/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/fragtest_simple.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:11:08,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:11:08,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:11:08,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:11:08,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:11:08,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:11:08,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:11:08,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:11:08,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:11:08,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:11:08,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:11:08,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:11:08,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:11:08,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:11:08,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:11:08,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:11:08,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:11:08,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:11:08,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:11:08,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:11:08,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:11:08,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:11:08,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:11:08,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:11:08,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:11:08,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:11:08,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:11:08,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:11:08,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:11:08,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:11:08,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:11:08,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:11:08,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:11:08,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:11:08,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:11:08,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:11:08,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:11:08,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:11:08,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:11:08,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:11:08,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:11:08,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 16:11:08,919 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:11:08,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:11:08,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:11:08,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:11:08,921 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:11:08,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:11:08,923 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:11:08,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:11:08,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:11:08,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:11:08,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:11:08,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:11:08,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:11:08,924 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:11:08,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:11:08,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:11:08,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:11:08,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:11:08,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:11:08,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:11:08,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:11:08,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:11:08,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:11:08,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:11:08,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:11:08,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:11:08,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:11:08,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:11:08,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:11:08,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:11:09,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:11:09,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:11:09,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:11:09,393 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:11:09,393 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:11:09,394 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/fragtest_simple.i [2020-09-24 16:11:09,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3c52f115/9b02da9ab9c64e6abbc4870d6c8f9462/FLAGd0001ab5a [2020-09-24 16:11:10,023 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:11:10,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/fragtest_simple.i [2020-09-24 16:11:10,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3c52f115/9b02da9ab9c64e6abbc4870d6c8f9462/FLAGd0001ab5a [2020-09-24 16:11:10,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3c52f115/9b02da9ab9c64e6abbc4870d6c8f9462 [2020-09-24 16:11:10,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:11:10,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:11:10,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:11:10,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:11:10,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:11:10,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:11:10" (1/1) ... [2020-09-24 16:11:10,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdd0a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10, skipping insertion in model container [2020-09-24 16:11:10,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:11:10" (1/1) ... [2020-09-24 16:11:10,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:11:10,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:11:10,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:11:10,646 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:11:10,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:11:10,686 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:11:10,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10 WrapperNode [2020-09-24 16:11:10,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:11:10,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:11:10,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:11:10,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:11:10,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10" (1/1) ... [2020-09-24 16:11:10,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10" (1/1) ... [2020-09-24 16:11:10,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10" (1/1) ... [2020-09-24 16:11:10,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10" (1/1) ... [2020-09-24 16:11:10,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10" (1/1) ... [2020-09-24 16:11:10,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10" (1/1) ... [2020-09-24 16:11:10,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10" (1/1) ... [2020-09-24 16:11:10,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:11:10,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:11:10,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:11:10,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:11:10,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:11:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:11:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:11:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 16:11:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 16:11:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:11:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 16:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 16:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 16:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:11:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:11:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:11:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:11:11,186 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:11:11,186 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-24 16:11:11,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:11:11 BoogieIcfgContainer [2020-09-24 16:11:11,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:11:11,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:11:11,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:11:11,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:11:11,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:11:10" (1/3) ... [2020-09-24 16:11:11,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c7531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:11:11, skipping insertion in model container [2020-09-24 16:11:11,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:11:10" (2/3) ... [2020-09-24 16:11:11,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c7531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:11:11, skipping insertion in model container [2020-09-24 16:11:11,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:11:11" (3/3) ... [2020-09-24 16:11:11,200 INFO L109 eAbstractionObserver]: Analyzing ICFG fragtest_simple.i [2020-09-24 16:11:11,210 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:11:11,219 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:11:11,239 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:11:11,270 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:11:11,271 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:11:11,271 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:11:11,271 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:11:11,271 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:11:11,272 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:11:11,272 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:11:11,272 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:11:11,296 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-09-24 16:11:11,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-24 16:11:11,303 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:11,305 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] [2020-09-24 16:11:11,305 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:11,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:11,312 INFO L82 PathProgramCache]: Analyzing trace with hash -815601615, now seen corresponding path program 1 times [2020-09-24 16:11:11,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:11,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1104676733] [2020-09-24 16:11:11,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:11,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:11,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:11,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:11,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:11,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 16:11:11,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:11,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:11:11,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:11,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:11,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:11,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:11,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:11,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:11,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:11,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:11,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:11,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:11,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:11,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:11,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:11,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:11,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:11,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1104676733] [2020-09-24 16:11:11,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:11,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-24 16:11:11,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497361126] [2020-09-24 16:11:11,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-24 16:11:11,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:11,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-24 16:11:11,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-24 16:11:11,517 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2020-09-24 16:11:11,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:11,543 INFO L93 Difference]: Finished difference Result 76 states and 91 transitions. [2020-09-24 16:11:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-24 16:11:11,545 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2020-09-24 16:11:11,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:11,555 INFO L225 Difference]: With dead ends: 76 [2020-09-24 16:11:11,556 INFO L226 Difference]: Without dead ends: 42 [2020-09-24 16:11:11,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-24 16:11:11,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-24 16:11:11,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-24 16:11:11,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 16:11:11,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2020-09-24 16:11:11,608 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 24 [2020-09-24 16:11:11,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:11,609 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2020-09-24 16:11:11,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-24 16:11:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-09-24 16:11:11,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-24 16:11:11,611 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:11,611 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] [2020-09-24 16:11:11,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:11:11,612 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:11,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:11,612 INFO L82 PathProgramCache]: Analyzing trace with hash -2089093357, now seen corresponding path program 1 times [2020-09-24 16:11:11,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:11,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298597183] [2020-09-24 16:11:11,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:11,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:11,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:11,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:11,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:11,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 16:11:11,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:11,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:11:11,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:11,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:11:11,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:11,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 16:11:11,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:11,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:11,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:11,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:11,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:11,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:11,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:11,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:11,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:11,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:11,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:11,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:11,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298597183] [2020-09-24 16:11:11,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:11,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 16:11:11,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494740559] [2020-09-24 16:11:11,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 16:11:11,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:11,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 16:11:11,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:11:11,845 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand 5 states. [2020-09-24 16:11:11,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:11,909 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2020-09-24 16:11:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 16:11:11,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-09-24 16:11:11,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:11,911 INFO L225 Difference]: With dead ends: 51 [2020-09-24 16:11:11,911 INFO L226 Difference]: Without dead ends: 49 [2020-09-24 16:11:11,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:11:11,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-09-24 16:11:11,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2020-09-24 16:11:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-09-24 16:11:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2020-09-24 16:11:11,929 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 28 [2020-09-24 16:11:11,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:11,931 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2020-09-24 16:11:11,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 16:11:11,932 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2020-09-24 16:11:11,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 16:11:11,935 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:11,935 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:11,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:11:11,935 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:11,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:11,936 INFO L82 PathProgramCache]: Analyzing trace with hash -594427423, now seen corresponding path program 1 times [2020-09-24 16:11:11,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:11,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52413158] [2020-09-24 16:11:11,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:11,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:11,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:11,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:11,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:11,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 16:11:11,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:11,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 16:11:11,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:11,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:11,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:11,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 16:11:11,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:12,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:12,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:12,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:12,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-24 16:11:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:12,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:11:12,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:12,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:12,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52413158] [2020-09-24 16:11:12,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:12,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 16:11:12,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366294300] [2020-09-24 16:11:12,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:11:12,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:12,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:11:12,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:11:12,125 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 6 states. [2020-09-24 16:11:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:12,290 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2020-09-24 16:11:12,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 16:11:12,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-09-24 16:11:12,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:12,297 INFO L225 Difference]: With dead ends: 82 [2020-09-24 16:11:12,297 INFO L226 Difference]: Without dead ends: 61 [2020-09-24 16:11:12,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-09-24 16:11:12,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2020-09-24 16:11:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-09-24 16:11:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2020-09-24 16:11:12,330 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 38 [2020-09-24 16:11:12,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:12,331 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2020-09-24 16:11:12,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:11:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2020-09-24 16:11:12,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-09-24 16:11:12,337 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:12,337 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:12,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:11:12,338 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:12,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:12,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1151378409, now seen corresponding path program 1 times [2020-09-24 16:11:12,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:12,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286292826] [2020-09-24 16:11:12,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 16:11:12,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 16:11:12,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:12,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 16:11:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:12,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:12,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:12,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:12,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 16:11:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:12,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:12,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:12,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:12,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:12,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:11:12,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286292826] [2020-09-24 16:11:12,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:12,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-24 16:11:12,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161792629] [2020-09-24 16:11:12,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:11:12,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:12,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:11:12,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:11:12,493 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 6 states. [2020-09-24 16:11:12,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:12,548 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2020-09-24 16:11:12,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 16:11:12,548 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-09-24 16:11:12,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:12,550 INFO L225 Difference]: With dead ends: 67 [2020-09-24 16:11:12,550 INFO L226 Difference]: Without dead ends: 65 [2020-09-24 16:11:12,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:12,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-09-24 16:11:12,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 60. [2020-09-24 16:11:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-24 16:11:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2020-09-24 16:11:12,560 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 44 [2020-09-24 16:11:12,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:12,561 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2020-09-24 16:11:12,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:11:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2020-09-24 16:11:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-24 16:11:12,562 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:12,563 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-09-24 16:11:12,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 16:11:12,563 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:12,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:12,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1388174135, now seen corresponding path program 2 times [2020-09-24 16:11:12,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:12,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987914819] [2020-09-24 16:11:12,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:11:12,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:11:12,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:11:12,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:12,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 16:11:12,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:12,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:12,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 16:11:12,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 16:11:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:12,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:12,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:12,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 16:11:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:12,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:12,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:12,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 16:11:12,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987914819] [2020-09-24 16:11:12,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:12,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 16:11:12,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251173684] [2020-09-24 16:11:12,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:12,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:12,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:12,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:12,734 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 8 states. [2020-09-24 16:11:12,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:12,908 INFO L93 Difference]: Finished difference Result 112 states and 121 transitions. [2020-09-24 16:11:12,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:11:12,909 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-09-24 16:11:12,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:12,910 INFO L225 Difference]: With dead ends: 112 [2020-09-24 16:11:12,910 INFO L226 Difference]: Without dead ends: 85 [2020-09-24 16:11:12,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-09-24 16:11:12,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-09-24 16:11:12,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 66. [2020-09-24 16:11:12,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-24 16:11:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2020-09-24 16:11:12,921 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 54 [2020-09-24 16:11:12,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:12,921 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2020-09-24 16:11:12,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-09-24 16:11:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-24 16:11:12,922 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:12,923 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 16:11:12,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 16:11:12,923 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:12,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:12,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1511501119, now seen corresponding path program 3 times [2020-09-24 16:11:12,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:12,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510462868] [2020-09-24 16:11:12,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-24 16:11:12,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 16:11:12,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:11:12,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:12,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:11:12,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:13,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:13,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:13,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:13,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 16:11:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:13,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:13,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 16:11:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:13,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:13,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:13,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 16:11:13,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510462868] [2020-09-24 16:11:13,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:13,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 16:11:13,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875375222] [2020-09-24 16:11:13,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:11:13,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:13,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:11:13,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:11:13,064 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand 9 states. [2020-09-24 16:11:13,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:13,274 INFO L93 Difference]: Finished difference Result 126 states and 138 transitions. [2020-09-24 16:11:13,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 16:11:13,275 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-09-24 16:11:13,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:13,278 INFO L225 Difference]: With dead ends: 126 [2020-09-24 16:11:13,278 INFO L226 Difference]: Without dead ends: 99 [2020-09-24 16:11:13,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-09-24 16:11:13,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-09-24 16:11:13,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 72. [2020-09-24 16:11:13,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-24 16:11:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2020-09-24 16:11:13,290 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 60 [2020-09-24 16:11:13,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:13,291 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2020-09-24 16:11:13,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:11:13,292 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2020-09-24 16:11:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-24 16:11:13,293 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:13,293 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:13,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 16:11:13,294 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:13,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:13,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1048435015, now seen corresponding path program 4 times [2020-09-24 16:11:13,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:13,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358923097] [2020-09-24 16:11:13,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 16:11:13,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 16:11:13,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:11:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:11:13,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:13,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:13,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:13,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:13,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:13,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-24 16:11:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:13,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:13,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:13,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-24 16:11:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:13,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:13,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:13,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 16:11:13,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358923097] [2020-09-24 16:11:13,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:13,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 16:11:13,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860847007] [2020-09-24 16:11:13,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:13,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:13,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:13,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:13,470 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand 8 states. [2020-09-24 16:11:13,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:13,535 INFO L93 Difference]: Finished difference Result 95 states and 99 transitions. [2020-09-24 16:11:13,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:11:13,536 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-09-24 16:11:13,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:13,537 INFO L225 Difference]: With dead ends: 95 [2020-09-24 16:11:13,537 INFO L226 Difference]: Without dead ends: 93 [2020-09-24 16:11:13,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:11:13,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-24 16:11:13,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2020-09-24 16:11:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-09-24 16:11:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2020-09-24 16:11:13,547 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 66 [2020-09-24 16:11:13,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:13,548 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2020-09-24 16:11:13,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:13,548 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2020-09-24 16:11:13,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-24 16:11:13,551 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:13,551 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:13,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 16:11:13,551 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:13,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:13,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1426826083, now seen corresponding path program 5 times [2020-09-24 16:11:13,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:13,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350629104] [2020-09-24 16:11:13,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-09-24 16:11:13,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:11:13,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:11:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-24 16:11:13,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:13,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:13,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:13,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:13,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-24 16:11:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:13,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:13,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:13,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:13,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-24 16:11:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:13,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:13,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:13,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-24 16:11:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:13,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:13,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:13,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 16:11:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:13,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:13,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:13,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 52 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 16:11:13,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350629104] [2020-09-24 16:11:13,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:13,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 16:11:13,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576833257] [2020-09-24 16:11:13,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 16:11:13,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:13,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 16:11:13,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-24 16:11:13,753 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand 12 states. [2020-09-24 16:11:14,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:14,025 INFO L93 Difference]: Finished difference Result 168 states and 184 transitions. [2020-09-24 16:11:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 16:11:14,025 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 86 [2020-09-24 16:11:14,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:14,027 INFO L225 Difference]: With dead ends: 168 [2020-09-24 16:11:14,027 INFO L226 Difference]: Without dead ends: 129 [2020-09-24 16:11:14,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2020-09-24 16:11:14,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-09-24 16:11:14,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 94. [2020-09-24 16:11:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-24 16:11:14,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 98 transitions. [2020-09-24 16:11:14,037 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 98 transitions. Word has length 86 [2020-09-24 16:11:14,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:14,037 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 98 transitions. [2020-09-24 16:11:14,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 16:11:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2020-09-24 16:11:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-24 16:11:14,039 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:14,040 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:14,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 16:11:14,040 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:14,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:14,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1621404309, now seen corresponding path program 6 times [2020-09-24 16:11:14,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:14,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451526701] [2020-09-24 16:11:14,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-24 16:11:14,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 16:11:14,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 16:11:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 16:11:14,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:14,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:14,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:14,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:14,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-24 16:11:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:14,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:14,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:14,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-24 16:11:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:14,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:14,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:14,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:14,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-24 16:11:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:14,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:14,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:14,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-24 16:11:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:14,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:14,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:14,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 52 proven. 44 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 16:11:14,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451526701] [2020-09-24 16:11:14,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:14,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 16:11:14,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746313707] [2020-09-24 16:11:14,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 16:11:14,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:14,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 16:11:14,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:11:14,258 INFO L87 Difference]: Start difference. First operand 94 states and 98 transitions. Second operand 13 states. [2020-09-24 16:11:14,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:14,585 INFO L93 Difference]: Finished difference Result 182 states and 201 transitions. [2020-09-24 16:11:14,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 16:11:14,585 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 92 [2020-09-24 16:11:14,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:14,587 INFO L225 Difference]: With dead ends: 182 [2020-09-24 16:11:14,587 INFO L226 Difference]: Without dead ends: 143 [2020-09-24 16:11:14,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2020-09-24 16:11:14,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-09-24 16:11:14,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 100. [2020-09-24 16:11:14,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-24 16:11:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2020-09-24 16:11:14,596 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 92 [2020-09-24 16:11:14,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:14,597 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2020-09-24 16:11:14,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 16:11:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2020-09-24 16:11:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-24 16:11:14,598 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:14,598 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:14,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 16:11:14,599 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:14,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:14,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1859084659, now seen corresponding path program 7 times [2020-09-24 16:11:14,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:14,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308124621] [2020-09-24 16:11:14,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-09-24 16:11:14,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 16:11:14,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:11:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-24 16:11:14,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:14,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:14,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:14,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:14,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 16:11:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:14,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:14,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:14,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:14,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-24 16:11:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:14,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:14,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:14,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:14,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-24 16:11:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:14,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:14,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:14,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:14,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 16:11:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:14,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:14,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:14,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 52 proven. 70 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 16:11:14,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308124621] [2020-09-24 16:11:14,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:14,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 16:11:14,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874465526] [2020-09-24 16:11:14,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 16:11:14,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:14,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 16:11:14,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:11:14,830 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand 10 states. [2020-09-24 16:11:14,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:14,926 INFO L93 Difference]: Finished difference Result 117 states and 121 transitions. [2020-09-24 16:11:14,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 16:11:14,927 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-09-24 16:11:14,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:14,928 INFO L225 Difference]: With dead ends: 117 [2020-09-24 16:11:14,929 INFO L226 Difference]: Without dead ends: 115 [2020-09-24 16:11:14,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:11:14,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-24 16:11:14,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 110. [2020-09-24 16:11:14,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-24 16:11:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2020-09-24 16:11:14,937 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 98 [2020-09-24 16:11:14,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:14,937 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2020-09-24 16:11:14,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 16:11:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2020-09-24 16:11:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-24 16:11:14,939 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:14,939 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:14,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 16:11:14,939 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:14,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:14,940 INFO L82 PathProgramCache]: Analyzing trace with hash 917288001, now seen corresponding path program 8 times [2020-09-24 16:11:14,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:14,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970959955] [2020-09-24 16:11:14,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-24 16:11:14,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 16:11:14,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 16:11:14,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:14,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 16:11:14,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:15,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:15,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:15,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 16:11:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:15,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:15,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-24 16:11:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:15,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:15,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-24 16:11:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:15,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:15,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:15,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 16:11:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:15,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:15,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-24 16:11:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:15,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:15,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:15,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 80 proven. 70 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-24 16:11:15,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970959955] [2020-09-24 16:11:15,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:15,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 16:11:15,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722010402] [2020-09-24 16:11:15,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 16:11:15,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:15,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 16:11:15,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-09-24 16:11:15,181 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand 15 states. [2020-09-24 16:11:15,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:15,620 INFO L93 Difference]: Finished difference Result 212 states and 234 transitions. [2020-09-24 16:11:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 16:11:15,620 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 108 [2020-09-24 16:11:15,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:15,622 INFO L225 Difference]: With dead ends: 212 [2020-09-24 16:11:15,622 INFO L226 Difference]: Without dead ends: 167 [2020-09-24 16:11:15,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=237, Invalid=465, Unknown=0, NotChecked=0, Total=702 [2020-09-24 16:11:15,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-09-24 16:11:15,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 116. [2020-09-24 16:11:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-24 16:11:15,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions. [2020-09-24 16:11:15,632 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 108 [2020-09-24 16:11:15,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:15,632 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 120 transitions. [2020-09-24 16:11:15,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 16:11:15,632 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2020-09-24 16:11:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-24 16:11:15,634 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:15,634 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:15,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 16:11:15,635 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:15,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:15,635 INFO L82 PathProgramCache]: Analyzing trace with hash 433565769, now seen corresponding path program 9 times [2020-09-24 16:11:15,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:15,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123272748] [2020-09-24 16:11:15,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:11:15,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 16:11:15,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:11:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 16:11:15,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:15,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:15,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:15,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 16:11:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:15,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:15,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:15,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-24 16:11:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:15,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:15,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:15,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-24 16:11:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:15,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:15,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:15,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 16:11:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:15,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 16:11:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:15,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:15,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 112 proven. 70 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-24 16:11:15,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123272748] [2020-09-24 16:11:15,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:15,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 16:11:15,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538451908] [2020-09-24 16:11:15,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 16:11:15,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:15,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 16:11:15,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:11:15,869 INFO L87 Difference]: Start difference. First operand 116 states and 120 transitions. Second operand 11 states. [2020-09-24 16:11:15,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:15,970 INFO L93 Difference]: Finished difference Result 139 states and 144 transitions. [2020-09-24 16:11:15,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 16:11:15,971 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 114 [2020-09-24 16:11:15,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:15,972 INFO L225 Difference]: With dead ends: 139 [2020-09-24 16:11:15,972 INFO L226 Difference]: Without dead ends: 137 [2020-09-24 16:11:15,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-24 16:11:15,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-09-24 16:11:15,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2020-09-24 16:11:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-09-24 16:11:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 137 transitions. [2020-09-24 16:11:15,980 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 137 transitions. Word has length 114 [2020-09-24 16:11:15,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:15,980 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 137 transitions. [2020-09-24 16:11:15,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 16:11:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2020-09-24 16:11:15,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-24 16:11:15,982 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:15,982 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:15,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 16:11:15,982 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:15,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:15,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1723472539, now seen corresponding path program 10 times [2020-09-24 16:11:15,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:15,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080891298] [2020-09-24 16:11:15,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-09-24 16:11:16,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 16:11:16,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:11:16,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-24 16:11:16,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:16,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:16,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:16,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:16,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:16,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 16:11:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:16,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:16,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:16,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:16,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:16,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:16,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-24 16:11:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:16,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:16,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:16,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:16,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:16,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:16,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-24 16:11:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:16,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:16,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:16,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:16,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 16:11:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:16,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:16,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:16,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:16,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:16,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:16,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 16:11:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:16,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:16,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:16,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:16,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:16,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:16,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 16:11:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:16,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:16,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:16,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:16,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:16,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:16,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 16:11:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:16,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:16,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:16,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:16,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:16,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:16,349 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 154 proven. 102 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-09-24 16:11:16,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080891298] [2020-09-24 16:11:16,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:16,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 16:11:16,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804125953] [2020-09-24 16:11:16,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 16:11:16,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:16,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 16:11:16,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-09-24 16:11:16,352 INFO L87 Difference]: Start difference. First operand 132 states and 137 transitions. Second operand 18 states. [2020-09-24 16:11:16,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:16,846 INFO L93 Difference]: Finished difference Result 254 states and 280 transitions. [2020-09-24 16:11:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 16:11:16,847 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 134 [2020-09-24 16:11:16,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:16,849 INFO L225 Difference]: With dead ends: 254 [2020-09-24 16:11:16,849 INFO L226 Difference]: Without dead ends: 197 [2020-09-24 16:11:16,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=320, Invalid=672, Unknown=0, NotChecked=0, Total=992 [2020-09-24 16:11:16,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-09-24 16:11:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 138. [2020-09-24 16:11:16,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-09-24 16:11:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 143 transitions. [2020-09-24 16:11:16,866 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 143 transitions. Word has length 134 [2020-09-24 16:11:16,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:16,866 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 143 transitions. [2020-09-24 16:11:16,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 16:11:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2020-09-24 16:11:16,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-24 16:11:16,869 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:16,870 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:16,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 16:11:16,870 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:16,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:16,871 INFO L82 PathProgramCache]: Analyzing trace with hash 318138221, now seen corresponding path program 11 times [2020-09-24 16:11:16,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:16,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100255247] [2020-09-24 16:11:16,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 16:11:16,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 16:11:16,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 16:11:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-24 16:11:16,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:17,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:17,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:17,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:17,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:17,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:17,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:17,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:17,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:17,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:17,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:17,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:17,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:17,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-24 16:11:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:17,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:17,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:17,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:17,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:17,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:17,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:17,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:17,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:17,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:17,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-24 16:11:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:17,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:17,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:17,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:17,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:17,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:17,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:17,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:17,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:17,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:17,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:17,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:17,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:17,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:11:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:17,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:17,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:17,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:17,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:17,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:17,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:17,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:17,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:17,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:17,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 16:11:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:17,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:17,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:17,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:17,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:17,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:17,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:17,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:17,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:17,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-09-24 16:11:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:17,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:17,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:17,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:17,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:17,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:17,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:17,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:17,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:17,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:17,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:17,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:17,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:17,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 16:11:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:17,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:17,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:17,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:17,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:17,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:17,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:17,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:17,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:17,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:17,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:17,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:17,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:17,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 16:11:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:17,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:17,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:17,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:17,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:17,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:17,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:17,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:11:17,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:17,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:17,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:17,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:17,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 154 proven. 140 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-09-24 16:11:17,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100255247] [2020-09-24 16:11:17,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:17,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-24 16:11:17,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307695305] [2020-09-24 16:11:17,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-24 16:11:17,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:17,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-24 16:11:17,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-09-24 16:11:17,349 INFO L87 Difference]: Start difference. First operand 138 states and 143 transitions. Second operand 19 states. [2020-09-24 16:11:17,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:17,922 INFO L93 Difference]: Finished difference Result 268 states and 297 transitions. [2020-09-24 16:11:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 16:11:17,922 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 140 [2020-09-24 16:11:17,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:17,924 INFO L225 Difference]: With dead ends: 268 [2020-09-24 16:11:17,924 INFO L226 Difference]: Without dead ends: 211 [2020-09-24 16:11:17,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=395, Invalid=795, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 16:11:17,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-09-24 16:11:17,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 144. [2020-09-24 16:11:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-09-24 16:11:17,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 149 transitions. [2020-09-24 16:11:17,933 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 149 transitions. Word has length 140 [2020-09-24 16:11:17,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:17,934 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 149 transitions. [2020-09-24 16:11:17,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-24 16:11:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 149 transitions. [2020-09-24 16:11:17,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-09-24 16:11:17,936 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:17,936 INFO L422 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:17,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 16:11:17,936 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:17,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:17,937 INFO L82 PathProgramCache]: Analyzing trace with hash 435110773, now seen corresponding path program 12 times [2020-09-24 16:11:17,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:17,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268551457] [2020-09-24 16:11:17,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-24 16:11:18,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 16:11:18,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:11:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:18,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-09-24 16:11:18,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:18,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:18,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:18,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 16:11:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:18,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:18,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-24 16:11:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:18,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:18,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 16:11:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:18,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-24 16:11:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:18,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-09-24 16:11:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:18,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 16:11:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 16:11:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:18,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 198 proven. 140 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-09-24 16:11:18,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268551457] [2020-09-24 16:11:18,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:18,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 16:11:18,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250554852] [2020-09-24 16:11:18,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 16:11:18,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:18,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 16:11:18,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:11:18,263 INFO L87 Difference]: Start difference. First operand 144 states and 149 transitions. Second operand 13 states. [2020-09-24 16:11:18,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:18,402 INFO L93 Difference]: Finished difference Result 167 states and 173 transitions. [2020-09-24 16:11:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:11:18,403 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 146 [2020-09-24 16:11:18,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:18,405 INFO L225 Difference]: With dead ends: 167 [2020-09-24 16:11:18,405 INFO L226 Difference]: Without dead ends: 165 [2020-09-24 16:11:18,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:11:18,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-24 16:11:18,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 160. [2020-09-24 16:11:18,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-09-24 16:11:18,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 166 transitions. [2020-09-24 16:11:18,420 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 166 transitions. Word has length 146 [2020-09-24 16:11:18,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:18,421 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 166 transitions. [2020-09-24 16:11:18,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 16:11:18,421 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 166 transitions. [2020-09-24 16:11:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 16:11:18,423 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:18,424 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:18,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 16:11:18,424 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:18,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:18,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1491064175, now seen corresponding path program 13 times [2020-09-24 16:11:18,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:18,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216638553] [2020-09-24 16:11:18,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-24 16:11:18,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-24 16:11:18,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:11:18,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:18,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-09-24 16:11:18,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:18,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:18,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 16:11:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-24 16:11:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 16:11:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-24 16:11:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-09-24 16:11:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 16:11:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 16:11:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 16:11:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 16:11:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:18,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:18,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:18,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:18,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:18,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:18,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:18,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:18,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 252 proven. 184 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-09-24 16:11:18,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216638553] [2020-09-24 16:11:18,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:18,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-24 16:11:18,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892585277] [2020-09-24 16:11:18,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-24 16:11:18,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:18,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-24 16:11:18,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2020-09-24 16:11:18,951 INFO L87 Difference]: Start difference. First operand 160 states and 166 transitions. Second operand 22 states. [2020-09-24 16:11:19,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:19,617 INFO L93 Difference]: Finished difference Result 310 states and 343 transitions. [2020-09-24 16:11:19,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-24 16:11:19,618 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 166 [2020-09-24 16:11:19,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:19,620 INFO L225 Difference]: With dead ends: 310 [2020-09-24 16:11:19,620 INFO L226 Difference]: Without dead ends: 241 [2020-09-24 16:11:19,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=500, Invalid=1060, Unknown=0, NotChecked=0, Total=1560 [2020-09-24 16:11:19,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-09-24 16:11:19,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 166. [2020-09-24 16:11:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-09-24 16:11:19,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 172 transitions. [2020-09-24 16:11:19,638 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 172 transitions. Word has length 166 [2020-09-24 16:11:19,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:19,638 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 172 transitions. [2020-09-24 16:11:19,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-24 16:11:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 172 transitions. [2020-09-24 16:11:19,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 16:11:19,641 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:19,641 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:19,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 16:11:19,641 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:19,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:19,642 INFO L82 PathProgramCache]: Analyzing trace with hash -586773351, now seen corresponding path program 14 times [2020-09-24 16:11:19,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:19,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765264812] [2020-09-24 16:11:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:19,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:19,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:19,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:19,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:19,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:11:19,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:19,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 16:11:19,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-24 16:11:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:19,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-09-24 16:11:19,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:20,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:20,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:20,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:20,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:20,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:20,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:20,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:20,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:20,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:20,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:20,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:20,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-24 16:11:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:20,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:20,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:20,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:20,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:20,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:20,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:20,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:20,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:20,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-24 16:11:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:20,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:20,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:20,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:20,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:20,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:20,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:20,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:20,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:20,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:20,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-24 16:11:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:20,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:20,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:20,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:20,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:20,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:20,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:20,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-09-24 16:11:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:20,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:20,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:20,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:20,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:20,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:20,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:20,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:20,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:20,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:20,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:20,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:20,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:20,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 16:11:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:20,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:20,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:20,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:20,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:20,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:20,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:20,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:20,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:20,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 16:11:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:20,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:20,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:20,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:20,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:20,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:20,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:20,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:20,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:20,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:20,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 16:11:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:20,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:20,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:20,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:20,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:20,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:20,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:20,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:20,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:20,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:20,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:20,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:20,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 16:11:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:20,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:20,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:20,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:20,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:20,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:20,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:20,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:20,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:20,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:20,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-24 16:11:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:20,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:20,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:20,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:20,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:20,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:20,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:20,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:20,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:20,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:20,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:20,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:20,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 252 proven. 234 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-09-24 16:11:20,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765264812] [2020-09-24 16:11:20,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:20,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-24 16:11:20,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547571821] [2020-09-24 16:11:20,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-24 16:11:20,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:20,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-24 16:11:20,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-09-24 16:11:20,284 INFO L87 Difference]: Start difference. First operand 166 states and 172 transitions. Second operand 23 states. [2020-09-24 16:11:21,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:21,196 INFO L93 Difference]: Finished difference Result 324 states and 360 transitions. [2020-09-24 16:11:21,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-24 16:11:21,196 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 172 [2020-09-24 16:11:21,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:21,199 INFO L225 Difference]: With dead ends: 324 [2020-09-24 16:11:21,199 INFO L226 Difference]: Without dead ends: 255 [2020-09-24 16:11:21,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=593, Invalid=1213, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 16:11:21,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-09-24 16:11:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 172. [2020-09-24 16:11:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-24 16:11:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 178 transitions. [2020-09-24 16:11:21,210 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 178 transitions. Word has length 172 [2020-09-24 16:11:21,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:21,210 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 178 transitions. [2020-09-24 16:11:21,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-24 16:11:21,210 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 178 transitions. [2020-09-24 16:11:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-24 16:11:21,212 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:21,213 INFO L422 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:21,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 16:11:21,213 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:21,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:21,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1481459873, now seen corresponding path program 15 times [2020-09-24 16:11:21,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:21,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284369095] [2020-09-24 16:11:21,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-24 16:11:21,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 16:11:21,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:11:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-09-24 16:11:21,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:21,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:21,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:21,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 16:11:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:21,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:21,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:21,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:21,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:21,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:21,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-24 16:11:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:21,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:11:21,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:21,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 16:11:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:21,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:21,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:21,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:21,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:21,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:21,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-24 16:11:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:21,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:21,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:21,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:21,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:21,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:21,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 16:11:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:21,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:21,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:21,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:21,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 16:11:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:21,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:21,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:21,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:21,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:21,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:21,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 16:11:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:21,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:21,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:21,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:21,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 16:11:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:21,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:21,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:21,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:21,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-24 16:11:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:21,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:21,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:21,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:21,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:21,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:21,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:21,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:21,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:21,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:21,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:21,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 308 proven. 234 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-09-24 16:11:21,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284369095] [2020-09-24 16:11:21,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:21,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 16:11:21,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229897965] [2020-09-24 16:11:21,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 16:11:21,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:21,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 16:11:21,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2020-09-24 16:11:21,701 INFO L87 Difference]: Start difference. First operand 172 states and 178 transitions. Second operand 15 states. [2020-09-24 16:11:21,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:21,857 INFO L93 Difference]: Finished difference Result 195 states and 202 transitions. [2020-09-24 16:11:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 16:11:21,858 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 178 [2020-09-24 16:11:21,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:21,860 INFO L225 Difference]: With dead ends: 195 [2020-09-24 16:11:21,860 INFO L226 Difference]: Without dead ends: 193 [2020-09-24 16:11:21,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:11:21,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-24 16:11:21,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 188. [2020-09-24 16:11:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-24 16:11:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions. [2020-09-24 16:11:21,876 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 178 [2020-09-24 16:11:21,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:21,877 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 195 transitions. [2020-09-24 16:11:21,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 16:11:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions. [2020-09-24 16:11:21,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 16:11:21,881 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:21,881 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:21,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 16:11:21,882 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:21,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:21,883 INFO L82 PathProgramCache]: Analyzing trace with hash 831775165, now seen corresponding path program 16 times [2020-09-24 16:11:21,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:21,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588272038] [2020-09-24 16:11:21,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-09-24 16:11:22,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 16:11:22,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:11:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-09-24 16:11:22,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:22,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:22,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:11:22,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:22,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:22,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:22,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 16:11:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:22,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:22,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-24 16:11:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:11:22,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:22,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 16:11:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 16:11:22,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:22,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-24 16:11:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:22,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:22,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 16:11:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:22,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:22,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 16:11:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:22,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:22,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 16:11:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:22,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:22,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 16:11:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:22,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:22,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-24 16:11:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:22,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:22,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-24 16:11:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:22,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:22,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 16:11:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:22,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:22,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:22,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:22,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:22,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:22,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:22,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:22,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 374 proven. 290 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-09-24 16:11:22,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588272038] [2020-09-24 16:11:22,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:22,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-09-24 16:11:22,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704938890] [2020-09-24 16:11:22,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-24 16:11:22,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:22,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-24 16:11:22,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2020-09-24 16:11:22,652 INFO L87 Difference]: Start difference. First operand 188 states and 195 transitions. Second operand 26 states. [2020-09-24 16:11:23,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:23,551 INFO L93 Difference]: Finished difference Result 366 states and 406 transitions. [2020-09-24 16:11:23,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 16:11:23,552 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 198 [2020-09-24 16:11:23,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:23,555 INFO L225 Difference]: With dead ends: 366 [2020-09-24 16:11:23,555 INFO L226 Difference]: Without dead ends: 285 [2020-09-24 16:11:23,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=720, Invalid=1536, Unknown=0, NotChecked=0, Total=2256 [2020-09-24 16:11:23,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-24 16:11:23,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 194. [2020-09-24 16:11:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-09-24 16:11:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 201 transitions. [2020-09-24 16:11:23,568 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 201 transitions. Word has length 198 [2020-09-24 16:11:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:23,568 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 201 transitions. [2020-09-24 16:11:23,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-24 16:11:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 201 transitions. [2020-09-24 16:11:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 16:11:23,571 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:23,571 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:23,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 16:11:23,571 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:23,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:23,572 INFO L82 PathProgramCache]: Analyzing trace with hash -735042619, now seen corresponding path program 17 times [2020-09-24 16:11:23,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:23,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481236411] [2020-09-24 16:11:23,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:23,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:23,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:23,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:23,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:23,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-24 16:11:23,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:23,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-24 16:11:23,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-24 16:11:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-09-24 16:11:23,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:24,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:24,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:24,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:24,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 16:11:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 16:11:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 16:11:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 16:11:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 16:11:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 16:11:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-24 16:11:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-24 16:11:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-24 16:11:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 16:11:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 16:11:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:24,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:24,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:24,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:24,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:24,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:24,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:24,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:24,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:24,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 374 proven. 352 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-09-24 16:11:24,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481236411] [2020-09-24 16:11:24,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:24,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-24 16:11:24,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698703877] [2020-09-24 16:11:24,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-24 16:11:24,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:24,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-24 16:11:24,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-09-24 16:11:24,232 INFO L87 Difference]: Start difference. First operand 194 states and 201 transitions. Second operand 27 states. [2020-09-24 16:11:25,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:25,303 INFO L93 Difference]: Finished difference Result 380 states and 423 transitions. [2020-09-24 16:11:25,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-09-24 16:11:25,304 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 204 [2020-09-24 16:11:25,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:25,306 INFO L225 Difference]: With dead ends: 380 [2020-09-24 16:11:25,306 INFO L226 Difference]: Without dead ends: 299 [2020-09-24 16:11:25,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=831, Invalid=1719, Unknown=0, NotChecked=0, Total=2550 [2020-09-24 16:11:25,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-09-24 16:11:25,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 200. [2020-09-24 16:11:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-09-24 16:11:25,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 207 transitions. [2020-09-24 16:11:25,317 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 207 transitions. Word has length 204 [2020-09-24 16:11:25,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:25,318 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 207 transitions. [2020-09-24 16:11:25,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-24 16:11:25,318 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 207 transitions. [2020-09-24 16:11:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-24 16:11:25,320 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:25,321 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:25,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 16:11:25,321 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:25,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:25,321 INFO L82 PathProgramCache]: Analyzing trace with hash 340049869, now seen corresponding path program 18 times [2020-09-24 16:11:25,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:25,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702051337] [2020-09-24 16:11:25,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-09-24 16:11:25,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-24 16:11:25,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:11:25,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:25,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 226 [2020-09-24 16:11:25,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:25,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:25,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 16:11:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-09-24 16:11:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 16:11:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 16:11:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 16:11:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 16:11:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 16:11:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 16:11:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 16:11:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 16:11:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-24 16:11:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:25,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:25,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:25,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:25,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:25,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:25,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:25,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:25,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:25,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:25,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:25,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:25,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1014 backedges. 442 proven. 352 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-09-24 16:11:25,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702051337] [2020-09-24 16:11:25,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:25,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 16:11:25,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45217587] [2020-09-24 16:11:25,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 16:11:25,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:25,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 16:11:25,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=163, Unknown=0, NotChecked=0, Total=272 [2020-09-24 16:11:25,800 INFO L87 Difference]: Start difference. First operand 200 states and 207 transitions. Second operand 17 states. [2020-09-24 16:11:25,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:25,944 INFO L93 Difference]: Finished difference Result 223 states and 231 transitions. [2020-09-24 16:11:25,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 16:11:25,944 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 210 [2020-09-24 16:11:25,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:25,947 INFO L225 Difference]: With dead ends: 223 [2020-09-24 16:11:25,947 INFO L226 Difference]: Without dead ends: 221 [2020-09-24 16:11:25,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2020-09-24 16:11:25,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-09-24 16:11:25,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 216. [2020-09-24 16:11:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-09-24 16:11:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 224 transitions. [2020-09-24 16:11:25,960 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 224 transitions. Word has length 210 [2020-09-24 16:11:25,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:25,961 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 224 transitions. [2020-09-24 16:11:25,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 16:11:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 224 transitions. [2020-09-24 16:11:25,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 16:11:25,964 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:25,964 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:25,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 16:11:25,965 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:25,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:25,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1871443223, now seen corresponding path program 19 times [2020-09-24 16:11:25,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:25,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654687236] [2020-09-24 16:11:25,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 16:11:26,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 16:11:26,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 16:11:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 222 [2020-09-24 16:11:26,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:26,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:26,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 16:11:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-09-24 16:11:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 16:11:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 16:11:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 16:11:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 16:11:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 16:11:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 16:11:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 16:11:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 16:11:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-24 16:11:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 16:11:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:26,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:26,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:26,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:26,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 16:11:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:26,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:26,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:26,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:26,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:26,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:26,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:26,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:26,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:26,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:26,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:11:26,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:26,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 518 proven. 420 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-09-24 16:11:26,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654687236] [2020-09-24 16:11:26,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:26,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-09-24 16:11:26,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276603566] [2020-09-24 16:11:26,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-09-24 16:11:26,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:26,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-09-24 16:11:26,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2020-09-24 16:11:26,732 INFO L87 Difference]: Start difference. First operand 216 states and 224 transitions. Second operand 29 states. [2020-09-24 16:11:28,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:28,008 INFO L93 Difference]: Finished difference Result 422 states and 469 transitions. [2020-09-24 16:11:28,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-24 16:11:28,009 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 230 [2020-09-24 16:11:28,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:28,011 INFO L225 Difference]: With dead ends: 422 [2020-09-24 16:11:28,011 INFO L226 Difference]: Without dead ends: 329 [2020-09-24 16:11:28,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=965, Invalid=2005, Unknown=0, NotChecked=0, Total=2970 [2020-09-24 16:11:28,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-09-24 16:11:28,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 222. [2020-09-24 16:11:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-24 16:11:28,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 230 transitions. [2020-09-24 16:11:28,024 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 230 transitions. Word has length 230 [2020-09-24 16:11:28,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:28,024 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 230 transitions. [2020-09-24 16:11:28,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-09-24 16:11:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 230 transitions. [2020-09-24 16:11:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-09-24 16:11:28,028 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:28,028 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:28,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 16:11:28,029 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:28,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:28,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1346776305, now seen corresponding path program 20 times [2020-09-24 16:11:28,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:28,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353768817] [2020-09-24 16:11:28,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 16:11:28,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-24 16:11:28,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-24 16:11:28,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:28,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 256 [2020-09-24 16:11:28,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:28,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:28,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:28,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-24 16:11:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:28,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-09-24 16:11:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:28,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 16:11:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:28,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 16:11:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:28,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 16:11:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 16:11:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:28,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-24 16:11:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:28,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 16:11:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:28,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 16:11:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:28,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 16:11:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:28,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 16:11:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:28,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:28,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 16:11:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:28,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 16:11:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:28,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:28,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:28,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 520 proven. 494 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-09-24 16:11:28,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353768817] [2020-09-24 16:11:28,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:28,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 16:11:28,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231219596] [2020-09-24 16:11:28,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 16:11:28,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:28,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 16:11:28,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=182, Unknown=0, NotChecked=0, Total=306 [2020-09-24 16:11:28,631 INFO L87 Difference]: Start difference. First operand 222 states and 230 transitions. Second operand 18 states. [2020-09-24 16:11:28,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:28,760 INFO L93 Difference]: Finished difference Result 239 states and 247 transitions. [2020-09-24 16:11:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 16:11:28,761 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 236 [2020-09-24 16:11:28,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:28,763 INFO L225 Difference]: With dead ends: 239 [2020-09-24 16:11:28,763 INFO L226 Difference]: Without dead ends: 237 [2020-09-24 16:11:28,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=214, Unknown=0, NotChecked=0, Total=342 [2020-09-24 16:11:28,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-09-24 16:11:28,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 232. [2020-09-24 16:11:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-09-24 16:11:28,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 240 transitions. [2020-09-24 16:11:28,775 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 240 transitions. Word has length 236 [2020-09-24 16:11:28,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:28,778 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 240 transitions. [2020-09-24 16:11:28,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 16:11:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 240 transitions. [2020-09-24 16:11:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-09-24 16:11:28,779 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:28,780 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:28,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-24 16:11:28,780 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:28,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:28,780 INFO L82 PathProgramCache]: Analyzing trace with hash -554583489, now seen corresponding path program 21 times [2020-09-24 16:11:28,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:28,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787624129] [2020-09-24 16:11:28,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:28,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:28,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:28,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:28,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:28,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-09-24 16:11:28,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:28,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 16:11:28,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:28,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:11:28,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 252 [2020-09-24 16:11:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:29,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:29,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:29,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-24 16:11:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-09-24 16:11:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 16:11:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 16:11:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 16:11:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 16:11:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-24 16:11:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 16:11:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 16:11:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 16:11:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:29,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 16:11:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:29,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 16:11:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:29,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 16:11:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:29,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 16:11:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:29,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:29,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:29,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:29,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:29,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:29,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:29,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:29,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:29,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1460 backedges. 602 proven. 494 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-09-24 16:11:29,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787624129] [2020-09-24 16:11:29,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:29,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-09-24 16:11:29,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825818420] [2020-09-24 16:11:29,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-09-24 16:11:29,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:29,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-09-24 16:11:29,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=735, Unknown=0, NotChecked=0, Total=992 [2020-09-24 16:11:29,649 INFO L87 Difference]: Start difference. First operand 232 states and 240 transitions. Second operand 32 states. [2020-09-24 16:11:31,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:31,064 INFO L93 Difference]: Finished difference Result 452 states and 502 transitions. [2020-09-24 16:11:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-24 16:11:31,065 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 246 [2020-09-24 16:11:31,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:31,068 INFO L225 Difference]: With dead ends: 452 [2020-09-24 16:11:31,068 INFO L226 Difference]: Without dead ends: 353 [2020-09-24 16:11:31,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1125, Invalid=2415, Unknown=0, NotChecked=0, Total=3540 [2020-09-24 16:11:31,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2020-09-24 16:11:31,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 238. [2020-09-24 16:11:31,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-09-24 16:11:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 246 transitions. [2020-09-24 16:11:31,086 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 246 transitions. Word has length 246 [2020-09-24 16:11:31,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:31,087 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 246 transitions. [2020-09-24 16:11:31,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-09-24 16:11:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 246 transitions. [2020-09-24 16:11:31,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-09-24 16:11:31,090 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:31,090 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:31,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-24 16:11:31,091 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:31,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:31,091 INFO L82 PathProgramCache]: Analyzing trace with hash -812725177, now seen corresponding path program 22 times [2020-09-24 16:11:31,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:31,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639436441] [2020-09-24 16:11:31,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-09-24 16:11:31,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 16:11:31,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-24 16:11:31,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:31,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 258 [2020-09-24 16:11:31,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:31,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:31,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:11:31,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-09-24 16:11:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 16:11:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 16:11:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 16:11:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 16:11:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-24 16:11:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-24 16:11:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 16:11:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 16:11:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 16:11:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:31,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 16:11:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-24 16:11:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 16:11:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:31,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-24 16:11:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:31,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:31,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:31,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:31,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:31,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:31,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:31,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:31,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:31,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 602 proven. 574 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-09-24 16:11:32,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639436441] [2020-09-24 16:11:32,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:32,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-09-24 16:11:32,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394247461] [2020-09-24 16:11:32,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-09-24 16:11:32,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:32,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-09-24 16:11:32,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 16:11:32,024 INFO L87 Difference]: Start difference. First operand 238 states and 246 transitions. Second operand 33 states. [2020-09-24 16:11:33,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:33,581 INFO L93 Difference]: Finished difference Result 466 states and 519 transitions. [2020-09-24 16:11:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-09-24 16:11:33,582 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 252 [2020-09-24 16:11:33,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:33,585 INFO L225 Difference]: With dead ends: 466 [2020-09-24 16:11:33,585 INFO L226 Difference]: Without dead ends: 367 [2020-09-24 16:11:33,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1263, Invalid=2643, Unknown=0, NotChecked=0, Total=3906 [2020-09-24 16:11:33,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-09-24 16:11:33,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 244. [2020-09-24 16:11:33,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-24 16:11:33,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 252 transitions. [2020-09-24 16:11:33,602 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 252 transitions. Word has length 252 [2020-09-24 16:11:33,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:33,604 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 252 transitions. [2020-09-24 16:11:33,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-09-24 16:11:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 252 transitions. [2020-09-24 16:11:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-09-24 16:11:33,606 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:33,607 INFO L422 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:33,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-24 16:11:33,607 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:33,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:33,608 INFO L82 PathProgramCache]: Analyzing trace with hash -305645489, now seen corresponding path program 23 times [2020-09-24 16:11:33,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:33,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057595406] [2020-09-24 16:11:33,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:33,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:33,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:33,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:33,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:33,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-24 16:11:33,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:33,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-24 16:11:33,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:33,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:11:33,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:33,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 280 [2020-09-24 16:11:33,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:34,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:34,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:34,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-24 16:11:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 16:11:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 16:11:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 16:11:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 16:11:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-24 16:11:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-24 16:11:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 16:11:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 16:11:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 16:11:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 16:11:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 16:11:34,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 16:11:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 16:11:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 16:11:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:34,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:34,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:34,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1626 backedges. 688 proven. 574 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-09-24 16:11:34,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057595406] [2020-09-24 16:11:34,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:34,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-24 16:11:34,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338267004] [2020-09-24 16:11:34,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-24 16:11:34,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:34,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-24 16:11:34,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=223, Unknown=0, NotChecked=0, Total=380 [2020-09-24 16:11:34,213 INFO L87 Difference]: Start difference. First operand 244 states and 252 transitions. Second operand 20 states. [2020-09-24 16:11:34,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:34,413 INFO L93 Difference]: Finished difference Result 267 states and 276 transitions. [2020-09-24 16:11:34,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 16:11:34,413 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 258 [2020-09-24 16:11:34,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:34,416 INFO L225 Difference]: With dead ends: 267 [2020-09-24 16:11:34,417 INFO L226 Difference]: Without dead ends: 265 [2020-09-24 16:11:34,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=161, Invalid=259, Unknown=0, NotChecked=0, Total=420 [2020-09-24 16:11:34,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-24 16:11:34,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 260. [2020-09-24 16:11:34,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-09-24 16:11:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 269 transitions. [2020-09-24 16:11:34,427 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 269 transitions. Word has length 258 [2020-09-24 16:11:34,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:34,428 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 269 transitions. [2020-09-24 16:11:34,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-24 16:11:34,429 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 269 transitions. [2020-09-24 16:11:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-24 16:11:34,430 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:34,431 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:34,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-09-24 16:11:34,431 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:34,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:34,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1556599189, now seen corresponding path program 24 times [2020-09-24 16:11:34,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:34,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9916963] [2020-09-24 16:11:34,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:34,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:34,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:34,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:34,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:34,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-09-24 16:11:34,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:34,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-24 16:11:34,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:11:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 288 [2020-09-24 16:11:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:35,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:35,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:35,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-24 16:11:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 16:11:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 16:11:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 16:11:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 16:11:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-24 16:11:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-24 16:11:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 16:11:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 16:11:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 16:11:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 16:11:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 16:11:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 16:11:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 16:11:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 16:11:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-24 16:11:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:35,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:35,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:35,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:35,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:35,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:35,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:35,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:35,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:35,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 784 proven. 660 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-09-24 16:11:35,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9916963] [2020-09-24 16:11:35,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:35,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-09-24 16:11:35,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044683395] [2020-09-24 16:11:35,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-09-24 16:11:35,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:35,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-09-24 16:11:35,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=935, Unknown=0, NotChecked=0, Total=1260 [2020-09-24 16:11:35,428 INFO L87 Difference]: Start difference. First operand 260 states and 269 transitions. Second operand 36 states. [2020-09-24 16:11:37,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:37,141 INFO L93 Difference]: Finished difference Result 508 states and 565 transitions. [2020-09-24 16:11:37,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-24 16:11:37,142 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 278 [2020-09-24 16:11:37,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:37,145 INFO L225 Difference]: With dead ends: 508 [2020-09-24 16:11:37,145 INFO L226 Difference]: Without dead ends: 397 [2020-09-24 16:11:37,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1445, Invalid=3111, Unknown=0, NotChecked=0, Total=4556 [2020-09-24 16:11:37,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-09-24 16:11:37,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 266. [2020-09-24 16:11:37,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-09-24 16:11:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 275 transitions. [2020-09-24 16:11:37,158 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 275 transitions. Word has length 278 [2020-09-24 16:11:37,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:37,159 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 275 transitions. [2020-09-24 16:11:37,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-09-24 16:11:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 275 transitions. [2020-09-24 16:11:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-24 16:11:37,161 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:37,161 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:37,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-09-24 16:11:37,161 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:37,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:37,162 INFO L82 PathProgramCache]: Analyzing trace with hash -104128397, now seen corresponding path program 25 times [2020-09-24 16:11:37,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:37,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086511520] [2020-09-24 16:11:37,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:37,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:37,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:37,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:37,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:37,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-09-24 16:11:37,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:37,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-09-24 16:11:37,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:37,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-24 16:11:37,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:37,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 294 [2020-09-24 16:11:37,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:38,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:38,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:38,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 16:11:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 16:11:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 16:11:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-24 16:11:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-24 16:11:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-24 16:11:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 16:11:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 16:11:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 16:11:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 16:11:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 16:11:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-09-24 16:11:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 16:11:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:38,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-09-24 16:11:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:38,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-24 16:11:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-09-24 16:11:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:38,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:38,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:38,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:38,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:38,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:38,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:38,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:38,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:38,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 784 proven. 752 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-09-24 16:11:38,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086511520] [2020-09-24 16:11:38,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:38,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-09-24 16:11:38,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136948335] [2020-09-24 16:11:38,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-09-24 16:11:38,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:38,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-09-24 16:11:38,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=989, Unknown=0, NotChecked=0, Total=1332 [2020-09-24 16:11:38,324 INFO L87 Difference]: Start difference. First operand 266 states and 275 transitions. Second operand 37 states. [2020-09-24 16:11:40,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:40,211 INFO L93 Difference]: Finished difference Result 522 states and 582 transitions. [2020-09-24 16:11:40,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-09-24 16:11:40,211 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 284 [2020-09-24 16:11:40,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:40,214 INFO L225 Difference]: With dead ends: 522 [2020-09-24 16:11:40,214 INFO L226 Difference]: Without dead ends: 411 [2020-09-24 16:11:40,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1601, Invalid=3369, Unknown=0, NotChecked=0, Total=4970 [2020-09-24 16:11:40,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-09-24 16:11:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 272. [2020-09-24 16:11:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-09-24 16:11:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 281 transitions. [2020-09-24 16:11:40,229 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 281 transitions. Word has length 284 [2020-09-24 16:11:40,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:40,229 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 281 transitions. [2020-09-24 16:11:40,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-09-24 16:11:40,229 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 281 transitions. [2020-09-24 16:11:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-09-24 16:11:40,231 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:40,231 INFO L422 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:40,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-09-24 16:11:40,232 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:40,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:40,232 INFO L82 PathProgramCache]: Analyzing trace with hash -435000197, now seen corresponding path program 26 times [2020-09-24 16:11:40,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:40,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907664603] [2020-09-24 16:11:40,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-09-24 16:11:40,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-09-24 16:11:40,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:11:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 316 [2020-09-24 16:11:40,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:40,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:40,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 16:11:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:40,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 16:11:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 16:11:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 16:11:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:40,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 16:11:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 16:11:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 16:11:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-24 16:11:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:40,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 16:11:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 16:11:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 16:11:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:40,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-24 16:11:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:40,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 16:11:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-24 16:11:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:40,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-24 16:11:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-09-24 16:11:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:40,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:40,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:40,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:40,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:40,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:40,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:40,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:40,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 882 proven. 752 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-09-24 16:11:40,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907664603] [2020-09-24 16:11:40,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:40,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-24 16:11:40,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255086083] [2020-09-24 16:11:40,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-24 16:11:40,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:40,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-24 16:11:40,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=268, Unknown=0, NotChecked=0, Total=462 [2020-09-24 16:11:40,918 INFO L87 Difference]: Start difference. First operand 272 states and 281 transitions. Second operand 22 states. [2020-09-24 16:11:41,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:41,170 INFO L93 Difference]: Finished difference Result 295 states and 305 transitions. [2020-09-24 16:11:41,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 16:11:41,171 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 290 [2020-09-24 16:11:41,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:41,173 INFO L225 Difference]: With dead ends: 295 [2020-09-24 16:11:41,174 INFO L226 Difference]: Without dead ends: 293 [2020-09-24 16:11:41,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2020-09-24 16:11:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-24 16:11:41,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 288. [2020-09-24 16:11:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-09-24 16:11:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 298 transitions. [2020-09-24 16:11:41,184 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 298 transitions. Word has length 290 [2020-09-24 16:11:41,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:41,185 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 298 transitions. [2020-09-24 16:11:41,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-24 16:11:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 298 transitions. [2020-09-24 16:11:41,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-09-24 16:11:41,187 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:41,187 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:41,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-09-24 16:11:41,187 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:41,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:41,188 INFO L82 PathProgramCache]: Analyzing trace with hash -827681641, now seen corresponding path program 27 times [2020-09-24 16:11:41,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:41,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887695577] [2020-09-24 16:11:41,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:41,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:41,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:41,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:41,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:41,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 355 [2020-09-24 16:11:41,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:41,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-09-24 16:11:41,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:11:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 324 [2020-09-24 16:11:41,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:42,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:42,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:42,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 16:11:42,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 16:11:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:42,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 16:11:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:11:42,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 16:11:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 16:11:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:42,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 16:11:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 16:11:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 16:11:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-24 16:11:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 16:11:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 16:11:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 16:11:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-24 16:11:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 16:11:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-24 16:11:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-24 16:11:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-09-24 16:11:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 16:11:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-24 16:11:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:42,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:42,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:42,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:42,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:42,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:42,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:42,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:42,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:42,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:42,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:42,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:42,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 990 proven. 850 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-09-24 16:11:42,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887695577] [2020-09-24 16:11:42,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:42,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-09-24 16:11:42,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974678895] [2020-09-24 16:11:42,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-09-24 16:11:42,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:42,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-09-24 16:11:42,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=1159, Unknown=0, NotChecked=0, Total=1560 [2020-09-24 16:11:42,526 INFO L87 Difference]: Start difference. First operand 288 states and 298 transitions. Second operand 40 states. [2020-09-24 16:11:44,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:44,683 INFO L93 Difference]: Finished difference Result 564 states and 628 transitions. [2020-09-24 16:11:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-24 16:11:44,685 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 310 [2020-09-24 16:11:44,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:44,687 INFO L225 Difference]: With dead ends: 564 [2020-09-24 16:11:44,688 INFO L226 Difference]: Without dead ends: 441 [2020-09-24 16:11:44,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1805, Invalid=3895, Unknown=0, NotChecked=0, Total=5700 [2020-09-24 16:11:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2020-09-24 16:11:44,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 294. [2020-09-24 16:11:44,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-09-24 16:11:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 304 transitions. [2020-09-24 16:11:44,701 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 304 transitions. Word has length 310 [2020-09-24 16:11:44,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:44,701 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 304 transitions. [2020-09-24 16:11:44,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-09-24 16:11:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 304 transitions. [2020-09-24 16:11:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-09-24 16:11:44,703 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:44,704 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:44,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-09-24 16:11:44,704 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:44,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:44,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1001612959, now seen corresponding path program 28 times [2020-09-24 16:11:44,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:44,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718738589] [2020-09-24 16:11:44,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:44,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:44,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:44,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:44,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:44,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-09-24 16:11:44,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:44,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-24 16:11:44,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:44,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-24 16:11:44,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:44,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 330 [2020-09-24 16:11:44,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:45,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:45,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:45,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 16:11:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 16:11:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 16:11:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-24 16:11:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 16:11:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 16:11:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 16:11:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 16:11:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 16:11:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 16:11:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 16:11:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-09-24 16:11:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-09-24 16:11:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 16:11:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-24 16:11:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-24 16:11:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-09-24 16:11:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:45,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-24 16:11:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:45,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:45,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:45,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:45,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:45,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:45,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:45,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:45,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:45,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:45,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:45,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 990 proven. 954 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-09-24 16:11:45,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718738589] [2020-09-24 16:11:45,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:45,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-09-24 16:11:45,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108012788] [2020-09-24 16:11:45,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-09-24 16:11:45,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:45,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-09-24 16:11:45,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=1219, Unknown=0, NotChecked=0, Total=1640 [2020-09-24 16:11:45,984 INFO L87 Difference]: Start difference. First operand 294 states and 304 transitions. Second operand 41 states. [2020-09-24 16:11:48,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:48,350 INFO L93 Difference]: Finished difference Result 578 states and 645 transitions. [2020-09-24 16:11:48,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-09-24 16:11:48,351 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 316 [2020-09-24 16:11:48,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:48,353 INFO L225 Difference]: With dead ends: 578 [2020-09-24 16:11:48,353 INFO L226 Difference]: Without dead ends: 455 [2020-09-24 16:11:48,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1979, Invalid=4183, Unknown=0, NotChecked=0, Total=6162 [2020-09-24 16:11:48,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2020-09-24 16:11:48,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 300. [2020-09-24 16:11:48,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-09-24 16:11:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 310 transitions. [2020-09-24 16:11:48,367 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 310 transitions. Word has length 316 [2020-09-24 16:11:48,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:48,368 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 310 transitions. [2020-09-24 16:11:48,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-09-24 16:11:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 310 transitions. [2020-09-24 16:11:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-09-24 16:11:48,370 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:48,370 INFO L422 BasicCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:48,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-09-24 16:11:48,370 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:48,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:48,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1183355559, now seen corresponding path program 29 times [2020-09-24 16:11:48,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:48,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829450243] [2020-09-24 16:11:48,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:48,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:48,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:48,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:48,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:48,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 367 [2020-09-24 16:11:48,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-24 16:11:48,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 16:11:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 352 [2020-09-24 16:11:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:48,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:48,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:48,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:48,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:48,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:48,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:48,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:48,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:48,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:48,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:48,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:48,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 16:11:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:48,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:48,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:48,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:48,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:48,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:48,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:48,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:48,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:48,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:48,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 16:11:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:48,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:48,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:48,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:48,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:48,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:48,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:48,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:48,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:48,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-24 16:11:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:48,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:48,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:48,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:48,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:48,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:48,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:48,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:48,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:48,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:48,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:48,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:48,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:48,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-24 16:11:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:48,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:48,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:48,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:48,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:48,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:48,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:48,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:48,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:48,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 16:11:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:48,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:48,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:48,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:48,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:48,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:48,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:48,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:48,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:48,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:48,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:48,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:48,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:48,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 16:11:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:48,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:48,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 16:11:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 16:11:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-24 16:11:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 16:11:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-24 16:11:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-24 16:11:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-24 16:11:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-24 16:11:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-09-24 16:11:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-24 16:11:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:49,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-09-24 16:11:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:49,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-09-24 16:11:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:49,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:49,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:49,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:49,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:49,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2666 backedges. 1100 proven. 954 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-09-24 16:11:49,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829450243] [2020-09-24 16:11:49,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:49,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 16:11:49,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517683522] [2020-09-24 16:11:49,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 16:11:49,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:49,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 16:11:49,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=317, Unknown=0, NotChecked=0, Total=552 [2020-09-24 16:11:49,241 INFO L87 Difference]: Start difference. First operand 300 states and 310 transitions. Second operand 24 states. [2020-09-24 16:11:49,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:49,504 INFO L93 Difference]: Finished difference Result 323 states and 334 transitions. [2020-09-24 16:11:49,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 16:11:49,505 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 322 [2020-09-24 16:11:49,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:49,507 INFO L225 Difference]: With dead ends: 323 [2020-09-24 16:11:49,507 INFO L226 Difference]: Without dead ends: 321 [2020-09-24 16:11:49,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=239, Invalid=361, Unknown=0, NotChecked=0, Total=600 [2020-09-24 16:11:49,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-09-24 16:11:49,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 316. [2020-09-24 16:11:49,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-09-24 16:11:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 327 transitions. [2020-09-24 16:11:49,523 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 327 transitions. Word has length 322 [2020-09-24 16:11:49,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:49,523 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 327 transitions. [2020-09-24 16:11:49,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 16:11:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 327 transitions. [2020-09-24 16:11:49,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-09-24 16:11:49,525 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:49,526 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:49,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-09-24 16:11:49,526 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:49,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:49,526 INFO L82 PathProgramCache]: Analyzing trace with hash 920382659, now seen corresponding path program 30 times [2020-09-24 16:11:49,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:49,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213238376] [2020-09-24 16:11:49,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:49,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:49,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:49,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:49,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:49,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 391 [2020-09-24 16:11:49,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:49,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-24 16:11:49,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 16:11:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-09-24 16:11:49,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:50,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:50,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 16:11:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 16:11:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:50,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-24 16:11:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-24 16:11:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:50,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 16:11:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:50,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 16:11:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 16:11:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 16:11:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-24 16:11:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 16:11:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-24 16:11:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:50,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-24 16:11:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:50,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-24 16:11:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-24 16:11:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-09-24 16:11:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:50,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-24 16:11:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:50,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-09-24 16:11:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-09-24 16:11:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-09-24 16:11:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-24 16:11:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:50,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:50,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:50,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:50,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:50,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:50,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:50,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:50,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:50,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:50,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:50,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:50,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:50,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3044 backedges. 1220 proven. 1064 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-09-24 16:11:50,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213238376] [2020-09-24 16:11:50,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:50,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-09-24 16:11:50,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482595792] [2020-09-24 16:11:50,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-09-24 16:11:50,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:50,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-09-24 16:11:50,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=485, Invalid=1407, Unknown=0, NotChecked=0, Total=1892 [2020-09-24 16:11:50,961 INFO L87 Difference]: Start difference. First operand 316 states and 327 transitions. Second operand 44 states. [2020-09-24 16:11:53,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:53,534 INFO L93 Difference]: Finished difference Result 620 states and 691 transitions. [2020-09-24 16:11:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-09-24 16:11:53,535 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 342 [2020-09-24 16:11:53,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:53,538 INFO L225 Difference]: With dead ends: 620 [2020-09-24 16:11:53,538 INFO L226 Difference]: Without dead ends: 485 [2020-09-24 16:11:53,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2205, Invalid=4767, Unknown=0, NotChecked=0, Total=6972 [2020-09-24 16:11:53,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-09-24 16:11:53,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 322. [2020-09-24 16:11:53,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-09-24 16:11:53,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 333 transitions. [2020-09-24 16:11:53,553 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 333 transitions. Word has length 342 [2020-09-24 16:11:53,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:53,553 INFO L479 AbstractCegarLoop]: Abstraction has 322 states and 333 transitions. [2020-09-24 16:11:53,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-09-24 16:11:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 333 transitions. [2020-09-24 16:11:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-09-24 16:11:53,555 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:53,556 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:53,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-09-24 16:11:53,556 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:53,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:53,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1792712395, now seen corresponding path program 31 times [2020-09-24 16:11:53,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:53,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801192487] [2020-09-24 16:11:53,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:53,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:53,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:53,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:53,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:53,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 397 [2020-09-24 16:11:53,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:53,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-24 16:11:53,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-24 16:11:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 366 [2020-09-24 16:11:53,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:54,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:54,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:54,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 16:11:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:54,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 16:11:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-24 16:11:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-24 16:11:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 16:11:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 16:11:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 16:11:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 16:11:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 16:11:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 16:11:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 16:11:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 16:11:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-24 16:11:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:54,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-09-24 16:11:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-09-24 16:11:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:54,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-09-24 16:11:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:54,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:54,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:54,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:54,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:54,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:54,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:54,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:54,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:54,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:55,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-09-24 16:11:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:55,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:55,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:55,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:55,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:55,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:55,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:55,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:55,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:55,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:55,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-09-24 16:11:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:55,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:55,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:55,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:55,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:55,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:55,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:55,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:55,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:55,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-24 16:11:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:55,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:55,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:55,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:55,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:55,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:55,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:55,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:55,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:55,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:55,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:55,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-09-24 16:11:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:55,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:55,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:55,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:55,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:55,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:55,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:55,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:55,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 1220 proven. 1180 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-09-24 16:11:55,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801192487] [2020-09-24 16:11:55,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:55,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-09-24 16:11:55,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237393539] [2020-09-24 16:11:55,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-09-24 16:11:55,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:55,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-09-24 16:11:55,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=507, Invalid=1473, Unknown=0, NotChecked=0, Total=1980 [2020-09-24 16:11:55,093 INFO L87 Difference]: Start difference. First operand 322 states and 333 transitions. Second operand 45 states. [2020-09-24 16:11:57,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:57,863 INFO L93 Difference]: Finished difference Result 634 states and 708 transitions. [2020-09-24 16:11:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-09-24 16:11:57,863 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 348 [2020-09-24 16:11:57,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:57,865 INFO L225 Difference]: With dead ends: 634 [2020-09-24 16:11:57,865 INFO L226 Difference]: Without dead ends: 499 [2020-09-24 16:11:57,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 840 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2397, Invalid=5085, Unknown=0, NotChecked=0, Total=7482 [2020-09-24 16:11:57,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-09-24 16:11:57,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 328. [2020-09-24 16:11:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-24 16:11:57,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 339 transitions. [2020-09-24 16:11:57,890 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 339 transitions. Word has length 348 [2020-09-24 16:11:57,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:57,891 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 339 transitions. [2020-09-24 16:11:57,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-09-24 16:11:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 339 transitions. [2020-09-24 16:11:57,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-09-24 16:11:57,895 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:57,895 INFO L422 BasicCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:57,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-09-24 16:11:57,895 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:57,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:57,896 INFO L82 PathProgramCache]: Analyzing trace with hash -457332013, now seen corresponding path program 32 times [2020-09-24 16:11:57,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:57,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579621373] [2020-09-24 16:11:57,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-09-24 16:11:58,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-24 16:11:58,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-24 16:11:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 16:11:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 388 [2020-09-24 16:11:58,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:58,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,694 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:11:58,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:58,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:58,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-24 16:11:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:58,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-24 16:11:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:11:58,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-24 16:11:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:11:58,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 16:11:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:11:58,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 16:11:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 16:11:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 16:11:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 16:11:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:11:58,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-09-24 16:11:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 16:11:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-09-24 16:11:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-24 16:11:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:58,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-09-24 16:11:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:58,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-09-24 16:11:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-24 16:11:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 16:11:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-24 16:11:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:58,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-09-24 16:11:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:58,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 16:11:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:58,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:58,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-24 16:11:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:58,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:58,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:58,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:58,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:58,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:11:58,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:58,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:11:58,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:58,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:11:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:11:58,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 1342 proven. 1180 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-09-24 16:11:58,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579621373] [2020-09-24 16:11:58,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:58,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-09-24 16:11:58,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997074275] [2020-09-24 16:11:58,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-24 16:11:58,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:58,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-24 16:11:58,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=370, Unknown=0, NotChecked=0, Total=650 [2020-09-24 16:11:58,993 INFO L87 Difference]: Start difference. First operand 328 states and 339 transitions. Second operand 26 states. [2020-09-24 16:11:59,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:59,263 INFO L93 Difference]: Finished difference Result 351 states and 363 transitions. [2020-09-24 16:11:59,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 16:11:59,264 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 354 [2020-09-24 16:11:59,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:59,267 INFO L225 Difference]: With dead ends: 351 [2020-09-24 16:11:59,267 INFO L226 Difference]: Without dead ends: 349 [2020-09-24 16:11:59,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=284, Invalid=418, Unknown=0, NotChecked=0, Total=702 [2020-09-24 16:11:59,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-09-24 16:11:59,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 344. [2020-09-24 16:11:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-09-24 16:11:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 356 transitions. [2020-09-24 16:11:59,283 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 356 transitions. Word has length 354 [2020-09-24 16:11:59,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:59,286 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 356 transitions. [2020-09-24 16:11:59,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-24 16:11:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 356 transitions. [2020-09-24 16:11:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-09-24 16:11:59,288 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:59,288 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:59,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-09-24 16:11:59,289 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:59,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:59,289 INFO L82 PathProgramCache]: Analyzing trace with hash 702494447, now seen corresponding path program 33 times [2020-09-24 16:11:59,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:59,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071398128] [2020-09-24 16:11:59,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:59,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:59,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:59,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:59,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:59,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 427 [2020-09-24 16:11:59,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:59,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-24 16:11:59,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:59,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-09-24 16:11:59,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:11:59,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 396 [2020-09-24 16:11:59,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:12:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:12:00,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:12:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:12:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-24 16:12:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:12:00,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-24 16:12:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:12:00,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-24 16:12:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:12:00,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 16:12:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:12:00,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 16:12:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:12:00,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 16:12:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 16:12:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 16:12:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-09-24 16:12:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 16:12:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-09-24 16:12:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-24 16:12:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-09-24 16:12:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-09-24 16:12:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-24 16:12:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 16:12:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-24 16:12:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-09-24 16:12:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 16:12:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-24 16:12:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-24 16:12:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:00,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-09-24 16:12:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:12:00,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:12:00,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:12:00,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:12:00,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:12:00,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:12:00,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:12:00,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:12:00,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:12:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:12:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:12:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:12:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:12:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3700 backedges. 1474 proven. 1302 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-09-24 16:12:01,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071398128] [2020-09-24 16:12:01,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:12:01,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-09-24 16:12:01,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295380352] [2020-09-24 16:12:01,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-09-24 16:12:01,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:12:01,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-09-24 16:12:01,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=577, Invalid=1679, Unknown=0, NotChecked=0, Total=2256 [2020-09-24 16:12:01,076 INFO L87 Difference]: Start difference. First operand 344 states and 356 transitions. Second operand 48 states.