0 (<= 1 ~a10~0)) (.cse2 (= ~a10~0 0)) (.cse3 (= ~a19~0 10))) (or (= ~a19~0 8) (and .cse0 .cse1) (and (<= ~a19~0 7) .cse0) (and .cse2 .cse1) (and .cse2 (= ~a19~0 6)) (not (= 9 |old(~a19~0)|)) (and .cse0 .cse3) (not (= 0 |old(~a10~0)|)) (and .cse2 .cse3) (not (= 23 |old(~a1~0)|)) (<= 2 ~a10~0))) [2020-10-14 20:53:12,002 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:53:12,002 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:53:12,002 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (= ~a19~0 9)) (.cse0 (<= 1 ~a10~0)) (.cse2 (= ~a10~0 0)) (.cse3 (= ~a19~0 10))) (or (= ~a19~0 8) (and .cse0 .cse1) (and (<= ~a19~0 7) .cse0) (and .cse2 .cse1) (and .cse2 (= ~a19~0 6)) (not (= 9 |old(~a19~0)|)) (and .cse0 .cse3) (not (= 0 |old(~a10~0)|)) (and .cse2 .cse3) (not (= 23 |old(~a1~0)|)) (<= 2 ~a10~0))) [2020-10-14 20:53:12,003 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:53:12,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:53:12 BoogieIcfgContainer [2020-10-14 20:53:12,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:53:12,035 INFO L168 Benchmark]: Toolchain (without parser) took 47983.23 ms. Allocated memory was 146.3 MB in the beginning and 785.9 MB in the end (delta: 639.6 MB). Free memory was 100.9 MB in the beginning and 440.3 MB in the end (delta: -339.4 MB). Peak memory consumption was 300.2 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:12,036 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 20:53:12,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.02 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 168.5 MB in the end (delta: -68.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:12,038 INFO L168 Benchmark]: Boogie Preprocessor took 110.76 ms. Allocated memory is still 203.9 MB. Free memory was 168.5 MB in the beginning and 163.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:12,039 INFO L168 Benchmark]: RCFGBuilder took 1269.59 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 177.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:12,040 INFO L168 Benchmark]: TraceAbstraction took 45900.07 ms. Allocated memory was 237.0 MB in the beginning and 785.9 MB in the end (delta: 548.9 MB). Free memory was 176.1 MB in the beginning and 440.3 MB in the end (delta: -264.3 MB). Peak memory consumption was 284.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:12,043 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.02 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 168.5 MB in the end (delta: -68.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.76 ms. Allocated memory is still 203.9 MB. Free memory was 168.5 MB in the beginning and 163.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1269.59 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 177.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 45900.07 ms. Allocated memory was 237.0 MB in the beginning and 785.9 MB in the end (delta: 548.9 MB). Free memory was 176.1 MB in the beginning and 440.3 MB in the end (delta: -264.3 MB). Peak memory consumption was 284.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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 == 8 || (1 <= a10 && a19 == 9)) || (a19 <= 7 && 1 <= a10)) || (a10 == 0 && a19 == 9)) || (a10 == 0 && a19 == 6)) || !(9 == \old(a19))) || (1 <= a10 && a19 == 10)) || !(0 == \old(a10))) || (a10 == 0 && a19 == 10)) || !(23 == \old(a1))) || 2 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.9s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 22.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 345 SDtfs, 5430 SDslu, 438 SDs, 0 SdLazy, 11646 SolverSat, 1577 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2376occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 767 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 92 PreInvPairs, 130 NumberOfFragments, 332 HoareAnnotationTreeSize, 92 FomulaSimplifications, 10338 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2624 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 2726 NumberOfCodeBlocks, 2726 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2714 ConstructedInterpolants, 0 QuantifiedInterpolants, 1616979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 2118/2170 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...