/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 --traceabstraction.use.minimal.unsat.core.enumeration 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/recHanoi01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:53:21,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 14:53:21,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 14:53:21,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-21 14:53:21,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:53:21,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:53:21,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:53:21,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:53:21,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:53:21,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:53:21,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:53:21,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:53:21,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:53:21,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:53:21,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:53:21,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:53:21,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 14:53:21,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:53:21,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:53:21,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:53:21,928 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 [2020-08-21 14:53:21,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:53:21,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:53:21,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:53:21,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:53:21,974 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:53:21,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:53:21,974 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:53:21,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:53:21,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:53:21,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:53:21,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:53:21,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:53:21,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:53:21,977 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:53:21,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:53:21,977 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:53:21,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:53:21,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:53:21,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:53:21,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:53:21,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:53:21,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:53:21,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:53:21,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:53:21,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:53:21,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:53:21,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:53:21,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:53:21,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:53:21,980 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-21 14:53:22,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:53:22,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:53:22,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:53:22,330 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:53:22,330 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:53:22,331 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/recHanoi01.c [2020-08-21 14:53:22,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ee34e5e0/1d4eee5a46634bb09a6e1eab02c0e10a/FLAG7fb23bc6e [2020-08-21 14:53:22,874 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:53:22,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/recHanoi01.c [2020-08-21 14:53:22,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ee34e5e0/1d4eee5a46634bb09a6e1eab02c0e10a/FLAG7fb23bc6e [2020-08-21 14:53:23,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ee34e5e0/1d4eee5a46634bb09a6e1eab02c0e10a [2020-08-21 14:53:23,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:53:23,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:53:23,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:53:23,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:53:23,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:53:23,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:53:23" (1/1) ... [2020-08-21 14:53:23,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d48d131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23, skipping insertion in model container [2020-08-21 14:53:23,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:53:23" (1/1) ... [2020-08-21 14:53:23,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:53:23,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:53:23,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:53:23,451 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:53:23,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:53:23,482 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:53:23,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23 WrapperNode [2020-08-21 14:53:23,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:53:23,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:53:23,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:53:23,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:53:23,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23" (1/1) ... [2020-08-21 14:53:23,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23" (1/1) ... [2020-08-21 14:53:23,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23" (1/1) ... [2020-08-21 14:53:23,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23" (1/1) ... [2020-08-21 14:53:23,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23" (1/1) ... [2020-08-21 14:53:23,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23" (1/1) ... [2020-08-21 14:53:23,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23" (1/1) ... [2020-08-21 14:53:23,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:53:23,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:53:23,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:53:23,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:53:23,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23" (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 [2020-08-21 14:53:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:53:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:53:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-08-21 14:53:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2020-08-21 14:53:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:53:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:53:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:53:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-08-21 14:53:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2020-08-21 14:53:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:53:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:53:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:53:23,888 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:53:23,889 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 14:53:23,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:53:23 BoogieIcfgContainer [2020-08-21 14:53:23,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:53:23,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:53:23,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:53:23,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:53:23,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:53:23" (1/3) ... [2020-08-21 14:53:23,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336bb52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:53:23, skipping insertion in model container [2020-08-21 14:53:23,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:53:23" (2/3) ... [2020-08-21 14:53:23,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336bb52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:53:23, skipping insertion in model container [2020-08-21 14:53:23,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:53:23" (3/3) ... [2020-08-21 14:53:23,902 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2020-08-21 14:53:23,915 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:53:23,923 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:53:23,939 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:53:23,976 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:53:23,976 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:53:23,976 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:53:23,977 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:53:23,977 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:53:23,977 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:53:23,978 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:53:23,978 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:53:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-08-21 14:53:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-21 14:53:24,014 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:24,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:24,016 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:24,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:24,024 INFO L82 PathProgramCache]: Analyzing trace with hash -629617454, now seen corresponding path program 1 times [2020-08-21 14:53:24,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:24,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825697551] [2020-08-21 14:53:24,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:24,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:24,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:24,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:53:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:53:24,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825697551] [2020-08-21 14:53:24,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:53:24,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 14:53:24,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464600217] [2020-08-21 14:53:24,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 14:53:24,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:24,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 14:53:24,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-21 14:53:24,318 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-08-21 14:53:24,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:24,487 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2020-08-21 14:53:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:53:24,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-08-21 14:53:24,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:24,501 INFO L225 Difference]: With dead ends: 48 [2020-08-21 14:53:24,501 INFO L226 Difference]: Without dead ends: 27 [2020-08-21 14:53:24,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:53:24,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-08-21 14:53:24,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-08-21 14:53:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-08-21 14:53:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-08-21 14:53:24,554 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 20 [2020-08-21 14:53:24,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:24,554 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-08-21 14:53:24,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 14:53:24,554 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-08-21 14:53:24,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-21 14:53:24,557 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:24,558 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:24,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:53:24,559 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:24,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:24,559 INFO L82 PathProgramCache]: Analyzing trace with hash 223523063, now seen corresponding path program 1 times [2020-08-21 14:53:24,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:24,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084651286] [2020-08-21 14:53:24,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:24,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:24,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:24,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:24,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:24,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:53:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-08-21 14:53:24,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084651286] [2020-08-21 14:53:24,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:24,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 14:53:24,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723799021] [2020-08-21 14:53:24,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 14:53:24,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:24,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 14:53:24,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-21 14:53:24,913 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 10 states. [2020-08-21 14:53:25,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:25,311 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2020-08-21 14:53:25,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 14:53:25,312 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-08-21 14:53:25,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:25,314 INFO L225 Difference]: With dead ends: 61 [2020-08-21 14:53:25,315 INFO L226 Difference]: Without dead ends: 55 [2020-08-21 14:53:25,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-08-21 14:53:25,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-21 14:53:25,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2020-08-21 14:53:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-08-21 14:53:25,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 66 transitions. [2020-08-21 14:53:25,335 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 66 transitions. Word has length 30 [2020-08-21 14:53:25,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:25,336 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 66 transitions. [2020-08-21 14:53:25,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 14:53:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2020-08-21 14:53:25,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 14:53:25,339 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:25,339 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:25,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:53:25,339 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:25,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:25,340 INFO L82 PathProgramCache]: Analyzing trace with hash 640231516, now seen corresponding path program 2 times [2020-08-21 14:53:25,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:25,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692830474] [2020-08-21 14:53:25,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 14:53:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-21 14:53:25,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692830474] [2020-08-21 14:53:25,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:25,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:53:25,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658608497] [2020-08-21 14:53:25,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:53:25,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:25,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:53:25,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:53:25,566 INFO L87 Difference]: Start difference. First operand 49 states and 66 transitions. Second operand 7 states. [2020-08-21 14:53:25,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:25,732 INFO L93 Difference]: Finished difference Result 77 states and 111 transitions. [2020-08-21 14:53:25,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 14:53:25,733 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-08-21 14:53:25,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:25,735 INFO L225 Difference]: With dead ends: 77 [2020-08-21 14:53:25,735 INFO L226 Difference]: Without dead ends: 55 [2020-08-21 14:53:25,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:53:25,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-21 14:53:25,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2020-08-21 14:53:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-08-21 14:53:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2020-08-21 14:53:25,751 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 40 [2020-08-21 14:53:25,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:25,752 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2020-08-21 14:53:25,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:53:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2020-08-21 14:53:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-08-21 14:53:25,754 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:25,754 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] [2020-08-21 14:53:25,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:53:25,754 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:25,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:25,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1772916587, now seen corresponding path program 1 times [2020-08-21 14:53:25,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:25,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038625722] [2020-08-21 14:53:25,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:53:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 14:53:25,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038625722] [2020-08-21 14:53:25,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:25,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 14:53:25,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408700436] [2020-08-21 14:53:25,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 14:53:25,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:25,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 14:53:25,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 14:53:25,903 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand 10 states. [2020-08-21 14:53:26,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:26,181 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2020-08-21 14:53:26,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 14:53:26,182 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2020-08-21 14:53:26,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:26,184 INFO L225 Difference]: With dead ends: 66 [2020-08-21 14:53:26,184 INFO L226 Difference]: Without dead ends: 46 [2020-08-21 14:53:26,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-08-21 14:53:26,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-08-21 14:53:26,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-08-21 14:53:26,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-08-21 14:53:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-08-21 14:53:26,197 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 36 [2020-08-21 14:53:26,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:26,197 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-08-21 14:53:26,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 14:53:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-08-21 14:53:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 14:53:26,199 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:26,200 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:26,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:53:26,200 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:26,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:26,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1240446734, now seen corresponding path program 3 times [2020-08-21 14:53:26,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:26,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841647208] [2020-08-21 14:53:26,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 14:53:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-21 14:53:26,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841647208] [2020-08-21 14:53:26,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:26,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 14:53:26,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437631748] [2020-08-21 14:53:26,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 14:53:26,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:26,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 14:53:26,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-08-21 14:53:26,351 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 10 states. [2020-08-21 14:53:26,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:26,595 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2020-08-21 14:53:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 14:53:26,596 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2020-08-21 14:53:26,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:26,597 INFO L225 Difference]: With dead ends: 71 [2020-08-21 14:53:26,597 INFO L226 Difference]: Without dead ends: 42 [2020-08-21 14:53:26,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-08-21 14:53:26,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-08-21 14:53:26,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-08-21 14:53:26,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-08-21 14:53:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2020-08-21 14:53:26,606 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 40 [2020-08-21 14:53:26,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:26,607 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2020-08-21 14:53:26,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 14:53:26,607 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2020-08-21 14:53:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 14:53:26,609 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:26,609 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:26,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:53:26,610 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:26,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:26,610 INFO L82 PathProgramCache]: Analyzing trace with hash -979408629, now seen corresponding path program 2 times [2020-08-21 14:53:26,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:26,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43432120] [2020-08-21 14:53:26,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 14:53:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-08-21 14:53:26,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43432120] [2020-08-21 14:53:26,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:26,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-21 14:53:26,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038239004] [2020-08-21 14:53:26,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-21 14:53:26,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:26,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-21 14:53:26,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-08-21 14:53:26,881 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand 13 states. [2020-08-21 14:53:27,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:27,255 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2020-08-21 14:53:27,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 14:53:27,255 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2020-08-21 14:53:27,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:27,257 INFO L225 Difference]: With dead ends: 65 [2020-08-21 14:53:27,257 INFO L226 Difference]: Without dead ends: 61 [2020-08-21 14:53:27,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2020-08-21 14:53:27,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-08-21 14:53:27,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2020-08-21 14:53:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-21 14:53:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2020-08-21 14:53:27,269 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 56 [2020-08-21 14:53:27,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:27,270 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2020-08-21 14:53:27,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-21 14:53:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-08-21 14:53:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-08-21 14:53:27,272 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:27,272 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:27,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 14:53:27,273 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:27,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:27,273 INFO L82 PathProgramCache]: Analyzing trace with hash -83361749, now seen corresponding path program 3 times [2020-08-21 14:53:27,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:27,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806604180] [2020-08-21 14:53:27,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-21 14:53:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 54 proven. 80 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-21 14:53:27,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806604180] [2020-08-21 14:53:27,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:27,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 14:53:27,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397007440] [2020-08-21 14:53:27,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:53:27,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:27,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:53:27,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:53:27,465 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand 9 states. [2020-08-21 14:53:27,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:27,756 INFO L93 Difference]: Finished difference Result 95 states and 138 transitions. [2020-08-21 14:53:27,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 14:53:27,757 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-08-21 14:53:27,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:27,758 INFO L225 Difference]: With dead ends: 95 [2020-08-21 14:53:27,758 INFO L226 Difference]: Without dead ends: 64 [2020-08-21 14:53:27,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2020-08-21 14:53:27,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-08-21 14:53:27,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 57. [2020-08-21 14:53:27,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-08-21 14:53:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2020-08-21 14:53:27,771 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 76 [2020-08-21 14:53:27,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:27,771 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2020-08-21 14:53:27,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:53:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2020-08-21 14:53:27,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-21 14:53:27,773 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:27,773 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:27,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 14:53:27,774 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:27,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:27,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1033208535, now seen corresponding path program 4 times [2020-08-21 14:53:27,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:27,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993158989] [2020-08-21 14:53:27,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 14:53:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 13 proven. 41 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-21 14:53:27,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993158989] [2020-08-21 14:53:27,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:27,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 14:53:27,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985723825] [2020-08-21 14:53:27,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 14:53:27,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:27,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 14:53:27,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:53:27,947 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand 12 states. [2020-08-21 14:53:28,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:28,260 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2020-08-21 14:53:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 14:53:28,260 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-08-21 14:53:28,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:28,262 INFO L225 Difference]: With dead ends: 71 [2020-08-21 14:53:28,262 INFO L226 Difference]: Without dead ends: 55 [2020-08-21 14:53:28,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2020-08-21 14:53:28,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-21 14:53:28,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2020-08-21 14:53:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-21 14:53:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2020-08-21 14:53:28,286 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 62 [2020-08-21 14:53:28,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:28,287 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2020-08-21 14:53:28,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 14:53:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2020-08-21 14:53:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-08-21 14:53:28,288 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:28,288 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:28,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 14:53:28,289 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:28,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:28,289 INFO L82 PathProgramCache]: Analyzing trace with hash 622260971, now seen corresponding path program 5 times [2020-08-21 14:53:28,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:28,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839425455] [2020-08-21 14:53:28,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-21 14:53:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 70 proven. 64 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-21 14:53:28,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839425455] [2020-08-21 14:53:28,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:28,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 14:53:28,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454242671] [2020-08-21 14:53:28,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:53:28,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:28,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:53:28,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:53:28,547 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand 9 states. [2020-08-21 14:53:28,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:28,810 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2020-08-21 14:53:28,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 14:53:28,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-08-21 14:53:28,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:28,812 INFO L225 Difference]: With dead ends: 96 [2020-08-21 14:53:28,812 INFO L226 Difference]: Without dead ends: 56 [2020-08-21 14:53:28,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2020-08-21 14:53:28,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-08-21 14:53:28,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2020-08-21 14:53:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-21 14:53:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2020-08-21 14:53:28,826 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 76 [2020-08-21 14:53:28,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:28,827 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2020-08-21 14:53:28,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:53:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-08-21 14:53:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-08-21 14:53:28,828 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:28,828 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:28,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 14:53:28,829 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:28,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:28,829 INFO L82 PathProgramCache]: Analyzing trace with hash -633873909, now seen corresponding path program 6 times [2020-08-21 14:53:28,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:28,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554847338] [2020-08-21 14:53:28,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:28,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-21 14:53:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,088 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 42 proven. 131 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2020-08-21 14:53:29,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554847338] [2020-08-21 14:53:29,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:29,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 14:53:29,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756099153] [2020-08-21 14:53:29,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 14:53:29,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:29,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 14:53:29,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:53:29,090 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand 12 states. [2020-08-21 14:53:29,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:29,438 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2020-08-21 14:53:29,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 14:53:29,438 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-08-21 14:53:29,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:29,440 INFO L225 Difference]: With dead ends: 58 [2020-08-21 14:53:29,440 INFO L226 Difference]: Without dead ends: 54 [2020-08-21 14:53:29,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2020-08-21 14:53:29,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-08-21 14:53:29,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-08-21 14:53:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-21 14:53:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2020-08-21 14:53:29,448 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 96 [2020-08-21 14:53:29,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:29,449 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2020-08-21 14:53:29,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 14:53:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2020-08-21 14:53:29,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-21 14:53:29,450 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:29,450 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:29,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 14:53:29,451 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:29,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:29,451 INFO L82 PathProgramCache]: Analyzing trace with hash 542454743, now seen corresponding path program 7 times [2020-08-21 14:53:29,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:29,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357461843] [2020-08-21 14:53:29,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-21 14:53:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-08-21 14:53:29,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357461843] [2020-08-21 14:53:29,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:29,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-21 14:53:29,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519271000] [2020-08-21 14:53:29,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-21 14:53:29,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:29,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-21 14:53:29,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-08-21 14:53:29,950 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand 17 states. [2020-08-21 14:53:30,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:30,573 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2020-08-21 14:53:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-21 14:53:30,574 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 102 [2020-08-21 14:53:30,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:30,576 INFO L225 Difference]: With dead ends: 80 [2020-08-21 14:53:30,576 INFO L226 Difference]: Without dead ends: 76 [2020-08-21 14:53:30,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2020-08-21 14:53:30,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-08-21 14:53:30,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 69. [2020-08-21 14:53:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-08-21 14:53:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2020-08-21 14:53:30,602 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 102 [2020-08-21 14:53:30,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:30,603 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2020-08-21 14:53:30,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-21 14:53:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-08-21 14:53:30,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-21 14:53:30,607 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:30,607 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 12, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:30,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 14:53:30,608 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:30,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:30,608 INFO L82 PathProgramCache]: Analyzing trace with hash 589762519, now seen corresponding path program 8 times [2020-08-21 14:53:30,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:30,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199264027] [2020-08-21 14:53:30,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-21 14:53:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:30,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 167 proven. 314 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2020-08-21 14:53:31,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199264027] [2020-08-21 14:53:31,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:31,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 14:53:31,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146921728] [2020-08-21 14:53:31,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 14:53:31,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:31,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 14:53:31,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-21 14:53:31,018 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand 11 states. [2020-08-21 14:53:31,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:31,467 INFO L93 Difference]: Finished difference Result 125 states and 188 transitions. [2020-08-21 14:53:31,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 14:53:31,468 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-08-21 14:53:31,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:31,469 INFO L225 Difference]: With dead ends: 125 [2020-08-21 14:53:31,469 INFO L226 Difference]: Without dead ends: 82 [2020-08-21 14:53:31,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2020-08-21 14:53:31,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-21 14:53:31,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2020-08-21 14:53:31,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-21 14:53:31,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2020-08-21 14:53:31,488 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 142 [2020-08-21 14:53:31,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:31,491 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2020-08-21 14:53:31,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 14:53:31,491 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2020-08-21 14:53:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-21 14:53:31,493 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:31,494 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:31,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-21 14:53:31,494 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:31,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:31,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1145252683, now seen corresponding path program 9 times [2020-08-21 14:53:31,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:31,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490898809] [2020-08-21 14:53:31,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-21 14:53:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 144 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-08-21 14:53:31,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490898809] [2020-08-21 14:53:31,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:31,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 14:53:31,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961948519] [2020-08-21 14:53:31,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 14:53:31,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:31,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 14:53:31,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-21 14:53:31,819 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand 14 states. [2020-08-21 14:53:32,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:32,221 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions. [2020-08-21 14:53:32,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-21 14:53:32,222 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 108 [2020-08-21 14:53:32,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:32,223 INFO L225 Difference]: With dead ends: 86 [2020-08-21 14:53:32,223 INFO L226 Difference]: Without dead ends: 67 [2020-08-21 14:53:32,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2020-08-21 14:53:32,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-08-21 14:53:32,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-08-21 14:53:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-21 14:53:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-08-21 14:53:32,239 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 108 [2020-08-21 14:53:32,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:32,240 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-08-21 14:53:32,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 14:53:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-08-21 14:53:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-08-21 14:53:32,244 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:32,244 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:32,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-21 14:53:32,245 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:32,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:32,245 INFO L82 PathProgramCache]: Analyzing trace with hash -2107974185, now seen corresponding path program 10 times [2020-08-21 14:53:32,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:32,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997889841] [2020-08-21 14:53:32,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-21 14:53:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:32,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 107 proven. 404 refuted. 0 times theorem prover too weak. 1573 trivial. 0 not checked. [2020-08-21 14:53:32,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997889841] [2020-08-21 14:53:32,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:32,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 14:53:32,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790100723] [2020-08-21 14:53:32,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 14:53:32,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:32,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 14:53:32,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-21 14:53:32,841 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 14 states. [2020-08-21 14:53:33,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:33,269 INFO L93 Difference]: Finished difference Result 118 states and 179 transitions. [2020-08-21 14:53:33,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 14:53:33,270 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 182 [2020-08-21 14:53:33,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:33,271 INFO L225 Difference]: With dead ends: 118 [2020-08-21 14:53:33,271 INFO L226 Difference]: Without dead ends: 66 [2020-08-21 14:53:33,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=716, Unknown=0, NotChecked=0, Total=870 [2020-08-21 14:53:33,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-08-21 14:53:33,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2020-08-21 14:53:33,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-21 14:53:33,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2020-08-21 14:53:33,282 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 182 [2020-08-21 14:53:33,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:33,284 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2020-08-21 14:53:33,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 14:53:33,284 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-08-21 14:53:33,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-08-21 14:53:33,286 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:33,286 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:33,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-21 14:53:33,287 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:33,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:33,287 INFO L82 PathProgramCache]: Analyzing trace with hash 836851019, now seen corresponding path program 11 times [2020-08-21 14:53:33,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:33,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448616667] [2020-08-21 14:53:33,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:33,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:34,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-21 14:53:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:34,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:34,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:34,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2020-08-21 14:53:34,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448616667] [2020-08-21 14:53:34,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:34,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-21 14:53:34,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133602675] [2020-08-21 14:53:34,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-21 14:53:34,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:34,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-21 14:53:34,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=380, Unknown=0, NotChecked=0, Total=420 [2020-08-21 14:53:34,229 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand 21 states. [2020-08-21 14:53:35,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:35,144 INFO L93 Difference]: Finished difference Result 95 states and 124 transitions. [2020-08-21 14:53:35,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-21 14:53:35,144 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 188 [2020-08-21 14:53:35,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:35,147 INFO L225 Difference]: With dead ends: 95 [2020-08-21 14:53:35,147 INFO L226 Difference]: Without dead ends: 91 [2020-08-21 14:53:35,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1339, Unknown=0, NotChecked=0, Total=1482 [2020-08-21 14:53:35,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-21 14:53:35,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2020-08-21 14:53:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-21 14:53:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2020-08-21 14:53:35,158 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 188 [2020-08-21 14:53:35,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:35,159 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2020-08-21 14:53:35,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-21 14:53:35,159 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2020-08-21 14:53:35,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-08-21 14:53:35,162 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:35,163 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 24, 23, 23, 23, 23, 23, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:35,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-21 14:53:35,163 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:35,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:35,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1987597643, now seen corresponding path program 12 times [2020-08-21 14:53:35,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:35,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501157666] [2020-08-21 14:53:35,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-08-21 14:53:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4860 backedges. 455 proven. 975 refuted. 0 times theorem prover too weak. 3430 trivial. 0 not checked. [2020-08-21 14:53:35,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501157666] [2020-08-21 14:53:35,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:35,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-21 14:53:35,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432225509] [2020-08-21 14:53:35,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-21 14:53:35,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:35,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-21 14:53:35,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-21 14:53:35,886 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 13 states. [2020-08-21 14:53:36,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:36,483 INFO L93 Difference]: Finished difference Result 155 states and 241 transitions. [2020-08-21 14:53:36,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 14:53:36,484 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 268 [2020-08-21 14:53:36,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:36,486 INFO L225 Difference]: With dead ends: 155 [2020-08-21 14:53:36,486 INFO L226 Difference]: Without dead ends: 100 [2020-08-21 14:53:36,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=998, Unknown=0, NotChecked=0, Total=1260 [2020-08-21 14:53:36,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-08-21 14:53:36,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 87. [2020-08-21 14:53:36,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-21 14:53:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 115 transitions. [2020-08-21 14:53:36,497 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 115 transitions. Word has length 268 [2020-08-21 14:53:36,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:36,497 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 115 transitions. [2020-08-21 14:53:36,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-21 14:53:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2020-08-21 14:53:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-08-21 14:53:36,500 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:36,500 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:36,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-21 14:53:36,500 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:36,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:36,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1322769943, now seen corresponding path program 13 times [2020-08-21 14:53:36,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:36,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539004954] [2020-08-21 14:53:36,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-21 14:53:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:36,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:37,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 107 proven. 423 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2020-08-21 14:53:37,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539004954] [2020-08-21 14:53:37,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:37,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 14:53:37,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444879260] [2020-08-21 14:53:37,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 14:53:37,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:37,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 14:53:37,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-08-21 14:53:37,060 INFO L87 Difference]: Start difference. First operand 87 states and 115 transitions. Second operand 16 states. [2020-08-21 14:53:38,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:38,001 INFO L93 Difference]: Finished difference Result 135 states and 199 transitions. [2020-08-21 14:53:38,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 14:53:38,001 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 194 [2020-08-21 14:53:38,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:38,004 INFO L225 Difference]: With dead ends: 135 [2020-08-21 14:53:38,004 INFO L226 Difference]: Without dead ends: 88 [2020-08-21 14:53:38,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=1231, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 14:53:38,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-08-21 14:53:38,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2020-08-21 14:53:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-21 14:53:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2020-08-21 14:53:38,016 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 194 [2020-08-21 14:53:38,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:38,017 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2020-08-21 14:53:38,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 14:53:38,017 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-08-21 14:53:38,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-08-21 14:53:38,019 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:38,019 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:38,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-21 14:53:38,020 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:38,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:38,020 INFO L82 PathProgramCache]: Analyzing trace with hash -547968693, now seen corresponding path program 14 times [2020-08-21 14:53:38,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:38,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045927600] [2020-08-21 14:53:38,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:53:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:38,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:39,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-21 14:53:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:39,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:39,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 244 proven. 1097 refuted. 0 times theorem prover too weak. 7431 trivial. 0 not checked. [2020-08-21 14:53:39,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045927600] [2020-08-21 14:53:39,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:39,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 14:53:39,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871973960] [2020-08-21 14:53:39,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 14:53:39,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:39,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 14:53:39,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-08-21 14:53:39,188 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 16 states. [2020-08-21 14:53:39,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:39,794 INFO L93 Difference]: Finished difference Result 151 states and 234 transitions. [2020-08-21 14:53:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-21 14:53:39,795 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 348 [2020-08-21 14:53:39,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:39,797 INFO L225 Difference]: With dead ends: 151 [2020-08-21 14:53:39,797 INFO L226 Difference]: Without dead ends: 78 [2020-08-21 14:53:39,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=1041, Unknown=0, NotChecked=0, Total=1260 [2020-08-21 14:53:39,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-21 14:53:39,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2020-08-21 14:53:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-08-21 14:53:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 101 transitions. [2020-08-21 14:53:39,814 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 101 transitions. Word has length 348 [2020-08-21 14:53:39,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:39,816 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 101 transitions. [2020-08-21 14:53:39,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 14:53:39,817 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2020-08-21 14:53:39,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-21 14:53:39,819 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:39,820 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:39,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-21 14:53:39,820 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:39,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:39,820 INFO L82 PathProgramCache]: Analyzing trace with hash -604098025, now seen corresponding path program 15 times [2020-08-21 14:53:39,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:39,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220122283] [2020-08-21 14:53:39,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:53:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:40,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-21 14:53:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 0 proven. 2940 refuted. 0 times theorem prover too weak. 5854 trivial. 0 not checked. [2020-08-21 14:53:41,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220122283] [2020-08-21 14:53:41,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:41,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-21 14:53:41,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950769718] [2020-08-21 14:53:41,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-21 14:53:41,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:41,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-21 14:53:41,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=552, Unknown=0, NotChecked=0, Total=600 [2020-08-21 14:53:41,916 INFO L87 Difference]: Start difference. First operand 75 states and 101 transitions. Second operand 25 states. [2020-08-21 14:53:43,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:43,066 INFO L93 Difference]: Finished difference Result 110 states and 147 transitions. [2020-08-21 14:53:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-21 14:53:43,067 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 354 [2020-08-21 14:53:43,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:43,070 INFO L225 Difference]: With dead ends: 110 [2020-08-21 14:53:43,070 INFO L226 Difference]: Without dead ends: 106 [2020-08-21 14:53:43,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=175, Invalid=1987, Unknown=0, NotChecked=0, Total=2162 [2020-08-21 14:53:43,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-08-21 14:53:43,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 99. [2020-08-21 14:53:43,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 14:53:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 136 transitions. [2020-08-21 14:53:43,088 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 136 transitions. Word has length 354 [2020-08-21 14:53:43,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:43,089 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 136 transitions. [2020-08-21 14:53:43,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-21 14:53:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2020-08-21 14:53:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-08-21 14:53:43,094 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:43,094 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:43,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-21 14:53:43,095 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:43,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:43,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1040265751, now seen corresponding path program 16 times [2020-08-21 14:53:43,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:43,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713597484] [2020-08-21 14:53:43,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:43,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:53:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:53:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-21 14:53:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:44,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1138 proven. 2665 refuted. 0 times theorem prover too weak. 16271 trivial. 0 not checked. [2020-08-21 14:53:45,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713597484] [2020-08-21 14:53:45,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:45,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-21 14:53:45,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306028539] [2020-08-21 14:53:45,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-21 14:53:45,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:45,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-21 14:53:45,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-21 14:53:45,212 INFO L87 Difference]: Start difference. First operand 99 states and 136 transitions. Second operand 15 states. [2020-08-21 14:53:45,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:45,959 INFO L93 Difference]: Finished difference Result 185 states and 297 transitions. [2020-08-21 14:53:45,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-21 14:53:45,960 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 514 [2020-08-21 14:53:45,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:45,962 INFO L225 Difference]: With dead ends: 185 [2020-08-21 14:53:45,962 INFO L226 Difference]: Without dead ends: 118 [2020-08-21 14:53:45,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=379, Invalid=1513, Unknown=0, NotChecked=0, Total=1892 [2020-08-21 14:53:45,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-21 14:53:45,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2020-08-21 14:53:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-21 14:53:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 138 transitions. [2020-08-21 14:53:45,975 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 138 transitions. Word has length 514 [2020-08-21 14:53:45,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:45,976 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 138 transitions. [2020-08-21 14:53:45,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-21 14:53:45,976 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 138 transitions. [2020-08-21 14:53:45,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-08-21 14:53:45,978 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:45,979 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:45,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-21 14:53:45,979 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:45,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:45,980 INFO L82 PathProgramCache]: Analyzing trace with hash 800684683, now seen corresponding path program 17 times [2020-08-21 14:53:45,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:45,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020964217] [2020-08-21 14:53:45,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:53:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-21 14:53:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:46,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:47,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:47,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:47,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:47,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 244 proven. 1122 refuted. 0 times theorem prover too weak. 7456 trivial. 0 not checked. [2020-08-21 14:53:47,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020964217] [2020-08-21 14:53:47,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:47,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 14:53:47,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313855011] [2020-08-21 14:53:47,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 14:53:47,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:47,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 14:53:47,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-08-21 14:53:47,197 INFO L87 Difference]: Start difference. First operand 102 states and 138 transitions. Second operand 18 states. [2020-08-21 14:53:47,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:47,803 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2020-08-21 14:53:47,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 14:53:47,804 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 360 [2020-08-21 14:53:47,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:47,807 INFO L225 Difference]: With dead ends: 116 [2020-08-21 14:53:47,807 INFO L226 Difference]: Without dead ends: 91 [2020-08-21 14:53:47,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=282, Invalid=1278, Unknown=0, NotChecked=0, Total=1560 [2020-08-21 14:53:47,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-21 14:53:47,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-08-21 14:53:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-21 14:53:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-08-21 14:53:47,819 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 360 [2020-08-21 14:53:47,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:47,819 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-08-21 14:53:47,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 14:53:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-08-21 14:53:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-08-21 14:53:47,823 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:47,824 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:47,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-21 14:53:47,824 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:47,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:47,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1908418025, now seen corresponding path program 18 times [2020-08-21 14:53:47,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:47,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029689786] [2020-08-21 14:53:47,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:53:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:48,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-21 14:53:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-21 14:53:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1630 proven. 2173 refuted. 0 times theorem prover too weak. 16271 trivial. 0 not checked. [2020-08-21 14:53:49,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029689786] [2020-08-21 14:53:49,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:49,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-21 14:53:49,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111985720] [2020-08-21 14:53:49,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-21 14:53:49,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:49,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-21 14:53:49,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-21 14:53:49,591 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 15 states. [2020-08-21 14:53:50,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:50,325 INFO L93 Difference]: Finished difference Result 177 states and 281 transitions. [2020-08-21 14:53:50,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-21 14:53:50,329 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 514 [2020-08-21 14:53:50,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:50,331 INFO L225 Difference]: With dead ends: 177 [2020-08-21 14:53:50,332 INFO L226 Difference]: Without dead ends: 101 [2020-08-21 14:53:50,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1522, Unknown=0, NotChecked=0, Total=1892 [2020-08-21 14:53:50,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-21 14:53:50,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 84. [2020-08-21 14:53:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-21 14:53:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2020-08-21 14:53:50,350 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 514 [2020-08-21 14:53:50,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:50,350 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2020-08-21 14:53:50,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-21 14:53:50,351 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-08-21 14:53:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-08-21 14:53:50,355 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:50,356 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:50,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-21 14:53:50,359 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:50,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:50,360 INFO L82 PathProgramCache]: Analyzing trace with hash 2099436055, now seen corresponding path program 19 times [2020-08-21 14:53:50,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:50,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486865144] [2020-08-21 14:53:50,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:53:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-21 14:53:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:53:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:51,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:52,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-21 14:53:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:52,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:52,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:52,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:52,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:52,834 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 525 proven. 2762 refuted. 0 times theorem prover too weak. 32675 trivial. 0 not checked. [2020-08-21 14:53:52,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486865144] [2020-08-21 14:53:52,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:52,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 14:53:52,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320053389] [2020-08-21 14:53:52,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 14:53:52,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:52,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 14:53:52,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-08-21 14:53:52,839 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 18 states. [2020-08-21 14:53:53,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:53,714 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2020-08-21 14:53:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-21 14:53:53,715 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 674 [2020-08-21 14:53:53,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:53,718 INFO L225 Difference]: With dead ends: 94 [2020-08-21 14:53:53,718 INFO L226 Difference]: Without dead ends: 90 [2020-08-21 14:53:53,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=1426, Unknown=0, NotChecked=0, Total=1722 [2020-08-21 14:53:53,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-08-21 14:53:53,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2020-08-21 14:53:53,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-21 14:53:53,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 121 transitions. [2020-08-21 14:53:53,731 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 121 transitions. Word has length 674 [2020-08-21 14:53:53,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:53,733 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 121 transitions. [2020-08-21 14:53:53,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 14:53:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2020-08-21 14:53:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2020-08-21 14:53:53,738 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:53,739 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:53,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-21 14:53:53,739 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:53,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:53,740 INFO L82 PathProgramCache]: Analyzing trace with hash 2092966539, now seen corresponding path program 20 times [2020-08-21 14:53:53,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:53,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069998533] [2020-08-21 14:53:53,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:53:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:54,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:53:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:54,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:53:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:55,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-21 14:53:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:53:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:53:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:53:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:53:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:56,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:53:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:57,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-21 14:53:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:57,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:57,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:57,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:57,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:57,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:53:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:53:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 35990 backedges. 0 proven. 12010 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2020-08-21 14:53:58,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069998533] [2020-08-21 14:53:58,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:53:58,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-21 14:53:58,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298849801] [2020-08-21 14:53:58,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-21 14:53:58,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:53:58,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-21 14:53:58,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=756, Unknown=0, NotChecked=0, Total=812 [2020-08-21 14:53:58,344 INFO L87 Difference]: Start difference. First operand 87 states and 121 transitions. Second operand 29 states. [2020-08-21 14:53:59,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:53:59,869 INFO L93 Difference]: Finished difference Result 125 states and 171 transitions. [2020-08-21 14:53:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-08-21 14:53:59,870 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 680 [2020-08-21 14:53:59,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:53:59,874 INFO L225 Difference]: With dead ends: 125 [2020-08-21 14:53:59,874 INFO L226 Difference]: Without dead ends: 121 [2020-08-21 14:53:59,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=2763, Unknown=0, NotChecked=0, Total=2970 [2020-08-21 14:53:59,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-21 14:53:59,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2020-08-21 14:53:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-21 14:53:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2020-08-21 14:53:59,897 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 680 [2020-08-21 14:53:59,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:53:59,898 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2020-08-21 14:53:59,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-21 14:53:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2020-08-21 14:53:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2020-08-21 14:53:59,909 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:53:59,910 INFO L422 BasicCegarLoop]: trace histogram [191, 191, 96, 95, 95, 95, 95, 95, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:53:59,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-21 14:53:59,910 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:53:59,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:53:59,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1334715019, now seen corresponding path program 21 times [2020-08-21 14:53:59,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:53:59,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607073868] [2020-08-21 14:53:59,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:54:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:00,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:54:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:00,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:54:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:01,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-21 14:54:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:54:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-21 14:54:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:54:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:02,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:03,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-08-21 14:54:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:03,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:03,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:03,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:03,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 81590 backedges. 2688 proven. 6748 refuted. 0 times theorem prover too weak. 72154 trivial. 0 not checked. [2020-08-21 14:54:04,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607073868] [2020-08-21 14:54:04,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:54:04,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-21 14:54:04,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040542918] [2020-08-21 14:54:04,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-21 14:54:04,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:54:04,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-21 14:54:04,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-21 14:54:04,078 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand 17 states. [2020-08-21 14:54:05,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:54:05,034 INFO L93 Difference]: Finished difference Result 215 states and 356 transitions. [2020-08-21 14:54:05,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-08-21 14:54:05,036 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1000 [2020-08-21 14:54:05,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:54:05,041 INFO L225 Difference]: With dead ends: 215 [2020-08-21 14:54:05,041 INFO L226 Difference]: Without dead ends: 136 [2020-08-21 14:54:05,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=517, Invalid=2135, Unknown=0, NotChecked=0, Total=2652 [2020-08-21 14:54:05,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-08-21 14:54:05,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 117. [2020-08-21 14:54:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-21 14:54:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 162 transitions. [2020-08-21 14:54:05,058 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 162 transitions. Word has length 1000 [2020-08-21 14:54:05,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:54:05,059 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 162 transitions. [2020-08-21 14:54:05,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-21 14:54:05,059 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 162 transitions. [2020-08-21 14:54:05,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2020-08-21 14:54:05,064 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:54:05,065 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:54:05,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-21 14:54:05,065 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:54:05,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:54:05,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1024924247, now seen corresponding path program 22 times [2020-08-21 14:54:05,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:54:05,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593269613] [2020-08-21 14:54:05,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:54:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:05,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:54:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:05,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:05,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:54:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-21 14:54:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:54:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:06,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:07,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-21 14:54:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:07,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:07,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:07,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:07,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:07,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:07,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 36024 backedges. 525 proven. 2793 refuted. 0 times theorem prover too weak. 32706 trivial. 0 not checked. [2020-08-21 14:54:07,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593269613] [2020-08-21 14:54:07,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:54:07,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-21 14:54:07,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399941730] [2020-08-21 14:54:07,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-21 14:54:07,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:54:07,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-21 14:54:07,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-08-21 14:54:07,474 INFO L87 Difference]: Start difference. First operand 117 states and 162 transitions. Second operand 20 states. [2020-08-21 14:54:08,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:54:08,216 INFO L93 Difference]: Finished difference Result 131 states and 184 transitions. [2020-08-21 14:54:08,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-21 14:54:08,217 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 686 [2020-08-21 14:54:08,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:54:08,220 INFO L225 Difference]: With dead ends: 131 [2020-08-21 14:54:08,221 INFO L226 Difference]: Without dead ends: 103 [2020-08-21 14:54:08,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=370, Invalid=1700, Unknown=0, NotChecked=0, Total=2070 [2020-08-21 14:54:08,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-08-21 14:54:08,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2020-08-21 14:54:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 14:54:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 149 transitions. [2020-08-21 14:54:08,234 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 149 transitions. Word has length 686 [2020-08-21 14:54:08,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:54:08,235 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 149 transitions. [2020-08-21 14:54:08,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-21 14:54:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2020-08-21 14:54:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2020-08-21 14:54:08,251 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:54:08,252 INFO L422 BasicCegarLoop]: trace histogram [255, 255, 128, 127, 127, 127, 127, 127, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:54:08,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-21 14:54:08,252 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:54:08,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:54:08,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1504539275, now seen corresponding path program 23 times [2020-08-21 14:54:08,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:54:08,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177264071] [2020-08-21 14:54:08,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:54:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:10,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:54:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:10,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:54:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-21 14:54:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:54:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:11,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-08-21 14:54:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:54:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-21 14:54:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:12,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 14:54:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 14:54:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:54:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:54:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:13,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 14:54:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:14,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1282 [2020-08-21 14:54:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:14,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:14,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:14,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:14,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:54:14,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:54:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat