/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_20-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:18:37,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:18:37,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:18:37,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:18:37,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:18:37,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:18:37,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:18:37,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:18:37,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:18:37,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:18:37,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:18:37,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:18:37,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:18:37,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:18:37,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:18:37,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:18:37,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:18:37,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:18:37,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:18:37,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:18:37,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:18:37,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:18:37,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:18:37,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:18:37,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-21 10:18:37,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:18:37,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:18:37,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:18:37,811 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 10:18:37,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:18:37,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:18:37,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:18:37,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:18:37,839 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:18:37,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:18:37,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:18:37,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:18:37,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:18:37,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:18:37,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:18:37,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:18:37,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:18:37,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:18:37,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:18:37,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:18:37,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:18:37,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:18:37,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:18:37,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:18:37,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:18:37,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:18:37,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:18:37,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:18:37,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:18:37,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:18:37,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:18:37,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:18:37,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:18:37,844 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 -> false [2020-09-21 10:18:38,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:18:38,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:18:38,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:18:38,360 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:18:38,361 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:18:38,364 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_20-1.c [2020-09-21 10:18:38,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e75b14618/77a5489f84844c66a9b608bda0353132/FLAGaef6de7d3 [2020-09-21 10:18:39,027 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:18:39,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_20-1.c [2020-09-21 10:18:39,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e75b14618/77a5489f84844c66a9b608bda0353132/FLAGaef6de7d3 [2020-09-21 10:18:39,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e75b14618/77a5489f84844c66a9b608bda0353132 [2020-09-21 10:18:39,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:18:39,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:18:39,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:18:39,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:18:39,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:18:39,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:18:39" (1/1) ... [2020-09-21 10:18:39,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d4521a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39, skipping insertion in model container [2020-09-21 10:18:39,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:18:39" (1/1) ... [2020-09-21 10:18:39,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:18:39,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:18:39,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:18:39,691 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:18:39,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:18:39,729 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:18:39,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39 WrapperNode [2020-09-21 10:18:39,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:18:39,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:18:39,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:18:39,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:18:39,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39" (1/1) ... [2020-09-21 10:18:39,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39" (1/1) ... [2020-09-21 10:18:39,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39" (1/1) ... [2020-09-21 10:18:39,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39" (1/1) ... [2020-09-21 10:18:39,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39" (1/1) ... [2020-09-21 10:18:39,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39" (1/1) ... [2020-09-21 10:18:39,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39" (1/1) ... [2020-09-21 10:18:39,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:18:39,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:18:39,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:18:39,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:18:39,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:18:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:18:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:18:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-09-21 10:18:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-09-21 10:18:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:18:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:18:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:18:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-09-21 10:18:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-09-21 10:18:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:18:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:18:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:18:40,167 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:18:40,167 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 10:18:40,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:18:40 BoogieIcfgContainer [2020-09-21 10:18:40,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:18:40,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:18:40,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:18:40,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:18:40,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:18:39" (1/3) ... [2020-09-21 10:18:40,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de653ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:18:40, skipping insertion in model container [2020-09-21 10:18:40,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:39" (2/3) ... [2020-09-21 10:18:40,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de653ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:18:40, skipping insertion in model container [2020-09-21 10:18:40,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:18:40" (3/3) ... [2020-09-21 10:18:40,184 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_20-1.c [2020-09-21 10:18:40,197 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:18:40,210 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:18:40,251 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:18:40,293 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:18:40,293 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:18:40,293 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:18:40,294 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:18:40,294 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:18:40,294 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:18:40,294 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:18:40,294 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:18:40,321 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-09-21 10:18:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 10:18:40,331 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:40,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:40,333 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:40,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:40,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-09-21 10:18:40,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:40,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672791921] [2020-09-21 10:18:40,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:18:40,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672791921] [2020-09-21 10:18:40,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:18:40,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 10:18:40,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092684335] [2020-09-21 10:18:40,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:18:40,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:40,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:18:40,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:18:40,619 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-09-21 10:18:40,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:40,753 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-09-21 10:18:40,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 10:18:40,756 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-21 10:18:40,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:40,769 INFO L225 Difference]: With dead ends: 44 [2020-09-21 10:18:40,770 INFO L226 Difference]: Without dead ends: 30 [2020-09-21 10:18:40,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:18:40,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-21 10:18:40,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-21 10:18:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 10:18:40,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-09-21 10:18:40,829 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-09-21 10:18:40,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:40,830 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-09-21 10:18:40,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:18:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-09-21 10:18:40,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 10:18:40,832 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:40,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:40,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:18:40,834 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:40,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:40,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-09-21 10:18:40,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:40,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987064475] [2020-09-21 10:18:40,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:18:40,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987064475] [2020-09-21 10:18:40,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:18:40,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 10:18:40,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144779146] [2020-09-21 10:18:40,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:18:40,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:40,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:18:40,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:18:40,913 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-09-21 10:18:40,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:40,994 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-09-21 10:18:40,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 10:18:40,995 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-21 10:18:40,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:40,997 INFO L225 Difference]: With dead ends: 36 [2020-09-21 10:18:40,997 INFO L226 Difference]: Without dead ends: 32 [2020-09-21 10:18:40,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:18:41,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-09-21 10:18:41,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-09-21 10:18:41,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 10:18:41,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-09-21 10:18:41,010 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-09-21 10:18:41,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:41,010 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-09-21 10:18:41,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:18:41,011 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-09-21 10:18:41,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 10:18:41,013 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:41,013 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:41,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:18:41,014 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:41,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:41,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-09-21 10:18:41,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:41,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203510602] [2020-09-21 10:18:41,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:18:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 10:18:41,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203510602] [2020-09-21 10:18:41,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:41,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 10:18:41,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513765773] [2020-09-21 10:18:41,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 10:18:41,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:41,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 10:18:41,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:18:41,164 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-09-21 10:18:41,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:41,281 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-09-21 10:18:41,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:18:41,282 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-21 10:18:41,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:41,284 INFO L225 Difference]: With dead ends: 58 [2020-09-21 10:18:41,284 INFO L226 Difference]: Without dead ends: 34 [2020-09-21 10:18:41,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:18:41,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-09-21 10:18:41,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-09-21 10:18:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 10:18:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-09-21 10:18:41,306 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-09-21 10:18:41,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:41,307 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-09-21 10:18:41,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 10:18:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-09-21 10:18:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 10:18:41,312 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:41,313 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:41,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:18:41,314 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:41,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:41,315 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-09-21 10:18:41,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:41,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605882994] [2020-09-21 10:18:41,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 10:18:41,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605882994] [2020-09-21 10:18:41,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:41,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 10:18:41,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551606296] [2020-09-21 10:18:41,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 10:18:41,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:41,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 10:18:41,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:18:41,468 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-09-21 10:18:41,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:41,713 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-09-21 10:18:41,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 10:18:41,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-09-21 10:18:41,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:41,720 INFO L225 Difference]: With dead ends: 54 [2020-09-21 10:18:41,722 INFO L226 Difference]: Without dead ends: 50 [2020-09-21 10:18:41,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:18:41,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-09-21 10:18:41,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-09-21 10:18:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-09-21 10:18:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-09-21 10:18:41,738 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-09-21 10:18:41,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:41,739 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-09-21 10:18:41,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 10:18:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-09-21 10:18:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-21 10:18:41,741 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:41,742 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:41,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 10:18:41,742 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:41,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:41,743 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-09-21 10:18:41,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:41,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938991282] [2020-09-21 10:18:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:18:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:18:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 10:18:41,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938991282] [2020-09-21 10:18:41,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:41,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 10:18:41,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852695272] [2020-09-21 10:18:41,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 10:18:41,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:41,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 10:18:41,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:18:41,865 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-09-21 10:18:41,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:41,950 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-09-21 10:18:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 10:18:41,951 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-09-21 10:18:41,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:41,953 INFO L225 Difference]: With dead ends: 94 [2020-09-21 10:18:41,953 INFO L226 Difference]: Without dead ends: 52 [2020-09-21 10:18:41,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:18:41,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-09-21 10:18:41,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-09-21 10:18:41,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-09-21 10:18:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-09-21 10:18:41,967 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-09-21 10:18:41,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:41,967 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-09-21 10:18:41,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 10:18:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-09-21 10:18:41,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-21 10:18:41,970 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:41,970 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:41,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 10:18:41,971 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:41,971 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-09-21 10:18:41,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:41,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977834487] [2020-09-21 10:18:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 10:18:42,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977834487] [2020-09-21 10:18:42,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:42,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 10:18:42,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632649216] [2020-09-21 10:18:42,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:18:42,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:42,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:18:42,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:18:42,182 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-09-21 10:18:42,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:42,317 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-09-21 10:18:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 10:18:42,318 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-09-21 10:18:42,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:42,320 INFO L225 Difference]: With dead ends: 103 [2020-09-21 10:18:42,320 INFO L226 Difference]: Without dead ends: 57 [2020-09-21 10:18:42,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:18:42,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-09-21 10:18:42,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-09-21 10:18:42,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-21 10:18:42,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-09-21 10:18:42,334 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-09-21 10:18:42,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:42,335 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-09-21 10:18:42,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:18:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-09-21 10:18:42,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 10:18:42,338 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:42,338 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:42,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 10:18:42,339 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:42,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:42,339 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-09-21 10:18:42,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:42,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945564684] [2020-09-21 10:18:42,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 10:18:42,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945564684] [2020-09-21 10:18:42,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:42,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 10:18:42,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005320849] [2020-09-21 10:18:42,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:18:42,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:42,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:18:42,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:18:42,482 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-09-21 10:18:42,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:42,687 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-09-21 10:18:42,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 10:18:42,688 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-09-21 10:18:42,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:42,691 INFO L225 Difference]: With dead ends: 86 [2020-09-21 10:18:42,691 INFO L226 Difference]: Without dead ends: 82 [2020-09-21 10:18:42,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:18:42,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-09-21 10:18:42,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-09-21 10:18:42,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-21 10:18:42,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-09-21 10:18:42,710 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-09-21 10:18:42,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:42,710 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-09-21 10:18:42,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:18:42,711 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-09-21 10:18:42,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 10:18:42,714 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:42,714 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:42,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 10:18:42,715 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:42,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:42,715 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-09-21 10:18:42,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:42,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868192288] [2020-09-21 10:18:42,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 10:18:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-21 10:18:42,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868192288] [2020-09-21 10:18:42,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:42,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 10:18:42,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13149679] [2020-09-21 10:18:42,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:18:42,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:42,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:18:42,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:18:42,894 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-09-21 10:18:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:43,025 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-09-21 10:18:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 10:18:43,026 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-09-21 10:18:43,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:43,028 INFO L225 Difference]: With dead ends: 167 [2020-09-21 10:18:43,028 INFO L226 Difference]: Without dead ends: 94 [2020-09-21 10:18:43,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:18:43,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-21 10:18:43,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-09-21 10:18:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-09-21 10:18:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-09-21 10:18:43,047 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-09-21 10:18:43,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:43,047 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-09-21 10:18:43,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:18:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-09-21 10:18:43,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 10:18:43,053 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:43,053 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:43,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 10:18:43,054 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:43,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:43,054 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-09-21 10:18:43,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:43,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38874452] [2020-09-21 10:18:43,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 10:18:43,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38874452] [2020-09-21 10:18:43,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:43,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 10:18:43,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083094177] [2020-09-21 10:18:43,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 10:18:43,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:43,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 10:18:43,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:18:43,271 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-09-21 10:18:43,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:43,532 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-09-21 10:18:43,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 10:18:43,533 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-09-21 10:18:43,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:43,537 INFO L225 Difference]: With dead ends: 188 [2020-09-21 10:18:43,537 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 10:18:43,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:18:43,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 10:18:43,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-09-21 10:18:43,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 10:18:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-09-21 10:18:43,578 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-09-21 10:18:43,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:43,579 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-09-21 10:18:43,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 10:18:43,579 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-09-21 10:18:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-21 10:18:43,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:43,585 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:43,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 10:18:43,585 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:43,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:43,586 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-09-21 10:18:43,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:43,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523628859] [2020-09-21 10:18:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-09-21 10:18:43,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523628859] [2020-09-21 10:18:43,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:43,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 10:18:43,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123549466] [2020-09-21 10:18:43,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 10:18:43,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:43,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 10:18:43,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-21 10:18:43,958 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-09-21 10:18:44,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:44,375 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-09-21 10:18:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-21 10:18:44,376 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-09-21 10:18:44,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:44,378 INFO L225 Difference]: With dead ends: 199 [2020-09-21 10:18:44,378 INFO L226 Difference]: Without dead ends: 86 [2020-09-21 10:18:44,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-09-21 10:18:44,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-09-21 10:18:44,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-09-21 10:18:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-09-21 10:18:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-09-21 10:18:44,390 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-09-21 10:18:44,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:44,390 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-09-21 10:18:44,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 10:18:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-09-21 10:18:44,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-09-21 10:18:44,392 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:44,392 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:44,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 10:18:44,393 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:44,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:44,393 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-09-21 10:18:44,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:44,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281381116] [2020-09-21 10:18:44,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 10:18:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,680 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-09-21 10:18:44,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281381116] [2020-09-21 10:18:44,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:44,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 10:18:44,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191543361] [2020-09-21 10:18:44,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 10:18:44,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:44,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 10:18:44,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:18:44,683 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-09-21 10:18:44,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:44,903 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-09-21 10:18:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 10:18:44,904 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-09-21 10:18:44,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:44,906 INFO L225 Difference]: With dead ends: 142 [2020-09-21 10:18:44,906 INFO L226 Difference]: Without dead ends: 78 [2020-09-21 10:18:44,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:18:44,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-21 10:18:44,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-09-21 10:18:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-09-21 10:18:44,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-09-21 10:18:44,916 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-09-21 10:18:44,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:44,917 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-09-21 10:18:44,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 10:18:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-09-21 10:18:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-21 10:18:44,919 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:44,919 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:44,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 10:18:44,920 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:44,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:44,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-09-21 10:18:44,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:44,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405531425] [2020-09-21 10:18:44,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 10:18:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 10:18:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 10:18:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-09-21 10:18:45,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405531425] [2020-09-21 10:18:45,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:45,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 10:18:45,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367622893] [2020-09-21 10:18:45,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 10:18:45,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:45,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 10:18:45,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-09-21 10:18:45,660 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-09-21 10:18:46,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:46,297 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-09-21 10:18:46,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-21 10:18:46,298 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-09-21 10:18:46,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:46,301 INFO L225 Difference]: With dead ends: 184 [2020-09-21 10:18:46,301 INFO L226 Difference]: Without dead ends: 111 [2020-09-21 10:18:46,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-09-21 10:18:46,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-21 10:18:46,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-09-21 10:18:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 10:18:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-09-21 10:18:46,313 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-09-21 10:18:46,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:46,313 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-09-21 10:18:46,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 10:18:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-09-21 10:18:46,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 10:18:46,315 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:46,315 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:46,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 10:18:46,316 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:46,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:46,316 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-09-21 10:18:46,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:46,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981495760] [2020-09-21 10:18:46,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 10:18:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-09-21 10:18:46,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981495760] [2020-09-21 10:18:46,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:46,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 10:18:46,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225842202] [2020-09-21 10:18:46,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 10:18:46,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:46,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 10:18:46,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:18:46,658 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-09-21 10:18:46,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:46,926 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-09-21 10:18:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 10:18:46,927 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-09-21 10:18:46,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:46,929 INFO L225 Difference]: With dead ends: 188 [2020-09-21 10:18:46,929 INFO L226 Difference]: Without dead ends: 101 [2020-09-21 10:18:46,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-09-21 10:18:46,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-09-21 10:18:46,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-09-21 10:18:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-09-21 10:18:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-09-21 10:18:46,939 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-09-21 10:18:46,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:46,940 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-09-21 10:18:46,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 10:18:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-09-21 10:18:46,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 10:18:46,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:46,942 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:46,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 10:18:46,943 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:46,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:46,943 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-09-21 10:18:46,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:46,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966671609] [2020-09-21 10:18:46,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-21 10:18:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-09-21 10:18:47,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966671609] [2020-09-21 10:18:47,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:47,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 10:18:47,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877182959] [2020-09-21 10:18:47,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 10:18:47,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:47,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 10:18:47,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:18:47,519 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-09-21 10:18:48,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:48,181 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-09-21 10:18:48,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 10:18:48,182 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-09-21 10:18:48,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:48,184 INFO L225 Difference]: With dead ends: 224 [2020-09-21 10:18:48,184 INFO L226 Difference]: Without dead ends: 131 [2020-09-21 10:18:48,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-09-21 10:18:48,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-09-21 10:18:48,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-09-21 10:18:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-21 10:18:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-09-21 10:18:48,196 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-09-21 10:18:48,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:48,196 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-09-21 10:18:48,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 10:18:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-09-21 10:18:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 10:18:48,199 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:48,199 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:48,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 10:18:48,200 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:48,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:48,200 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-09-21 10:18:48,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:48,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1736833511] [2020-09-21 10:18:48,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-09-21 10:18:48,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1736833511] [2020-09-21 10:18:48,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:48,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 10:18:48,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645165116] [2020-09-21 10:18:48,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 10:18:48,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:48,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 10:18:48,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:18:48,606 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-09-21 10:18:48,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:48,905 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-09-21 10:18:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 10:18:48,906 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-09-21 10:18:48,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:48,910 INFO L225 Difference]: With dead ends: 244 [2020-09-21 10:18:48,910 INFO L226 Difference]: Without dead ends: 240 [2020-09-21 10:18:48,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-09-21 10:18:48,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-09-21 10:18:48,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-09-21 10:18:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-09-21 10:18:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-09-21 10:18:48,930 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-09-21 10:18:48,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:48,930 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-09-21 10:18:48,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 10:18:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-09-21 10:18:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-21 10:18:48,935 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:48,935 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:48,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-21 10:18:48,935 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:48,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:48,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-09-21 10:18:48,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:48,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062026468] [2020-09-21 10:18:48,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 10:18:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-21 10:18:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 10:18:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 167 proven. 362 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2020-09-21 10:18:49,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062026468] [2020-09-21 10:18:49,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:49,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 10:18:49,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777744938] [2020-09-21 10:18:49,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 10:18:49,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:49,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 10:18:49,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:18:49,712 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-09-21 10:18:49,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:49,957 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-09-21 10:18:49,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 10:18:49,958 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-09-21 10:18:49,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:49,961 INFO L225 Difference]: With dead ends: 429 [2020-09-21 10:18:49,962 INFO L226 Difference]: Without dead ends: 225 [2020-09-21 10:18:49,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-09-21 10:18:49,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-09-21 10:18:49,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-09-21 10:18:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-21 10:18:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-09-21 10:18:49,980 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-09-21 10:18:49,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:49,981 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-09-21 10:18:49,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 10:18:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-09-21 10:18:49,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-09-21 10:18:49,986 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:49,986 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:49,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-21 10:18:49,986 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:49,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:49,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-09-21 10:18:49,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:49,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739846721] [2020-09-21 10:18:49,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-09-21 10:18:50,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739846721] [2020-09-21 10:18:50,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:50,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 10:18:50,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002011977] [2020-09-21 10:18:50,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 10:18:50,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:50,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 10:18:50,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-09-21 10:18:50,778 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-09-21 10:18:51,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:51,127 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-09-21 10:18:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 10:18:51,127 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-09-21 10:18:51,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:51,134 INFO L225 Difference]: With dead ends: 469 [2020-09-21 10:18:51,135 INFO L226 Difference]: Without dead ends: 465 [2020-09-21 10:18:51,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-09-21 10:18:51,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-09-21 10:18:51,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-09-21 10:18:51,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-09-21 10:18:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-09-21 10:18:51,168 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-09-21 10:18:51,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:51,169 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-09-21 10:18:51,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 10:18:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-09-21 10:18:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-09-21 10:18:51,175 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:51,176 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 22, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:51,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-21 10:18:51,176 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:51,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:51,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-09-21 10:18:51,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:51,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363955306] [2020-09-21 10:18:51,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-21 10:18:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-09-21 10:18:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 297 proven. 795 refuted. 0 times theorem prover too weak. 2677 trivial. 0 not checked. [2020-09-21 10:18:52,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363955306] [2020-09-21 10:18:52,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:52,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 10:18:52,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937258018] [2020-09-21 10:18:52,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 10:18:52,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:52,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 10:18:52,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:18:52,398 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-09-21 10:18:52,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:52,897 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-09-21 10:18:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 10:18:52,898 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-09-21 10:18:52,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:52,910 INFO L225 Difference]: With dead ends: 924 [2020-09-21 10:18:52,910 INFO L226 Difference]: Without dead ends: 493 [2020-09-21 10:18:52,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-09-21 10:18:52,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-09-21 10:18:52,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-09-21 10:18:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-09-21 10:18:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-09-21 10:18:52,962 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-09-21 10:18:52,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:52,963 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-09-21 10:18:52,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 10:18:52,964 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-09-21 10:18:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-09-21 10:18:52,979 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:52,980 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 40, 40, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 13, 13, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:52,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-21 10:18:52,980 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:52,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:52,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1718075054, now seen corresponding path program 7 times [2020-09-21 10:18:52,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:52,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040543140] [2020-09-21 10:18:52,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:53,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-21 10:18:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 9421 backedges. 593 proven. 1863 refuted. 0 times theorem prover too weak. 6965 trivial. 0 not checked. [2020-09-21 10:18:55,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040543140] [2020-09-21 10:18:55,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:55,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-21 10:18:55,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074333072] [2020-09-21 10:18:55,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-21 10:18:55,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:55,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-21 10:18:55,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-21 10:18:55,524 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 18 states. [2020-09-21 10:18:56,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:56,870 INFO L93 Difference]: Finished difference Result 836 states and 1442 transitions. [2020-09-21 10:18:56,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-21 10:18:56,870 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 572 [2020-09-21 10:18:56,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:56,881 INFO L225 Difference]: With dead ends: 836 [2020-09-21 10:18:56,881 INFO L226 Difference]: Without dead ends: 395 [2020-09-21 10:18:56,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-09-21 10:18:56,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-09-21 10:18:56,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 327. [2020-09-21 10:18:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-09-21 10:18:56,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 502 transitions. [2020-09-21 10:18:56,932 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 502 transitions. Word has length 572 [2020-09-21 10:18:56,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:56,934 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 502 transitions. [2020-09-21 10:18:56,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-21 10:18:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 502 transitions. [2020-09-21 10:18:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-09-21 10:18:56,939 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:56,940 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 24, 24, 21, 20, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 9, 7, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:56,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-21 10:18:56,940 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:56,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:56,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1572493120, now seen corresponding path program 8 times [2020-09-21 10:18:56,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:56,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340165226] [2020-09-21 10:18:56,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-21 10:18:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3484 backedges. 422 proven. 756 refuted. 0 times theorem prover too weak. 2306 trivial. 0 not checked. [2020-09-21 10:18:58,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340165226] [2020-09-21 10:18:58,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:58,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-21 10:18:58,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643797699] [2020-09-21 10:18:58,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-21 10:18:58,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:58,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-21 10:18:58,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-21 10:18:58,266 INFO L87 Difference]: Start difference. First operand 327 states and 502 transitions. Second operand 16 states. [2020-09-21 10:18:59,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:59,013 INFO L93 Difference]: Finished difference Result 720 states and 1202 transitions. [2020-09-21 10:18:59,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-21 10:18:59,014 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 354 [2020-09-21 10:18:59,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:59,020 INFO L225 Difference]: With dead ends: 720 [2020-09-21 10:18:59,021 INFO L226 Difference]: Without dead ends: 415 [2020-09-21 10:18:59,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-09-21 10:18:59,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-09-21 10:18:59,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 375. [2020-09-21 10:18:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-21 10:18:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 561 transitions. [2020-09-21 10:18:59,057 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 561 transitions. Word has length 354 [2020-09-21 10:18:59,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:59,058 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 561 transitions. [2020-09-21 10:18:59,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-21 10:18:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 561 transitions. [2020-09-21 10:18:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-09-21 10:18:59,062 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:59,062 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 23, 23, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:59,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-21 10:18:59,063 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:59,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:59,063 INFO L82 PathProgramCache]: Analyzing trace with hash 634662915, now seen corresponding path program 9 times [2020-09-21 10:18:59,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:59,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687193161] [2020-09-21 10:18:59,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:19:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4370 backedges. 694 proven. 802 refuted. 0 times theorem prover too weak. 2874 trivial. 0 not checked. [2020-09-21 10:19:00,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687193161] [2020-09-21 10:19:00,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:19:00,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-21 10:19:00,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527230992] [2020-09-21 10:19:00,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-21 10:19:00,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:19:00,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-21 10:19:00,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-21 10:19:00,519 INFO L87 Difference]: Start difference. First operand 375 states and 561 transitions. Second operand 18 states. [2020-09-21 10:19:01,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:19:01,630 INFO L93 Difference]: Finished difference Result 816 states and 1328 transitions. [2020-09-21 10:19:01,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-21 10:19:01,631 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 395 [2020-09-21 10:19:01,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:19:01,642 INFO L225 Difference]: With dead ends: 816 [2020-09-21 10:19:01,642 INFO L226 Difference]: Without dead ends: 463 [2020-09-21 10:19:01,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-09-21 10:19:01,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-09-21 10:19:01,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 399. [2020-09-21 10:19:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-09-21 10:19:01,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 606 transitions. [2020-09-21 10:19:01,685 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 606 transitions. Word has length 395 [2020-09-21 10:19:01,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:19:01,687 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 606 transitions. [2020-09-21 10:19:01,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-21 10:19:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 606 transitions. [2020-09-21 10:19:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-09-21 10:19:01,693 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:19:01,694 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 11, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:19:01,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-21 10:19:01,694 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:19:01,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:19:01,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 10 times [2020-09-21 10:19:01,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:19:01,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472640403] [2020-09-21 10:19:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:19:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:01,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:19:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:01,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:19:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:19:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1102 proven. 902 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2020-09-21 10:19:03,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472640403] [2020-09-21 10:19:03,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:19:03,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-21 10:19:03,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411622] [2020-09-21 10:19:03,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-21 10:19:03,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:19:03,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-21 10:19:03,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-09-21 10:19:03,570 INFO L87 Difference]: Start difference. First operand 399 states and 606 transitions. Second operand 22 states. [2020-09-21 10:19:04,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:19:04,795 INFO L93 Difference]: Finished difference Result 886 states and 1553 transitions. [2020-09-21 10:19:04,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-21 10:19:04,796 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-09-21 10:19:04,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:19:04,807 INFO L225 Difference]: With dead ends: 886 [2020-09-21 10:19:04,808 INFO L226 Difference]: Without dead ends: 509 [2020-09-21 10:19:04,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-09-21 10:19:04,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-09-21 10:19:04,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 475. [2020-09-21 10:19:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-09-21 10:19:04,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 773 transitions. [2020-09-21 10:19:04,864 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 773 transitions. Word has length 436 [2020-09-21 10:19:04,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:19:04,865 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 773 transitions. [2020-09-21 10:19:04,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-21 10:19:04,865 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 773 transitions. [2020-09-21 10:19:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-09-21 10:19:04,873 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:19:04,873 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 35, 35, 30, 29, 19, 19, 19, 19, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 13, 10, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:19:04,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-21 10:19:04,874 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:19:04,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:19:04,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1638954211, now seen corresponding path program 11 times [2020-09-21 10:19:04,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:19:04,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1482554168] [2020-09-21 10:19:04,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:19:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:19:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:19:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:19:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 1340 proven. 1409 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2020-09-21 10:19:06,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1482554168] [2020-09-21 10:19:06,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:19:06,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-21 10:19:06,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004000367] [2020-09-21 10:19:06,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-21 10:19:06,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:19:06,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-21 10:19:06,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2020-09-21 10:19:06,649 INFO L87 Difference]: Start difference. First operand 475 states and 773 transitions. Second operand 24 states. [2020-09-21 10:19:08,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:19:08,363 INFO L93 Difference]: Finished difference Result 761 states and 1315 transitions. [2020-09-21 10:19:08,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-09-21 10:19:08,364 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 504 [2020-09-21 10:19:08,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:19:08,368 INFO L225 Difference]: With dead ends: 761 [2020-09-21 10:19:08,369 INFO L226 Difference]: Without dead ends: 307 [2020-09-21 10:19:08,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1052 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=515, Invalid=3145, Unknown=0, NotChecked=0, Total=3660 [2020-09-21 10:19:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-09-21 10:19:08,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 262. [2020-09-21 10:19:08,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-21 10:19:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 383 transitions. [2020-09-21 10:19:08,393 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 383 transitions. Word has length 504 [2020-09-21 10:19:08,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:19:08,394 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 383 transitions. [2020-09-21 10:19:08,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-21 10:19:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 383 transitions. [2020-09-21 10:19:08,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2020-09-21 10:19:08,419 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:19:08,420 INFO L422 BasicCegarLoop]: trace histogram [126, 126, 119, 119, 99, 99, 63, 63, 63, 63, 63, 63, 63, 59, 59, 59, 59, 59, 59, 59, 40, 36, 27, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:19:08,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-21 10:19:08,421 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:19:08,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:19:08,422 INFO L82 PathProgramCache]: Analyzing trace with hash 427401527, now seen corresponding path program 12 times [2020-09-21 10:19:08,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:19:08,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131791221] [2020-09-21 10:19:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:19:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:09,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:19:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:09,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:19:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:10,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:10,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:10,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:19:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:11,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-21 10:19:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-21 10:19:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:12,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2020-09-21 10:19:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:13,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-21 10:19:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-09-21 10:19:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-09-21 10:19:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:14,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 83942 backedges. 2248 proven. 10082 refuted. 0 times theorem prover too weak. 71612 trivial. 0 not checked. [2020-09-21 10:19:17,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131791221] [2020-09-21 10:19:17,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:19:17,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-21 10:19:17,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108610436] [2020-09-21 10:19:17,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-21 10:19:17,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:19:17,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-21 10:19:17,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2020-09-21 10:19:17,112 INFO L87 Difference]: Start difference. First operand 262 states and 383 transitions. Second operand 21 states. [2020-09-21 10:19:18,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:19:18,787 INFO L93 Difference]: Finished difference Result 516 states and 867 transitions. [2020-09-21 10:19:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-09-21 10:19:18,788 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1675 [2020-09-21 10:19:18,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:19:18,794 INFO L225 Difference]: With dead ends: 516 [2020-09-21 10:19:18,794 INFO L226 Difference]: Without dead ends: 266 [2020-09-21 10:19:18,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=347, Invalid=2305, Unknown=0, NotChecked=0, Total=2652 [2020-09-21 10:19:18,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-09-21 10:19:18,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 241. [2020-09-21 10:19:18,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-09-21 10:19:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 352 transitions. [2020-09-21 10:19:18,816 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 352 transitions. Word has length 1675 [2020-09-21 10:19:18,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:19:18,817 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 352 transitions. [2020-09-21 10:19:18,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-21 10:19:18,817 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 352 transitions. [2020-09-21 10:19:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-09-21 10:19:18,824 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:19:18,824 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:19:18,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-21 10:19:18,830 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:19:18,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:19:18,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 13 times [2020-09-21 10:19:18,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:19:18,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176455144] [2020-09-21 10:19:18,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:19:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:19,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:19:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:19,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:19:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:19,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:19,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:19,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:19:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-21 10:19:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:20,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:21,360 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-09-21 10:19:21,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176455144] [2020-09-21 10:19:21,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:19:21,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 10:19:21,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624003914] [2020-09-21 10:19:21,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 10:19:21,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:19:21,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 10:19:21,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:19:21,363 INFO L87 Difference]: Start difference. First operand 241 states and 352 transitions. Second operand 14 states. [2020-09-21 10:19:21,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:19:21,876 INFO L93 Difference]: Finished difference Result 686 states and 1079 transitions. [2020-09-21 10:19:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 10:19:21,881 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-09-21 10:19:21,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:19:21,891 INFO L225 Difference]: With dead ends: 686 [2020-09-21 10:19:21,891 INFO L226 Difference]: Without dead ends: 682 [2020-09-21 10:19:21,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-09-21 10:19:21,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-09-21 10:19:21,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 648. [2020-09-21 10:19:21,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-09-21 10:19:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1012 transitions. [2020-09-21 10:19:21,938 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1012 transitions. Word has length 749 [2020-09-21 10:19:21,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:19:21,939 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 1012 transitions. [2020-09-21 10:19:21,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 10:19:21,939 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1012 transitions. [2020-09-21 10:19:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1962 [2020-09-21 10:19:21,974 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:19:21,975 INFO L422 BasicCegarLoop]: trace histogram [145, 145, 142, 142, 117, 115, 72, 72, 72, 72, 72, 72, 72, 71, 71, 71, 71, 71, 71, 71, 46, 43, 28, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:19:21,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-21 10:19:21,976 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:19:21,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:19:21,976 INFO L82 PathProgramCache]: Analyzing trace with hash -88736994, now seen corresponding path program 14 times [2020-09-21 10:19:21,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:19:21,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654620539] [2020-09-21 10:19:21,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:19:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:23,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:19:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:23,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:19:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:24,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:19:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:25,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-21 10:19:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:26,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-09-21 10:19:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:27,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:19:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:19:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:28,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459