/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/recursive-simple/fibo_2calls_6-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:58:30,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:58:30,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:58:30,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:58:30,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:58:30,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:58:30,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:58:30,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:58:30,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:58:30,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:58:30,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:58:30,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:58:30,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:58:30,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:58:30,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:58:30,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:58:30,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:58:30,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:58:30,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:58:30,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:58:30,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:58:30,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:58:30,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:58:30,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:58:30,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:58:30,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:58:30,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:58:30,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:58:30,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:58:30,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:58:30,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:58:30,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:58:30,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:58:30,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:58:30,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:58:30,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:58:30,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:58:30,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:58:30,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:58:30,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:58:30,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:58:30,971 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 15:58:30,998 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:58:30,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:58:30,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:58:31,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:58:31,000 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:58:31,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:58:31,001 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:58:31,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:58:31,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:58:31,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:58:31,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:58:31,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:58:31,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:58:31,002 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:58:31,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:58:31,002 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:58:31,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:58:31,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:58:31,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:58:31,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:58:31,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:58:31,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:58:31,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:58:31,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:58:31,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:58:31,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:58:31,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:58:31,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:58:31,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:58:31,005 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 15:58:31,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:58:31,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:58:31,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:58:31,486 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:58:31,487 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:58:31,488 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-09-24 15:58:31,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c317fac0/670bbe411c564c93ab3e1190fcbf013a/FLAGd70571b70 [2020-09-24 15:58:32,079 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:58:32,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-09-24 15:58:32,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c317fac0/670bbe411c564c93ab3e1190fcbf013a/FLAGd70571b70 [2020-09-24 15:58:32,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c317fac0/670bbe411c564c93ab3e1190fcbf013a [2020-09-24 15:58:32,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:58:32,429 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:58:32,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:58:32,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:58:32,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:58:32,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:58:32" (1/1) ... [2020-09-24 15:58:32,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25783b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32, skipping insertion in model container [2020-09-24 15:58:32,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:58:32" (1/1) ... [2020-09-24 15:58:32,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:58:32,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:58:32,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:58:32,769 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:58:32,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:58:32,805 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:58:32,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32 WrapperNode [2020-09-24 15:58:32,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:58:32,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:58:32,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:58:32,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:58:32,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32" (1/1) ... [2020-09-24 15:58:32,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32" (1/1) ... [2020-09-24 15:58:32,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32" (1/1) ... [2020-09-24 15:58:32,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32" (1/1) ... [2020-09-24 15:58:32,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32" (1/1) ... [2020-09-24 15:58:32,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32" (1/1) ... [2020-09-24 15:58:32,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32" (1/1) ... [2020-09-24 15:58:32,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:58:32,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:58:32,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:58:32,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:58:32,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32" (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 15:58:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:58:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:58:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-09-24 15:58:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-09-24 15:58:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:58:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:58:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:58:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-09-24 15:58:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-09-24 15:58:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:58:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:58:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:58:33,280 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:58:33,280 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:58:33,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:58:33 BoogieIcfgContainer [2020-09-24 15:58:33,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:58:33,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:58:33,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:58:33,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:58:33,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:58:32" (1/3) ... [2020-09-24 15:58:33,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c03a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:58:33, skipping insertion in model container [2020-09-24 15:58:33,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:32" (2/3) ... [2020-09-24 15:58:33,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c03a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:58:33, skipping insertion in model container [2020-09-24 15:58:33,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:58:33" (3/3) ... [2020-09-24 15:58:33,299 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-09-24 15:58:33,314 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:58:33,326 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:58:33,355 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:58:33,418 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:58:33,418 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:58:33,418 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:58:33,418 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:58:33,419 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:58:33,419 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:58:33,419 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:58:33,419 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:58:33,448 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-09-24 15:58:33,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-24 15:58:33,460 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:33,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:33,462 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:33,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:33,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-09-24 15:58:33,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:33,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311491528] [2020-09-24 15:58:33,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:33,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:33,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:33,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:33,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:33,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 15:58:33,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:33,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:58:33,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:33,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:33,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:33,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:58:33,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:33,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:33,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:33,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:33,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:33,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:33,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:33,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:33,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:33,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:33,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:33,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:33,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:33,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:33,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:33,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:33,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:33,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:33,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:33,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:33,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:33,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:33,768 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 15:58:33,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311491528] [2020-09-24 15:58:33,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:58:33,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:58:33,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778253804] [2020-09-24 15:58:33,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:58:33,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:33,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:58:33,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:58:33,805 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-09-24 15:58:33,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:33,959 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-09-24 15:58:33,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:58:33,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-24 15:58:33,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:33,974 INFO L225 Difference]: With dead ends: 58 [2020-09-24 15:58:33,975 INFO L226 Difference]: Without dead ends: 42 [2020-09-24 15:58:33,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 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 15:58:33,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-24 15:58:34,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-24 15:58:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 15:58:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-24 15:58:34,037 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-09-24 15:58:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:34,038 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-24 15:58:34,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:58:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-24 15:58:34,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-24 15:58:34,040 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:34,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:34,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:58:34,042 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:34,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:34,042 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-09-24 15:58:34,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:34,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648800861] [2020-09-24 15:58:34,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:58:34,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:34,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:34,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:34,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:34,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:34,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:34,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:34,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:34,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:34,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:58:34,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:34,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:34,157 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 15:58:34,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648800861] [2020-09-24 15:58:34,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:58:34,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:58:34,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99526617] [2020-09-24 15:58:34,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:58:34,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:34,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:58:34,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:58:34,162 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-09-24 15:58:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:34,233 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-09-24 15:58:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:58:34,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-24 15:58:34,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:34,236 INFO L225 Difference]: With dead ends: 50 [2020-09-24 15:58:34,236 INFO L226 Difference]: Without dead ends: 44 [2020-09-24 15:58:34,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 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 15:58:34,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-09-24 15:58:34,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-09-24 15:58:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 15:58:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-24 15:58:34,248 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-09-24 15:58:34,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:34,249 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-24 15:58:34,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:58:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-24 15:58:34,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 15:58:34,254 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:34,254 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] [2020-09-24 15:58:34,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:58:34,254 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:34,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:34,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-09-24 15:58:34,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:34,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918185909] [2020-09-24 15:58:34,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 15:58:34,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:58:34,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 15:58:34,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:34,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:34,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:34,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:34,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:34,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:34,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 15:58:34,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:58:34,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:58:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:34,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:58:34,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:34,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:34,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:34,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:34,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:34,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:58:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:34,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:34,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:34,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:58:34,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:34,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:58:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 15:58:34,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918185909] [2020-09-24 15:58:34,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:34,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:58:34,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184031084] [2020-09-24 15:58:34,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:58:34,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:34,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:58:34,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:58:34,548 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-09-24 15:58:34,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:34,672 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-09-24 15:58:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:58:34,673 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-09-24 15:58:34,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:34,675 INFO L225 Difference]: With dead ends: 82 [2020-09-24 15:58:34,675 INFO L226 Difference]: Without dead ends: 46 [2020-09-24 15:58:34,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:58:34,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-09-24 15:58:34,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-09-24 15:58:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-09-24 15:58:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-09-24 15:58:34,688 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-09-24 15:58:34,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:34,688 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-09-24 15:58:34,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:58:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-09-24 15:58:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-24 15:58:34,691 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:34,691 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:34,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:58:34,692 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:34,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:34,692 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-09-24 15:58:34,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:34,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100861015] [2020-09-24 15:58:34,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:58:34,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:34,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:58:34,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:34,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:34,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:34,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:34,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:34,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:34,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:34,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:34,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:34,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:34,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:34,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:34,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:34,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:58:34,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:34,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:34,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:34,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:34,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:34,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:34,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:34,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:34,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:34,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:34,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:34,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:34,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:34,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 15:58:34,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100861015] [2020-09-24 15:58:34,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:34,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:58:34,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133809500] [2020-09-24 15:58:34,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:58:34,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:34,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:58:34,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:58:34,927 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-09-24 15:58:35,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:35,075 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2020-09-24 15:58:35,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:58:35,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-09-24 15:58:35,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:35,078 INFO L225 Difference]: With dead ends: 60 [2020-09-24 15:58:35,078 INFO L226 Difference]: Without dead ends: 54 [2020-09-24 15:58:35,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:35,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-09-24 15:58:35,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2020-09-24 15:58:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-09-24 15:58:35,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2020-09-24 15:58:35,092 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 34 [2020-09-24 15:58:35,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:35,093 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2020-09-24 15:58:35,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:58:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2020-09-24 15:58:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-24 15:58:35,095 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:35,095 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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 15:58:35,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:58:35,096 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:35,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:35,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-09-24 15:58:35,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:35,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [896457285] [2020-09-24 15:58:35,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:58:35,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:35,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 15:58:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:35,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:35,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:35,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:35,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:35,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 15:58:35,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 15:58:35,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:35,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:35,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 15:58:35,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:35,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 15:58:35,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:35,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:35,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:58:35,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:35,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:35,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:35,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:35,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:58:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:35,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:35,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:35,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:58:35,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:35,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 15:58:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:35,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:35,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:58:35,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:35,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 15:58:35,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [896457285] [2020-09-24 15:58:35,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:35,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-24 15:58:35,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564764240] [2020-09-24 15:58:35,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:58:35,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:35,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:58:35,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:58:35,283 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 6 states. [2020-09-24 15:58:35,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:35,356 INFO L93 Difference]: Finished difference Result 100 states and 130 transitions. [2020-09-24 15:58:35,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 15:58:35,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-24 15:58:35,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:35,358 INFO L225 Difference]: With dead ends: 100 [2020-09-24 15:58:35,359 INFO L226 Difference]: Without dead ends: 54 [2020-09-24 15:58:35,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 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 15:58:35,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-09-24 15:58:35,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-09-24 15:58:35,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-24 15:58:35,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2020-09-24 15:58:35,372 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 50 [2020-09-24 15:58:35,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:35,372 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2020-09-24 15:58:35,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:58:35,372 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2020-09-24 15:58:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-24 15:58:35,375 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:35,375 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:35,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:58:35,376 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:35,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:35,376 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-09-24 15:58:35,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:35,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792128119] [2020-09-24 15:58:35,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 15:58:35,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:58:35,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:58:35,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:35,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:35,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:35,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:35,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 15:58:35,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:58:35,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:58:35,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:35,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:35,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:35,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:35,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:35,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:35,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:35,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:35,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:35,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:35,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:35,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:35,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:35,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:35,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:35,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:35,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-24 15:58:35,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1792128119] [2020-09-24 15:58:35,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:35,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:58:35,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560537854] [2020-09-24 15:58:35,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:58:35,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:35,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:58:35,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:35,665 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand 9 states. [2020-09-24 15:58:35,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:35,808 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2020-09-24 15:58:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:58:35,809 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-09-24 15:58:35,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:35,810 INFO L225 Difference]: With dead ends: 108 [2020-09-24 15:58:35,810 INFO L226 Difference]: Without dead ends: 60 [2020-09-24 15:58:35,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:58:35,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-09-24 15:58:35,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2020-09-24 15:58:35,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-24 15:58:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2020-09-24 15:58:35,823 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 51 [2020-09-24 15:58:35,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:35,823 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2020-09-24 15:58:35,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:58:35,824 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2020-09-24 15:58:35,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 15:58:35,826 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:35,826 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:35,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:58:35,827 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:35,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:35,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-09-24 15:58:35,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:35,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742159345] [2020-09-24 15:58:35,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-24 15:58:35,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:35,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:58:35,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:35,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:35,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:35,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:35,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:35,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:58:35,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:35,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:35,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:35,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:35,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:35,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:35,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:35,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:35,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:35,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:35,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:35,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:35,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:35,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:35,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:35,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:35,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:35,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:35,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:35,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:35,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:35,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:36,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:36,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:36,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:36,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 15:58:36,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742159345] [2020-09-24 15:58:36,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:36,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:58:36,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330890901] [2020-09-24 15:58:36,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:58:36,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:36,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:58:36,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:58:36,019 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand 8 states. [2020-09-24 15:58:36,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:36,187 INFO L93 Difference]: Finished difference Result 82 states and 108 transitions. [2020-09-24 15:58:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:58:36,187 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-09-24 15:58:36,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:36,189 INFO L225 Difference]: With dead ends: 82 [2020-09-24 15:58:36,189 INFO L226 Difference]: Without dead ends: 76 [2020-09-24 15:58:36,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:58:36,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-09-24 15:58:36,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 70. [2020-09-24 15:58:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 15:58:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 93 transitions. [2020-09-24 15:58:36,204 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 93 transitions. Word has length 52 [2020-09-24 15:58:36,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:36,204 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 93 transitions. [2020-09-24 15:58:36,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:58:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2020-09-24 15:58:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 15:58:36,208 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:36,208 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:36,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:58:36,209 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:36,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:36,209 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-09-24 15:58:36,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:36,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075527097] [2020-09-24 15:58:36,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 15:58:36,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:58:36,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:36,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:58:36,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:36,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:36,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:36,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:36,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:58:36,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-24 15:58:36,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:36,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:58:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:58:36,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 15:58:36,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:58:36,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:36,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:36,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:58:36,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:36,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:36,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:36,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:36,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:36,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:36,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:36,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:36,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:36,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:36,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:36,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:36,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:36,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 15:58:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:36,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:36,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 15:58:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:36,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:58:36,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075527097] [2020-09-24 15:58:36,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:36,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:58:36,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144736233] [2020-09-24 15:58:36,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:58:36,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:36,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:58:36,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:58:36,557 INFO L87 Difference]: Start difference. First operand 70 states and 93 transitions. Second operand 8 states. [2020-09-24 15:58:36,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:36,704 INFO L93 Difference]: Finished difference Result 145 states and 216 transitions. [2020-09-24 15:58:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:58:36,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-09-24 15:58:36,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:36,707 INFO L225 Difference]: With dead ends: 145 [2020-09-24 15:58:36,707 INFO L226 Difference]: Without dead ends: 81 [2020-09-24 15:58:36,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:58:36,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-09-24 15:58:36,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 75. [2020-09-24 15:58:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-24 15:58:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 100 transitions. [2020-09-24 15:58:36,722 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 100 transitions. Word has length 69 [2020-09-24 15:58:36,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:36,723 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 100 transitions. [2020-09-24 15:58:36,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:58:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2020-09-24 15:58:36,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-24 15:58:36,725 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:36,725 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:36,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:58:36,726 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:36,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:36,726 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-09-24 15:58:36,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:36,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424803234] [2020-09-24 15:58:36,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:58:36,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:58:36,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:36,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:36,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:58:36,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:36,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:36,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:36,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:36,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:58:36,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:36,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:36,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:58:36,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:36,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:36,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:36,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:36,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:36,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:36,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:36,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:36,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:36,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:36,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:36,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:36,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:36,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:36,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:36,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:36,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:36,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:36,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:36,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:36,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:36,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:36,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:36,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:36,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:36,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:36,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:36,981 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 15:58:36,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424803234] [2020-09-24 15:58:36,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:36,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:58:36,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838127293] [2020-09-24 15:58:36,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:58:36,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:36,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:58:36,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:36,984 INFO L87 Difference]: Start difference. First operand 75 states and 100 transitions. Second operand 9 states. [2020-09-24 15:58:37,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:37,173 INFO L93 Difference]: Finished difference Result 153 states and 224 transitions. [2020-09-24 15:58:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:58:37,174 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-24 15:58:37,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:37,176 INFO L225 Difference]: With dead ends: 153 [2020-09-24 15:58:37,176 INFO L226 Difference]: Without dead ends: 87 [2020-09-24 15:58:37,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:58:37,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-09-24 15:58:37,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 81. [2020-09-24 15:58:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-24 15:58:37,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 105 transitions. [2020-09-24 15:58:37,190 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 105 transitions. Word has length 70 [2020-09-24 15:58:37,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:37,191 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 105 transitions. [2020-09-24 15:58:37,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:58:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2020-09-24 15:58:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-24 15:58:37,192 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:37,193 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:37,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:58:37,193 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:37,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:37,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1951493560, now seen corresponding path program 1 times [2020-09-24 15:58:37,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:37,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073296579] [2020-09-24 15:58:37,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-24 15:58:37,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:58:37,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:58:37,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:37,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:37,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:37,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:58:37,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 15:58:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:37,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:37,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:58:37,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:37,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:37,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:37,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:37,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:37,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:37,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:37,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:37,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:37,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:37,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:37,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:37,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:37,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:37,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:37,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:37,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:37,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:37,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:37,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:37,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:37,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:37,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,485 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 8 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-24 15:58:37,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073296579] [2020-09-24 15:58:37,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:37,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:58:37,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787590674] [2020-09-24 15:58:37,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:58:37,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:37,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:58:37,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:37,487 INFO L87 Difference]: Start difference. First operand 81 states and 105 transitions. Second operand 9 states. [2020-09-24 15:58:37,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:37,661 INFO L93 Difference]: Finished difference Result 117 states and 164 transitions. [2020-09-24 15:58:37,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:58:37,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-09-24 15:58:37,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:37,664 INFO L225 Difference]: With dead ends: 117 [2020-09-24 15:58:37,664 INFO L226 Difference]: Without dead ends: 111 [2020-09-24 15:58:37,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:58:37,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-24 15:58:37,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 97. [2020-09-24 15:58:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-09-24 15:58:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 133 transitions. [2020-09-24 15:58:37,679 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 133 transitions. Word has length 87 [2020-09-24 15:58:37,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:37,679 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 133 transitions. [2020-09-24 15:58:37,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:58:37,680 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2020-09-24 15:58:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-24 15:58:37,682 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:37,683 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:37,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:58:37,683 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:37,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:37,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1352793328, now seen corresponding path program 2 times [2020-09-24 15:58:37,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:37,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214847185] [2020-09-24 15:58:37,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-24 15:58:37,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:58:37,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:37,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:37,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:58:37,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:37,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:37,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:37,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:37,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:37,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:37,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:37,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:58:37,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:58:37,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:58:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:58:37,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:37,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:37,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:58:37,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:58:37,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:58:37,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:37,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:37,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:37,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:37,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:37,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:37,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:37,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:37,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:37,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:37,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:37,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:37,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:37,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:37,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:37,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:37,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:37,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:37,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:37,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:37,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:37,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:37,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:37,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:37,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:38,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:38,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:38,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:38,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:38,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:38,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:38,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:38,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:38,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:38,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:38,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-24 15:58:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:38,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:38,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:38,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 15:58:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:38,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:38,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:38,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:38,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:38,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:38,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:38,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:38,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:38,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:38,121 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 48 proven. 43 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-09-24 15:58:38,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1214847185] [2020-09-24 15:58:38,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:38,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:58:38,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960851249] [2020-09-24 15:58:38,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:58:38,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:38,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:58:38,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:38,124 INFO L87 Difference]: Start difference. First operand 97 states and 133 transitions. Second operand 9 states. [2020-09-24 15:58:38,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:38,377 INFO L93 Difference]: Finished difference Result 208 states and 332 transitions. [2020-09-24 15:58:38,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:58:38,378 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2020-09-24 15:58:38,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:38,380 INFO L225 Difference]: With dead ends: 208 [2020-09-24 15:58:38,380 INFO L226 Difference]: Without dead ends: 109 [2020-09-24 15:58:38,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:58:38,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-24 15:58:38,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 103. [2020-09-24 15:58:38,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-09-24 15:58:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 142 transitions. [2020-09-24 15:58:38,394 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 142 transitions. Word has length 105 [2020-09-24 15:58:38,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:38,394 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 142 transitions. [2020-09-24 15:58:38,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:58:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 142 transitions. [2020-09-24 15:58:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 15:58:38,397 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:38,397 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:38,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:58:38,397 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:38,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:38,398 INFO L82 PathProgramCache]: Analyzing trace with hash -131074253, now seen corresponding path program 2 times [2020-09-24 15:58:38,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:38,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142268936] [2020-09-24 15:58:38,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:58:38,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:58:38,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:58:38,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:38,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:38,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:38,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:58:38,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:58:38,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:58:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:58:38,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:38,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:58:38,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:58:38,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:58:38,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:38,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:38,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:38,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:38,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:38,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:38,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:38,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:38,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:38,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:38,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:38,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:38,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:38,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:38,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:38,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:38,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:38,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:38,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:38,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:38,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:38,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 15:58:38,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:38,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:38,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:38,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:38,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:38,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:38,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:38,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:38,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:38,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:38,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:38,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:38,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:38,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:38,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:38,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:38,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:38,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:38,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:38,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:39,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:39,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:39,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:39,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:39,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:39,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:58:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:39,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-09-24 15:58:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:39,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:39,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:39,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 101 proven. 211 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2020-09-24 15:58:39,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142268936] [2020-09-24 15:58:39,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:39,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 15:58:39,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379748580] [2020-09-24 15:58:39,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:58:39,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:39,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:58:39,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:58:39,182 INFO L87 Difference]: Start difference. First operand 103 states and 142 transitions. Second operand 12 states. [2020-09-24 15:58:39,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:39,735 INFO L93 Difference]: Finished difference Result 233 states and 392 transitions. [2020-09-24 15:58:39,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:58:39,735 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 193 [2020-09-24 15:58:39,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:39,740 INFO L225 Difference]: With dead ends: 233 [2020-09-24 15:58:39,740 INFO L226 Difference]: Without dead ends: 143 [2020-09-24 15:58:39,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:58:39,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-09-24 15:58:39,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 135. [2020-09-24 15:58:39,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-09-24 15:58:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 193 transitions. [2020-09-24 15:58:39,763 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 193 transitions. Word has length 193 [2020-09-24 15:58:39,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:39,764 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 193 transitions. [2020-09-24 15:58:39,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:58:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 193 transitions. [2020-09-24 15:58:39,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-24 15:58:39,767 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:39,767 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:39,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 15:58:39,767 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:39,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:39,768 INFO L82 PathProgramCache]: Analyzing trace with hash 235403762, now seen corresponding path program 3 times [2020-09-24 15:58:39,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:39,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974747107] [2020-09-24 15:58:39,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-24 15:58:39,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:58:39,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:39,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:39,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:58:39,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:39,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:39,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:39,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:39,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:39,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:39,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-24 15:58:39,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:58:39,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:39,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:58:39,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:39,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-24 15:58:39,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:39,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:39,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:39,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:39,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:39,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:39,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:39,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:39,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:58:39,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:40,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:58:40,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:40,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:40,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:40,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:58:40,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:58:40,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:40,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:40,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:40,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:40,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:40,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:40,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:40,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:40,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:40,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:40,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:40,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:40,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:40,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:40,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:40,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:40,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:40,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:40,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:40,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:40,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:40,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:40,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:40,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:40,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:58:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:40,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:40,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:40,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 15:58:40,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:40,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:40,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:40,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:40,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:40,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:40,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:40,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:40,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:40,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:40,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:40,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:40,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:40,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:40,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:40,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:40,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:40,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:40,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:40,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:40,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:40,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:40,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:40,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:40,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:40,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:40,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:40,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:40,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:40,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:40,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:40,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:40,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:40,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:40,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:40,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:40,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:40,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:40,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:40,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:40,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:40,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:40,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:40,711 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 96 proven. 186 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-09-24 15:58:40,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974747107] [2020-09-24 15:58:40,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:40,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:58:40,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799374226] [2020-09-24 15:58:40,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:58:40,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:40,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:58:40,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:58:40,715 INFO L87 Difference]: Start difference. First operand 135 states and 193 transitions. Second operand 13 states. [2020-09-24 15:58:41,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:41,275 INFO L93 Difference]: Finished difference Result 293 states and 525 transitions. [2020-09-24 15:58:41,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:58:41,276 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 175 [2020-09-24 15:58:41,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:41,279 INFO L225 Difference]: With dead ends: 293 [2020-09-24 15:58:41,280 INFO L226 Difference]: Without dead ends: 166 [2020-09-24 15:58:41,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2020-09-24 15:58:41,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-09-24 15:58:41,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 152. [2020-09-24 15:58:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-09-24 15:58:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 222 transitions. [2020-09-24 15:58:41,302 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 222 transitions. Word has length 175 [2020-09-24 15:58:41,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:41,302 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 222 transitions. [2020-09-24 15:58:41,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:58:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2020-09-24 15:58:41,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-09-24 15:58:41,309 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:41,310 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 13, 13, 13, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:41,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 15:58:41,310 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:41,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:41,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1801476766, now seen corresponding path program 2 times [2020-09-24 15:58:41,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:41,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290392564] [2020-09-24 15:58:41,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:41,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-09-24 15:58:41,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:58:41,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:41,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:41,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 15:58:41,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:41,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:41,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:41,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:41,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-09-24 15:58:41,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:58:41,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:58:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:58:41,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:41,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-24 15:58:41,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:58:41,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:58:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-09-24 15:58:41,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:41,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:41,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:58:41,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:58:41,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:41,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:58:41,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:41,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:41,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:41,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:58:41,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:41,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:41,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:41,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:41,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:41,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:41,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:41,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:41,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:41,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:41,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:41,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:41,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:41,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:41,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:41,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:41,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:41,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:41,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:41,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:41,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:41,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:41,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:41,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:41,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:41,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:41,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:41,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:42,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:42,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:42,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:42,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:42,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:42,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:42,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:42,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:42,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:42,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:58:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:42,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:58:42,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:42,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:58:42,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:42,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:42,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:42,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:42,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:42,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:42,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:42,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:42,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:42,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:42,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:42,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:42,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:42,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:42,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:42,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:42,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:42,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:42,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:42,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:42,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:42,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:42,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:42,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:42,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:42,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:58:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:42,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-09-24 15:58:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:42,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:42,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:42,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:42,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:42,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:42,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:42,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:42,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:42,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:42,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:42,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:42,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:42,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:42,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:42,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 212 proven. 452 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2020-09-24 15:58:42,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290392564] [2020-09-24 15:58:42,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:42,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:58:42,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487331270] [2020-09-24 15:58:42,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:58:42,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:42,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:58:42,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:58:42,618 INFO L87 Difference]: Start difference. First operand 152 states and 222 transitions. Second operand 15 states. [2020-09-24 15:58:43,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:43,246 INFO L93 Difference]: Finished difference Result 334 states and 607 transitions. [2020-09-24 15:58:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:58:43,247 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 264 [2020-09-24 15:58:43,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:43,253 INFO L225 Difference]: With dead ends: 334 [2020-09-24 15:58:43,253 INFO L226 Difference]: Without dead ends: 166 [2020-09-24 15:58:43,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:58:43,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-09-24 15:58:43,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 160. [2020-09-24 15:58:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-09-24 15:58:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 206 transitions. [2020-09-24 15:58:43,277 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 206 transitions. Word has length 264 [2020-09-24 15:58:43,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:43,278 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 206 transitions. [2020-09-24 15:58:43,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:58:43,278 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 206 transitions. [2020-09-24 15:58:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-24 15:58:43,283 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:43,283 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:43,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 15:58:43,284 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:43,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:43,284 INFO L82 PathProgramCache]: Analyzing trace with hash -2113087688, now seen corresponding path program 4 times [2020-09-24 15:58:43,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:43,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005441560] [2020-09-24 15:58:43,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:43,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-09-24 15:58:43,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:43,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:43,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:43,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 239 [2020-09-24 15:58:43,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:43,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:43,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:43,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:43,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:43,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-09-24 15:58:43,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 15:58:43,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:58:43,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:43,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-09-24 15:58:43,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:43,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:58:43,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:58:43,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-24 15:58:43,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:43,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:43,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:43,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:58:43,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:58:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:58:43,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:43,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:43,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:58:43,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:58:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:43,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:43,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:43,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:43,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:43,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:43,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:43,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:43,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:43,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:43,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:43,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:43,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:43,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:43,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:43,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:43,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:43,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:43,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:43,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:43,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:43,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:43,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:43,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:43,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:43,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:43,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:43,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:43,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:43,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:43,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:43,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:44,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:44,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:44,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:58:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:44,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:44,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:44,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:44,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:44,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:58:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:44,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:58:44,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:44,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-24 15:58:44,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:44,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:44,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:58:44,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:58:44,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:58:44,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:44,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:44,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:44,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:44,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:44,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:44,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:44,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:44,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:44,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:44,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:44,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:44,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:44,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:44,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:44,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:44,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:58:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:44,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:44,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:44,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:44,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:44,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:44,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:44,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:44,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:44,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:44,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:44,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:44,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:44,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:44,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:44,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 245 proven. 471 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2020-09-24 15:58:44,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005441560] [2020-09-24 15:58:44,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:44,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:58:44,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415030766] [2020-09-24 15:58:44,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:58:44,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:44,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:58:44,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:58:44,732 INFO L87 Difference]: Start difference. First operand 160 states and 206 transitions. Second operand 17 states. [2020-09-24 15:58:45,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:45,609 INFO L93 Difference]: Finished difference Result 332 states and 521 transitions. [2020-09-24 15:58:45,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:58:45,609 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 281 [2020-09-24 15:58:45,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:45,613 INFO L225 Difference]: With dead ends: 332 [2020-09-24 15:58:45,613 INFO L226 Difference]: Without dead ends: 184 [2020-09-24 15:58:45,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=768, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:58:45,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-09-24 15:58:45,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 175. [2020-09-24 15:58:45,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-24 15:58:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 242 transitions. [2020-09-24 15:58:45,629 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 242 transitions. Word has length 281 [2020-09-24 15:58:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:45,629 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 242 transitions. [2020-09-24 15:58:45,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 15:58:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2020-09-24 15:58:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-24 15:58:45,634 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:45,634 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:45,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 15:58:45,634 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:45,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:45,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1117162661, now seen corresponding path program 5 times [2020-09-24 15:58:45,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:45,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387991624] [2020-09-24 15:58:45,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 15:58:45,675 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 15:58:45,675 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 15:58:45,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 15:58:45,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:58:45 BoogieIcfgContainer [2020-09-24 15:58:45,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:58:45,719 INFO L168 Benchmark]: Toolchain (without parser) took 13292.83 ms. Allocated memory was 139.5 MB in the beginning and 497.0 MB in the end (delta: 357.6 MB). Free memory was 103.2 MB in the beginning and 186.5 MB in the end (delta: -83.3 MB). Peak memory consumption was 274.2 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:45,719 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-09-24 15:58:45,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.21 ms. Allocated memory is still 139.5 MB. Free memory was 102.4 MB in the beginning and 93.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:45,721 INFO L168 Benchmark]: Boogie Preprocessor took 127.56 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 93.0 MB in the beginning and 181.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:45,722 INFO L168 Benchmark]: RCFGBuilder took 351.66 ms. Allocated memory is still 203.4 MB. Free memory was 181.8 MB in the beginning and 168.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:45,722 INFO L168 Benchmark]: TraceAbstraction took 12427.06 ms. Allocated memory was 203.4 MB in the beginning and 497.0 MB in the end (delta: 293.6 MB). Free memory was 167.0 MB in the beginning and 186.5 MB in the end (delta: -19.5 MB). Peak memory consumption was 274.1 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:45,726 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 376.21 ms. Allocated memory is still 139.5 MB. Free memory was 102.4 MB in the beginning and 93.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.56 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 93.0 MB in the beginning and 181.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.66 ms. Allocated memory is still 203.4 MB. Free memory was 181.8 MB in the beginning and 168.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12427.06 ms. Allocated memory was 203.4 MB in the beginning and 497.0 MB in the end (delta: 293.6 MB). Free memory was 167.0 MB in the beginning and 186.5 MB in the end (delta: -19.5 MB). Peak memory consumption was 274.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L36] int x = 6; [L37] CALL, EXPR fibo1(x) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L37] RET, EXPR fibo1(x) [L37] int result = fibo1(x); [L38] COND TRUE result == 8 [L39] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.2s, OverallIterations: 16, TraceHistogramMax: 17, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 667 SDtfs, 698 SDslu, 3341 SDs, 0 SdLazy, 2561 SolverSat, 271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 556 GetRequests, 372 SyntacticMatches, 8 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 87 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 1725 NumberOfCodeBlocks, 1725 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1482 ConstructedInterpolants, 0 QuantifiedInterpolants, 710641 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 2744/4191 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...