/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 14:55:27,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 14:55:27,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 14:55:27,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 14:55:27,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 14:55:27,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 14:55:27,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 14:55:27,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 14:55:27,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 14:55:27,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 14:55:27,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 14:55:27,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 14:55:27,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 14:55:27,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 14:55:27,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 14:55:27,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 14:55:27,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 14:55:27,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 14:55:27,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 14:55:27,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 14:55:27,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 14:55:27,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 14:55:27,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 14:55:27,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 14:55:27,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 14:55:27,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 14:55:27,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 14:55:27,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 14:55:27,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 14:55:27,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-24 14:55:27,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 14:55:27,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 14:55:27,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 14:55:27,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 14:55:27,504 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 14:55:27,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 14:55:27,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 14:55:27,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 14:55:27,506 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 14:55:27,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 14:55:27,507 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 14:55:27,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 14:55:27,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 14:55:27,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 14:55:27,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 14:55:27,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 14:55:27,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 14:55:27,508 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 14:55:27,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 14:55:27,508 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 14:55:27,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 14:55:27,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 14:55:27,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 14:55:27,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 14:55:27,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 14:55:27,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:55:27,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 14:55:27,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 14:55:27,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 14:55:27,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 14:55:27,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 14:55:27,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 14:55:27,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 14:55:27,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-24 14:55:27,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 14:55:27,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 14:55:27,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 14:55:28,001 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 14:55:28,002 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 14:55:28,003 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-09-24 14:55:28,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a88c3e713/22adcdecb7964d33bec2b5850168ac60/FLAG008e763bf [2020-09-24 14:55:28,597 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 14:55:28,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-09-24 14:55:28,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a88c3e713/22adcdecb7964d33bec2b5850168ac60/FLAG008e763bf [2020-09-24 14:55:28,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a88c3e713/22adcdecb7964d33bec2b5850168ac60 [2020-09-24 14:55:29,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 14:55:29,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 14:55:29,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 14:55:29,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 14:55:29,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 14:55:29,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:55:28" (1/1) ... [2020-09-24 14:55:29,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2baf6fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29, skipping insertion in model container [2020-09-24 14:55:29,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:55:28" (1/1) ... [2020-09-24 14:55:29,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 14:55:29,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 14:55:29,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:55:29,320 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 14:55:29,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:55:29,353 INFO L208 MainTranslator]: Completed translation [2020-09-24 14:55:29,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29 WrapperNode [2020-09-24 14:55:29,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 14:55:29,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 14:55:29,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 14:55:29,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 14:55:29,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29" (1/1) ... [2020-09-24 14:55:29,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29" (1/1) ... [2020-09-24 14:55:29,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29" (1/1) ... [2020-09-24 14:55:29,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29" (1/1) ... [2020-09-24 14:55:29,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29" (1/1) ... [2020-09-24 14:55:29,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29" (1/1) ... [2020-09-24 14:55:29,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29" (1/1) ... [2020-09-24 14:55:29,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 14:55:29,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 14:55:29,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 14:55:29,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 14:55:29,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:55:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 14:55:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 14:55:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-09-24 14:55:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-09-24 14:55:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 14:55:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 14:55:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 14:55:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-09-24 14:55:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-09-24 14:55:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 14:55:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 14:55:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 14:55:29,777 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 14:55:29,777 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 14:55:29,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:55:29 BoogieIcfgContainer [2020-09-24 14:55:29,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 14:55:29,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 14:55:29,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 14:55:29,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 14:55:29,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 02:55:28" (1/3) ... [2020-09-24 14:55:29,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a1f42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:55:29, skipping insertion in model container [2020-09-24 14:55:29,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:55:29" (2/3) ... [2020-09-24 14:55:29,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a1f42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:55:29, skipping insertion in model container [2020-09-24 14:55:29,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:55:29" (3/3) ... [2020-09-24 14:55:29,793 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-09-24 14:55:29,805 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 14:55:29,829 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 14:55:29,885 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 14:55:29,945 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 14:55:29,946 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 14:55:29,946 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 14:55:29,946 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 14:55:29,946 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 14:55:29,948 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 14:55:29,948 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 14:55:29,948 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 14:55:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-09-24 14:55:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-24 14:55:29,976 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:29,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:29,978 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:29,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:29,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-09-24 14:55:29,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:29,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193613314] [2020-09-24 14:55:29,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:55:30,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193613314] [2020-09-24 14:55:30,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:55:30,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 14:55:30,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506207048] [2020-09-24 14:55:30,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 14:55:30,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:30,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 14:55:30,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 14:55:30,285 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-09-24 14:55:30,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:30,406 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-09-24 14:55:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 14:55:30,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-24 14:55:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:30,423 INFO L225 Difference]: With dead ends: 58 [2020-09-24 14:55:30,423 INFO L226 Difference]: Without dead ends: 42 [2020-09-24 14:55:30,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 14:55:30,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-24 14:55:30,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-24 14:55:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 14:55:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-24 14:55:30,482 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-09-24 14:55:30,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:30,482 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-24 14:55:30,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 14:55:30,483 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-24 14:55:30,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-24 14:55:30,485 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:30,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:30,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 14:55:30,486 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:30,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:30,487 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-09-24 14:55:30,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:30,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225379675] [2020-09-24 14:55:30,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:55:30,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225379675] [2020-09-24 14:55:30,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:55:30,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 14:55:30,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009376864] [2020-09-24 14:55:30,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 14:55:30,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:30,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 14:55:30,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 14:55:30,561 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-09-24 14:55:30,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:30,625 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-09-24 14:55:30,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 14:55:30,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-24 14:55:30,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:30,628 INFO L225 Difference]: With dead ends: 50 [2020-09-24 14:55:30,628 INFO L226 Difference]: Without dead ends: 44 [2020-09-24 14:55:30,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 14:55:30,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-09-24 14:55:30,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-09-24 14:55:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 14:55:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-24 14:55:30,641 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-09-24 14:55:30,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:30,641 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-24 14:55:30,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 14:55:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-24 14:55:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 14:55:30,644 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:30,644 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:30,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 14:55:30,645 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:30,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:30,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-09-24 14:55:30,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:30,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598943773] [2020-09-24 14:55:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 14:55:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 14:55:30,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598943773] [2020-09-24 14:55:30,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:30,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 14:55:30,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283587176] [2020-09-24 14:55:30,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 14:55:30,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:30,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 14:55:30,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 14:55:30,819 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-09-24 14:55:30,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:30,908 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-09-24 14:55:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 14:55:30,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-09-24 14:55:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:30,911 INFO L225 Difference]: With dead ends: 82 [2020-09-24 14:55:30,911 INFO L226 Difference]: Without dead ends: 46 [2020-09-24 14:55:30,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:30,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-09-24 14:55:30,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-09-24 14:55:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-09-24 14:55:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-09-24 14:55:30,924 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-09-24 14:55:30,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:30,924 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-09-24 14:55:30,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 14:55:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-09-24 14:55:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-24 14:55:30,927 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:30,927 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:30,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 14:55:30,928 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:30,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:30,929 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-09-24 14:55:30,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:30,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732097633] [2020-09-24 14:55:30,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:30,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 14:55:31,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732097633] [2020-09-24 14:55:31,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:31,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 14:55:31,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955132836] [2020-09-24 14:55:31,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 14:55:31,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:31,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 14:55:31,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 14:55:31,149 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-09-24 14:55:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:31,338 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-09-24 14:55:31,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 14:55:31,339 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-09-24 14:55:31,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:31,342 INFO L225 Difference]: With dead ends: 74 [2020-09-24 14:55:31,342 INFO L226 Difference]: Without dead ends: 68 [2020-09-24 14:55:31,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 14:55:31,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-24 14:55:31,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-09-24 14:55:31,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-24 14:55:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2020-09-24 14:55:31,356 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 34 [2020-09-24 14:55:31,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:31,357 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2020-09-24 14:55:31,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 14:55:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-09-24 14:55:31,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-24 14:55:31,359 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:31,360 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:31,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 14:55:31,360 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:31,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:31,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-09-24 14:55:31,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:31,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89237185] [2020-09-24 14:55:31,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 14:55:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 14:55:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,516 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 14:55:31,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89237185] [2020-09-24 14:55:31,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:31,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-24 14:55:31,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753792623] [2020-09-24 14:55:31,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 14:55:31,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:31,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 14:55:31,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 14:55:31,519 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand 6 states. [2020-09-24 14:55:31,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:31,612 INFO L93 Difference]: Finished difference Result 130 states and 178 transitions. [2020-09-24 14:55:31,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 14:55:31,613 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-24 14:55:31,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:31,615 INFO L225 Difference]: With dead ends: 130 [2020-09-24 14:55:31,616 INFO L226 Difference]: Without dead ends: 70 [2020-09-24 14:55:31,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 14:55:31,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-24 14:55:31,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-24 14:55:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 14:55:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2020-09-24 14:55:31,631 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 50 [2020-09-24 14:55:31,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:31,631 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2020-09-24 14:55:31,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 14:55:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2020-09-24 14:55:31,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-24 14:55:31,635 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:31,635 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:31,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 14:55:31,635 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:31,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:31,636 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-09-24 14:55:31,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:31,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868628538] [2020-09-24 14:55:31,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 14:55:31,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1868628538] [2020-09-24 14:55:31,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:31,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 14:55:31,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513998980] [2020-09-24 14:55:31,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 14:55:31,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:31,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 14:55:31,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:31,778 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand 8 states. [2020-09-24 14:55:31,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:31,893 INFO L93 Difference]: Finished difference Result 142 states and 197 transitions. [2020-09-24 14:55:31,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 14:55:31,894 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-24 14:55:31,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:31,896 INFO L225 Difference]: With dead ends: 142 [2020-09-24 14:55:31,896 INFO L226 Difference]: Without dead ends: 78 [2020-09-24 14:55:31,898 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 [2020-09-24 14:55:31,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-24 14:55:31,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2020-09-24 14:55:31,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-24 14:55:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2020-09-24 14:55:31,911 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 51 [2020-09-24 14:55:31,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:31,911 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2020-09-24 14:55:31,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 14:55:31,912 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2020-09-24 14:55:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 14:55:31,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:31,914 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:31,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 14:55:31,915 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:31,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:31,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-09-24 14:55:31,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:31,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774936459] [2020-09-24 14:55:31,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:31,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 14:55:32,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774936459] [2020-09-24 14:55:32,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:32,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 14:55:32,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98613537] [2020-09-24 14:55:32,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 14:55:32,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:32,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 14:55:32,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:32,050 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 8 states. [2020-09-24 14:55:32,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:32,250 INFO L93 Difference]: Finished difference Result 118 states and 158 transitions. [2020-09-24 14:55:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 14:55:32,250 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-09-24 14:55:32,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:32,253 INFO L225 Difference]: With dead ends: 118 [2020-09-24 14:55:32,253 INFO L226 Difference]: Without dead ends: 112 [2020-09-24 14:55:32,254 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 [2020-09-24 14:55:32,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-09-24 14:55:32,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2020-09-24 14:55:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-09-24 14:55:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions. [2020-09-24 14:55:32,278 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 52 [2020-09-24 14:55:32,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:32,282 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions. [2020-09-24 14:55:32,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 14:55:32,283 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2020-09-24 14:55:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 14:55:32,287 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:32,287 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:32,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 14:55:32,288 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:32,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:32,288 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-09-24 14:55:32,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:32,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787660682] [2020-09-24 14:55:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 14:55:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 14:55:32,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787660682] [2020-09-24 14:55:32,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:32,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 14:55:32,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464252453] [2020-09-24 14:55:32,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 14:55:32,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:32,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 14:55:32,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 14:55:32,455 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand 8 states. [2020-09-24 14:55:32,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:32,623 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-09-24 14:55:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 14:55:32,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-09-24 14:55:32,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:32,629 INFO L225 Difference]: With dead ends: 227 [2020-09-24 14:55:32,630 INFO L226 Difference]: Without dead ends: 127 [2020-09-24 14:55:32,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:32,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-09-24 14:55:32,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-09-24 14:55:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-09-24 14:55:32,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2020-09-24 14:55:32,674 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 69 [2020-09-24 14:55:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:32,675 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2020-09-24 14:55:32,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 14:55:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2020-09-24 14:55:32,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-24 14:55:32,679 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:32,680 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:32,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 14:55:32,680 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:32,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:32,681 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-09-24 14:55:32,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:32,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996923549] [2020-09-24 14:55:32,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 14:55:32,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996923549] [2020-09-24 14:55:32,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:32,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 14:55:32,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137699693] [2020-09-24 14:55:32,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:55:32,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:32,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:55:32,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:32,941 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand 10 states. [2020-09-24 14:55:33,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:33,242 INFO L93 Difference]: Finished difference Result 257 states and 400 transitions. [2020-09-24 14:55:33,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 14:55:33,243 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-09-24 14:55:33,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:33,246 INFO L225 Difference]: With dead ends: 257 [2020-09-24 14:55:33,246 INFO L226 Difference]: Without dead ends: 151 [2020-09-24 14:55:33,248 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 [2020-09-24 14:55:33,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-24 14:55:33,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 133. [2020-09-24 14:55:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-09-24 14:55:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 191 transitions. [2020-09-24 14:55:33,265 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 191 transitions. Word has length 70 [2020-09-24 14:55:33,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:33,266 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 191 transitions. [2020-09-24 14:55:33,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:55:33,267 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2020-09-24 14:55:33,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-24 14:55:33,270 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:33,270 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:33,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 14:55:33,271 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:33,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:33,271 INFO L82 PathProgramCache]: Analyzing trace with hash 307755032, now seen corresponding path program 2 times [2020-09-24 14:55:33,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:33,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609354843] [2020-09-24 14:55:33,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 36 proven. 59 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-09-24 14:55:33,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609354843] [2020-09-24 14:55:33,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:33,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 14:55:33,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188976634] [2020-09-24 14:55:33,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 14:55:33,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:33,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 14:55:33,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-24 14:55:33,570 INFO L87 Difference]: Start difference. First operand 133 states and 191 transitions. Second operand 12 states. [2020-09-24 14:55:33,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:33,974 INFO L93 Difference]: Finished difference Result 265 states and 420 transitions. [2020-09-24 14:55:33,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 14:55:33,974 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-09-24 14:55:33,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:33,978 INFO L225 Difference]: With dead ends: 265 [2020-09-24 14:55:33,978 INFO L226 Difference]: Without dead ends: 116 [2020-09-24 14:55:33,980 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 [2020-09-24 14:55:33,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-09-24 14:55:33,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 95. [2020-09-24 14:55:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-24 14:55:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2020-09-24 14:55:33,990 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 105 [2020-09-24 14:55:33,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:33,991 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2020-09-24 14:55:33,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 14:55:33,991 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2020-09-24 14:55:33,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-24 14:55:33,992 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:33,993 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:33,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 14:55:33,993 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:33,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:33,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1352793328, now seen corresponding path program 2 times [2020-09-24 14:55:33,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:33,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134392735] [2020-09-24 14:55:33,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-24 14:55:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 46 proven. 45 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-09-24 14:55:34,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134392735] [2020-09-24 14:55:34,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:34,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 14:55:34,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524898965] [2020-09-24 14:55:34,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:55:34,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:34,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:55:34,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:34,222 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand 10 states. [2020-09-24 14:55:34,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:34,433 INFO L93 Difference]: Finished difference Result 193 states and 255 transitions. [2020-09-24 14:55:34,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 14:55:34,434 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-09-24 14:55:34,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:34,436 INFO L225 Difference]: With dead ends: 193 [2020-09-24 14:55:34,436 INFO L226 Difference]: Without dead ends: 105 [2020-09-24 14:55:34,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:55:34,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-09-24 14:55:34,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-09-24 14:55:34,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-24 14:55:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2020-09-24 14:55:34,445 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 105 [2020-09-24 14:55:34,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:34,445 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2020-09-24 14:55:34,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:55:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-09-24 14:55:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-24 14:55:34,447 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:34,447 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:34,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 14:55:34,448 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:34,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:34,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1260071360, now seen corresponding path program 1 times [2020-09-24 14:55:34,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:34,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641009996] [2020-09-24 14:55:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 26 proven. 126 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-09-24 14:55:34,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641009996] [2020-09-24 14:55:34,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:34,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 14:55:34,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301614206] [2020-09-24 14:55:34,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:55:34,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:34,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:55:34,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:55:34,747 INFO L87 Difference]: Start difference. First operand 105 states and 127 transitions. Second operand 10 states. [2020-09-24 14:55:35,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:35,035 INFO L93 Difference]: Finished difference Result 214 states and 288 transitions. [2020-09-24 14:55:35,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 14:55:35,035 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2020-09-24 14:55:35,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:35,039 INFO L225 Difference]: With dead ends: 214 [2020-09-24 14:55:35,039 INFO L226 Difference]: Without dead ends: 208 [2020-09-24 14:55:35,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-09-24 14:55:35,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-24 14:55:35,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2020-09-24 14:55:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-24 14:55:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 256 transitions. [2020-09-24 14:55:35,064 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 256 transitions. Word has length 140 [2020-09-24 14:55:35,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:35,064 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 256 transitions. [2020-09-24 14:55:35,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:55:35,065 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 256 transitions. [2020-09-24 14:55:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-24 14:55:35,072 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:35,072 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 10, 10, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:35,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 14:55:35,073 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:35,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:35,074 INFO L82 PathProgramCache]: Analyzing trace with hash 239143290, now seen corresponding path program 2 times [2020-09-24 14:55:35,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:35,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009056166] [2020-09-24 14:55:35,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 14:55:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 14:55:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:35,615 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 181 proven. 247 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2020-09-24 14:55:35,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009056166] [2020-09-24 14:55:35,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:35,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 14:55:35,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734888202] [2020-09-24 14:55:35,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 14:55:35,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:35,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 14:55:35,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-24 14:55:35,618 INFO L87 Difference]: Start difference. First operand 189 states and 256 transitions. Second operand 15 states. [2020-09-24 14:55:36,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:36,261 INFO L93 Difference]: Finished difference Result 454 states and 698 transitions. [2020-09-24 14:55:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 14:55:36,262 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 211 [2020-09-24 14:55:36,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:36,267 INFO L225 Difference]: With dead ends: 454 [2020-09-24 14:55:36,267 INFO L226 Difference]: Without dead ends: 273 [2020-09-24 14:55:36,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=661, Unknown=0, NotChecked=0, Total=812 [2020-09-24 14:55:36,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-24 14:55:36,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 249. [2020-09-24 14:55:36,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 14:55:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 352 transitions. [2020-09-24 14:55:36,291 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 352 transitions. Word has length 211 [2020-09-24 14:55:36,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:36,292 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 352 transitions. [2020-09-24 14:55:36,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 14:55:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 352 transitions. [2020-09-24 14:55:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-24 14:55:36,297 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:36,297 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:36,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 14:55:36,298 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:36,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:36,298 INFO L82 PathProgramCache]: Analyzing trace with hash 532943989, now seen corresponding path program 3 times [2020-09-24 14:55:36,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:36,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902128236] [2020-09-24 14:55:36,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 14:55:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 137 proven. 101 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-09-24 14:55:36,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902128236] [2020-09-24 14:55:36,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:36,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 14:55:36,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888008003] [2020-09-24 14:55:36,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 14:55:36,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:36,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 14:55:36,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-24 14:55:36,712 INFO L87 Difference]: Start difference. First operand 249 states and 352 transitions. Second operand 11 states. [2020-09-24 14:55:36,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:36,998 INFO L93 Difference]: Finished difference Result 522 states and 789 transitions. [2020-09-24 14:55:36,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 14:55:36,999 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 175 [2020-09-24 14:55:36,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:37,003 INFO L225 Difference]: With dead ends: 522 [2020-09-24 14:55:37,003 INFO L226 Difference]: Without dead ends: 286 [2020-09-24 14:55:37,007 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 [2020-09-24 14:55:37,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-24 14:55:37,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2020-09-24 14:55:37,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-09-24 14:55:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 408 transitions. [2020-09-24 14:55:37,033 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 408 transitions. Word has length 175 [2020-09-24 14:55:37,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:37,034 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 408 transitions. [2020-09-24 14:55:37,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 14:55:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 408 transitions. [2020-09-24 14:55:37,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-24 14:55:37,039 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:37,040 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:37,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 14:55:37,040 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:37,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:37,041 INFO L82 PathProgramCache]: Analyzing trace with hash -2113087688, now seen corresponding path program 4 times [2020-09-24 14:55:37,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:37,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090891848] [2020-09-24 14:55:37,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:37,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 261 proven. 446 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-09-24 14:55:38,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090891848] [2020-09-24 14:55:38,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:38,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 14:55:38,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507803653] [2020-09-24 14:55:38,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 14:55:38,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:38,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 14:55:38,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-24 14:55:38,023 INFO L87 Difference]: Start difference. First operand 283 states and 408 transitions. Second operand 16 states. [2020-09-24 14:55:38,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:38,877 INFO L93 Difference]: Finished difference Result 550 states and 860 transitions. [2020-09-24 14:55:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-24 14:55:38,878 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 281 [2020-09-24 14:55:38,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:38,882 INFO L225 Difference]: With dead ends: 550 [2020-09-24 14:55:38,882 INFO L226 Difference]: Without dead ends: 227 [2020-09-24 14:55:38,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=1004, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 14:55:38,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-09-24 14:55:38,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 181. [2020-09-24 14:55:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-24 14:55:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 240 transitions. [2020-09-24 14:55:38,902 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 240 transitions. Word has length 281 [2020-09-24 14:55:38,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:38,902 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 240 transitions. [2020-09-24 14:55:38,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 14:55:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2020-09-24 14:55:38,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-09-24 14:55:38,912 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:38,913 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, 10, 10, 10, 10, 10, 10, 7, 7, 6, 6, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:38,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 14:55:38,913 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:38,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:38,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1898384370, now seen corresponding path program 5 times [2020-09-24 14:55:38,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:38,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [455360980] [2020-09-24 14:55:38,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 14:55:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2535 backedges. 332 proven. 608 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2020-09-24 14:55:39,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [455360980] [2020-09-24 14:55:39,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:39,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 14:55:39,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066493710] [2020-09-24 14:55:39,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 14:55:39,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:39,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 14:55:39,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:55:39,992 INFO L87 Difference]: Start difference. First operand 181 states and 240 transitions. Second operand 14 states. [2020-09-24 14:55:40,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:40,550 INFO L93 Difference]: Finished difference Result 335 states and 458 transitions. [2020-09-24 14:55:40,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 14:55:40,550 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 369 [2020-09-24 14:55:40,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:40,553 INFO L225 Difference]: With dead ends: 335 [2020-09-24 14:55:40,553 INFO L226 Difference]: Without dead ends: 161 [2020-09-24 14:55:40,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-09-24 14:55:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-24 14:55:40,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2020-09-24 14:55:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-24 14:55:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 191 transitions. [2020-09-24 14:55:40,565 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 191 transitions. Word has length 369 [2020-09-24 14:55:40,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:40,565 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 191 transitions. [2020-09-24 14:55:40,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 14:55:40,566 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 191 transitions. [2020-09-24 14:55:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-09-24 14:55:40,571 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:40,572 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, 10, 10, 10, 10, 10, 10, 7, 7, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:40,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 14:55:40,572 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:40,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:40,573 INFO L82 PathProgramCache]: Analyzing trace with hash 549243331, now seen corresponding path program 6 times [2020-09-24 14:55:40,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:40,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301190199] [2020-09-24 14:55:40,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2534 backedges. 130 proven. 672 refuted. 0 times theorem prover too weak. 1732 trivial. 0 not checked. [2020-09-24 14:55:41,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301190199] [2020-09-24 14:55:41,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:41,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 14:55:41,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219221739] [2020-09-24 14:55:41,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 14:55:41,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:41,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 14:55:41,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-09-24 14:55:41,585 INFO L87 Difference]: Start difference. First operand 153 states and 191 transitions. Second operand 12 states. [2020-09-24 14:55:41,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:41,894 INFO L93 Difference]: Finished difference Result 376 states and 522 transitions. [2020-09-24 14:55:41,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 14:55:41,894 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 369 [2020-09-24 14:55:41,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:41,899 INFO L225 Difference]: With dead ends: 376 [2020-09-24 14:55:41,900 INFO L226 Difference]: Without dead ends: 370 [2020-09-24 14:55:41,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-09-24 14:55:41,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-09-24 14:55:41,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 333. [2020-09-24 14:55:41,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-09-24 14:55:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 461 transitions. [2020-09-24 14:55:41,920 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 461 transitions. Word has length 369 [2020-09-24 14:55:41,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:41,920 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 461 transitions. [2020-09-24 14:55:41,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 14:55:41,921 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 461 transitions. [2020-09-24 14:55:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2020-09-24 14:55:41,934 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:41,934 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 25, 24, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 9, 9, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:41,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 14:55:41,935 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:41,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:41,935 INFO L82 PathProgramCache]: Analyzing trace with hash -444779053, now seen corresponding path program 7 times [2020-09-24 14:55:41,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:41,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670310991] [2020-09-24 14:55:41,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:42,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-24 14:55:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5757 backedges. 560 proven. 1270 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2020-09-24 14:55:43,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670310991] [2020-09-24 14:55:43,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:43,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 14:55:43,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790931139] [2020-09-24 14:55:43,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 14:55:43,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:43,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 14:55:43,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-24 14:55:43,648 INFO L87 Difference]: Start difference. First operand 333 states and 461 transitions. Second operand 16 states. [2020-09-24 14:55:44,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:44,382 INFO L93 Difference]: Finished difference Result 751 states and 1127 transitions. [2020-09-24 14:55:44,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 14:55:44,383 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 545 [2020-09-24 14:55:44,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:44,392 INFO L225 Difference]: With dead ends: 751 [2020-09-24 14:55:44,393 INFO L226 Difference]: Without dead ends: 432 [2020-09-24 14:55:44,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-09-24 14:55:44,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-09-24 14:55:44,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 401. [2020-09-24 14:55:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-09-24 14:55:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 552 transitions. [2020-09-24 14:55:44,433 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 552 transitions. Word has length 545 [2020-09-24 14:55:44,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:44,434 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 552 transitions. [2020-09-24 14:55:44,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 14:55:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 552 transitions. [2020-09-24 14:55:44,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-09-24 14:55:44,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:44,441 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 32, 32, 27, 27, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 11, 11, 10, 10, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:44,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 14:55:44,442 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:44,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:44,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1058675901, now seen corresponding path program 8 times [2020-09-24 14:55:44,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:44,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956222783] [2020-09-24 14:55:44,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:44,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-09-24 14:55:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:45,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:46,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:46,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:46,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:46,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:46,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6996 backedges. 747 proven. 1629 refuted. 0 times theorem prover too weak. 4620 trivial. 0 not checked. [2020-09-24 14:55:46,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956222783] [2020-09-24 14:55:46,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:46,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 14:55:46,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914371643] [2020-09-24 14:55:46,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 14:55:46,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:46,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 14:55:46,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-24 14:55:46,363 INFO L87 Difference]: Start difference. First operand 401 states and 552 transitions. Second operand 18 states. [2020-09-24 14:55:47,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:47,492 INFO L93 Difference]: Finished difference Result 941 states and 1446 transitions. [2020-09-24 14:55:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-24 14:55:47,492 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 598 [2020-09-24 14:55:47,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:47,500 INFO L225 Difference]: With dead ends: 941 [2020-09-24 14:55:47,500 INFO L226 Difference]: Without dead ends: 544 [2020-09-24 14:55:47,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 14:55:47,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-09-24 14:55:47,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 457. [2020-09-24 14:55:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-09-24 14:55:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 619 transitions. [2020-09-24 14:55:47,553 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 619 transitions. Word has length 598 [2020-09-24 14:55:47,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:47,554 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 619 transitions. [2020-09-24 14:55:47,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 14:55:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 619 transitions. [2020-09-24 14:55:47,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2020-09-24 14:55:47,560 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:47,560 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 35, 35, 30, 29, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 13, 13, 10, 10, 8, 8, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:47,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 14:55:47,561 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:47,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:47,561 INFO L82 PathProgramCache]: Analyzing trace with hash -2032720771, now seen corresponding path program 9 times [2020-09-24 14:55:47,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:47,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607168231] [2020-09-24 14:55:47,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:47,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:55:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:48,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8348 backedges. 1712 proven. 1706 refuted. 0 times theorem prover too weak. 4930 trivial. 0 not checked. [2020-09-24 14:55:49,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607168231] [2020-09-24 14:55:49,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:49,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 14:55:49,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199770214] [2020-09-24 14:55:49,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 14:55:49,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:49,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 14:55:49,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2020-09-24 14:55:49,746 INFO L87 Difference]: Start difference. First operand 457 states and 619 transitions. Second operand 24 states. [2020-09-24 14:55:51,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:51,394 INFO L93 Difference]: Finished difference Result 806 states and 1229 transitions. [2020-09-24 14:55:51,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-09-24 14:55:51,395 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 651 [2020-09-24 14:55:51,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:51,402 INFO L225 Difference]: With dead ends: 806 [2020-09-24 14:55:51,402 INFO L226 Difference]: Without dead ends: 366 [2020-09-24 14:55:51,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1045 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=515, Invalid=3145, Unknown=0, NotChecked=0, Total=3660 [2020-09-24 14:55:51,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-09-24 14:55:51,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 305. [2020-09-24 14:55:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-09-24 14:55:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 416 transitions. [2020-09-24 14:55:51,439 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 416 transitions. Word has length 651 [2020-09-24 14:55:51,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:51,442 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 416 transitions. [2020-09-24 14:55:51,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 14:55:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 416 transitions. [2020-09-24 14:55:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-09-24 14:55:51,469 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:51,470 INFO L422 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 55, 54, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 22, 22, 20, 20, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:51,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 14:55:51,471 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:51,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:51,472 INFO L82 PathProgramCache]: Analyzing trace with hash 678881567, now seen corresponding path program 10 times [2020-09-24 14:55:51,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:51,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860136264] [2020-09-24 14:55:51,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:52,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:52,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:55:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:53,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:55:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:54,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2020-09-24 14:55:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:55,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 29072 backedges. 2639 proven. 5105 refuted. 0 times theorem prover too weak. 21328 trivial. 0 not checked. [2020-09-24 14:55:56,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860136264] [2020-09-24 14:55:56,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:55:56,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-24 14:55:56,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678092106] [2020-09-24 14:55:56,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-24 14:55:56,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:55:56,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-24 14:55:56,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-09-24 14:55:56,757 INFO L87 Difference]: Start difference. First operand 305 states and 416 transitions. Second operand 20 states. [2020-09-24 14:55:58,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:55:58,326 INFO L93 Difference]: Finished difference Result 599 states and 939 transitions. [2020-09-24 14:55:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-09-24 14:55:58,327 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1197 [2020-09-24 14:55:58,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:55:58,333 INFO L225 Difference]: With dead ends: 599 [2020-09-24 14:55:58,333 INFO L226 Difference]: Without dead ends: 304 [2020-09-24 14:55:58,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=379, Invalid=2483, Unknown=0, NotChecked=0, Total=2862 [2020-09-24 14:55:58,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-24 14:55:58,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 267. [2020-09-24 14:55:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-09-24 14:55:58,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 371 transitions. [2020-09-24 14:55:58,356 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 371 transitions. Word has length 1197 [2020-09-24 14:55:58,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:55:58,357 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 371 transitions. [2020-09-24 14:55:58,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-24 14:55:58,357 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 371 transitions. [2020-09-24 14:55:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-09-24 14:55:58,370 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:55:58,371 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, 27, 27, 27, 27, 27, 27, 17, 17, 17, 17, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:55:58,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 14:55:58,371 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:55:58,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:55:58,372 INFO L82 PathProgramCache]: Analyzing trace with hash -691827875, now seen corresponding path program 11 times [2020-09-24 14:55:58,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:55:58,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302384258] [2020-09-24 14:55:58,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:55:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:55:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:55:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:55:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:55:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:55:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:55:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:55:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:55:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:55:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:55:59,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-24 14:56:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:00,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:01,722 INFO L134 CoverageAnalysis]: Checked inductivity of 18842 backedges. 472 proven. 2641 refuted. 0 times theorem prover too weak. 15729 trivial. 0 not checked. [2020-09-24 14:56:01,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302384258] [2020-09-24 14:56:01,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:01,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 14:56:01,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020131972] [2020-09-24 14:56:01,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 14:56:01,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:01,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 14:56:01,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-24 14:56:01,727 INFO L87 Difference]: Start difference. First operand 267 states and 371 transitions. Second operand 14 states. [2020-09-24 14:56:02,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:02,199 INFO L93 Difference]: Finished difference Result 789 states and 1183 transitions. [2020-09-24 14:56:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 14:56:02,200 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 968 [2020-09-24 14:56:02,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:02,211 INFO L225 Difference]: With dead ends: 789 [2020-09-24 14:56:02,212 INFO L226 Difference]: Without dead ends: 783 [2020-09-24 14:56:02,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-09-24 14:56:02,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-09-24 14:56:02,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 734. [2020-09-24 14:56:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-09-24 14:56:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1101 transitions. [2020-09-24 14:56:02,255 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1101 transitions. Word has length 968 [2020-09-24 14:56:02,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:02,255 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1101 transitions. [2020-09-24 14:56:02,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 14:56:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1101 transitions. [2020-09-24 14:56:02,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1674 [2020-09-24 14:56:02,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:02,283 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 94, 94, 77, 76, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 30, 30, 29, 29, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:02,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 14:56:02,283 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:02,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:02,284 INFO L82 PathProgramCache]: Analyzing trace with hash 372244763, now seen corresponding path program 12 times [2020-09-24 14:56:02,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:02,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571983396] [2020-09-24 14:56:02,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:03,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-24 14:56:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:04,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-24 14:56:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:05,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2020-09-24 14:56:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:06,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 57401 backedges. 1630 proven. 6484 refuted. 0 times theorem prover too weak. 49287 trivial. 0 not checked. [2020-09-24 14:56:08,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571983396] [2020-09-24 14:56:08,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:08,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 14:56:08,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289176062] [2020-09-24 14:56:08,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 14:56:08,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:08,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 14:56:08,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-24 14:56:08,232 INFO L87 Difference]: Start difference. First operand 734 states and 1101 transitions. Second operand 18 states. [2020-09-24 14:56:09,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:09,274 INFO L93 Difference]: Finished difference Result 1479 states and 2292 transitions. [2020-09-24 14:56:09,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 14:56:09,275 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1673 [2020-09-24 14:56:09,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:09,285 INFO L225 Difference]: With dead ends: 1479 [2020-09-24 14:56:09,286 INFO L226 Difference]: Without dead ends: 763 [2020-09-24 14:56:09,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-09-24 14:56:09,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2020-09-24 14:56:09,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 649. [2020-09-24 14:56:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-09-24 14:56:09,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 901 transitions. [2020-09-24 14:56:09,335 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 901 transitions. Word has length 1673 [2020-09-24 14:56:09,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:09,336 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 901 transitions. [2020-09-24 14:56:09,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 14:56:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 901 transitions. [2020-09-24 14:56:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2020-09-24 14:56:09,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:09,361 INFO L422 BasicCegarLoop]: trace histogram [98, 98, 95, 95, 78, 78, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 31, 31, 29, 29, 20, 20, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:09,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-24 14:56:09,361 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:09,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:09,362 INFO L82 PathProgramCache]: Analyzing trace with hash -739879393, now seen corresponding path program 13 times [2020-09-24 14:56:09,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:09,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532151108] [2020-09-24 14:56:09,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:10,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:11,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-24 14:56:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:12,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-24 14:56:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:13,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1332 [2020-09-24 14:56:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:14,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:16,349 INFO L134 CoverageAnalysis]: Checked inductivity of 59874 backedges. 3248 proven. 6466 refuted. 0 times theorem prover too weak. 50160 trivial. 0 not checked. [2020-09-24 14:56:16,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532151108] [2020-09-24 14:56:16,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 14:56:16,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 14:56:16,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693476173] [2020-09-24 14:56:16,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 14:56:16,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:56:16,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 14:56:16,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2020-09-24 14:56:16,351 INFO L87 Difference]: Start difference. First operand 649 states and 901 transitions. Second operand 21 states. [2020-09-24 14:56:18,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:56:18,138 INFO L93 Difference]: Finished difference Result 1692 states and 2727 transitions. [2020-09-24 14:56:18,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-09-24 14:56:18,138 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1708 [2020-09-24 14:56:18,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:56:18,155 INFO L225 Difference]: With dead ends: 1692 [2020-09-24 14:56:18,155 INFO L226 Difference]: Without dead ends: 1048 [2020-09-24 14:56:18,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 863 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=416, Invalid=2776, Unknown=0, NotChecked=0, Total=3192 [2020-09-24 14:56:18,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2020-09-24 14:56:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 858. [2020-09-24 14:56:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-09-24 14:56:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1295 transitions. [2020-09-24 14:56:18,248 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1295 transitions. Word has length 1708 [2020-09-24 14:56:18,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:56:18,249 INFO L479 AbstractCegarLoop]: Abstraction has 858 states and 1295 transitions. [2020-09-24 14:56:18,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 14:56:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1295 transitions. [2020-09-24 14:56:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1656 [2020-09-24 14:56:18,289 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:56:18,290 INFO L422 BasicCegarLoop]: trace histogram [94, 94, 93, 93, 76, 75, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 30, 30, 28, 28, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:56:18,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-24 14:56:18,294 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:56:18,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:56:18,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1505914734, now seen corresponding path program 14 times [2020-09-24 14:56:18,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:56:18,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615936983] [2020-09-24 14:56:18,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:56:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:56:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 14:56:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:19,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-24 14:56:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:20,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2020-09-24 14:56:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 14:56:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:21,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-24 14:56:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-24 14:56:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 14:56:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 14:56:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 14:56:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 14:56:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 14:56:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:56:22,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 14:56:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat