/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 06:14:23,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 06:14:23,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 06:14:23,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 06:14:23,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 06:14:23,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 06:14:23,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 06:14:23,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 06:14:23,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 06:14:23,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 06:14:23,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 06:14:23,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 06:14:23,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 06:14:23,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 06:14:23,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 06:14:23,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 06:14:23,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 06:14:23,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 06:14:23,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 06:14:23,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 06:14:23,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 06:14:23,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 06:14:23,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 06:14:23,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 06:14:23,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 06:14:23,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 06:14:23,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 06:14:23,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 06:14:23,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 06:14:23,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 06:14:23,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 06:14:23,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 06:14:23,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 06:14:23,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 06:14:23,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 06:14:23,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 06:14:23,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 06:14:23,996 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 06:14:23,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 06:14:23,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 06:14:23,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 06:14:23,999 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 06:14:23,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 06:14:23,999 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 06:14:23,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 06:14:24,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 06:14:24,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 06:14:24,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 06:14:24,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 06:14:24,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 06:14:24,005 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 06:14:24,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 06:14:24,005 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 06:14:24,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 06:14:24,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 06:14:24,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 06:14:24,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 06:14:24,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 06:14:24,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 06:14:24,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 06:14:24,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 06:14:24,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 06:14:24,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 06:14:24,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 06:14:24,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 06:14:24,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 06:14:24,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-08-22 06:14:24,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 06:14:24,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 06:14:24,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 06:14:24,336 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 06:14:24,336 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 06:14:24,337 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann03.c [2020-08-22 06:14:24,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3ff08a40/492d49980d11446f971d5ff4774c5d3e/FLAG1907353cf [2020-08-22 06:14:24,840 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 06:14:24,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Ackermann03.c [2020-08-22 06:14:24,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3ff08a40/492d49980d11446f971d5ff4774c5d3e/FLAG1907353cf [2020-08-22 06:14:25,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3ff08a40/492d49980d11446f971d5ff4774c5d3e [2020-08-22 06:14:25,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 06:14:25,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 06:14:25,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 06:14:25,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 06:14:25,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 06:14:25,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:14:25" (1/1) ... [2020-08-22 06:14:25,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dfa7d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25, skipping insertion in model container [2020-08-22 06:14:25,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:14:25" (1/1) ... [2020-08-22 06:14:25,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 06:14:25,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 06:14:25,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:14:25,472 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 06:14:25,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:14:25,500 INFO L208 MainTranslator]: Completed translation [2020-08-22 06:14:25,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25 WrapperNode [2020-08-22 06:14:25,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 06:14:25,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 06:14:25,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 06:14:25,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 06:14:25,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25" (1/1) ... [2020-08-22 06:14:25,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25" (1/1) ... [2020-08-22 06:14:25,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25" (1/1) ... [2020-08-22 06:14:25,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25" (1/1) ... [2020-08-22 06:14:25,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25" (1/1) ... [2020-08-22 06:14:25,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25" (1/1) ... [2020-08-22 06:14:25,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25" (1/1) ... [2020-08-22 06:14:25,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 06:14:25,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 06:14:25,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 06:14:25,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 06:14:25,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 06:14:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 06:14:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 06:14:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2020-08-22 06:14:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 06:14:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 06:14:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 06:14:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2020-08-22 06:14:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 06:14:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 06:14:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 06:14:25,924 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 06:14:25,924 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 06:14:25,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:14:25 BoogieIcfgContainer [2020-08-22 06:14:25,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 06:14:25,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 06:14:25,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 06:14:25,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 06:14:25,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:14:25" (1/3) ... [2020-08-22 06:14:25,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d348d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:14:25, skipping insertion in model container [2020-08-22 06:14:25,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:25" (2/3) ... [2020-08-22 06:14:25,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d348d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:14:25, skipping insertion in model container [2020-08-22 06:14:25,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:14:25" (3/3) ... [2020-08-22 06:14:25,938 INFO L109 eAbstractionObserver]: Analyzing ICFG Ackermann03.c [2020-08-22 06:14:25,948 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 06:14:25,956 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 06:14:25,971 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 06:14:26,001 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 06:14:26,001 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 06:14:26,001 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 06:14:26,002 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 06:14:26,002 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 06:14:26,002 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 06:14:26,002 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 06:14:26,002 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 06:14:26,028 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-08-22 06:14:26,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-22 06:14:26,037 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:26,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:26,040 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:26,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:26,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1796234678, now seen corresponding path program 1 times [2020-08-22 06:14:26,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:26,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210197233] [2020-08-22 06:14:26,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 06:14:26,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210197233] [2020-08-22 06:14:26,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:14:26,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 06:14:26,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949910381] [2020-08-22 06:14:26,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 06:14:26,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:26,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 06:14:26,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:14:26,311 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2020-08-22 06:14:26,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:26,450 INFO L93 Difference]: Finished difference Result 55 states and 77 transitions. [2020-08-22 06:14:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 06:14:26,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-08-22 06:14:26,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:26,464 INFO L225 Difference]: With dead ends: 55 [2020-08-22 06:14:26,464 INFO L226 Difference]: Without dead ends: 28 [2020-08-22 06:14:26,469 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 [2020-08-22 06:14:26,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-08-22 06:14:26,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-08-22 06:14:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-08-22 06:14:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2020-08-22 06:14:26,521 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 15 [2020-08-22 06:14:26,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:26,522 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2020-08-22 06:14:26,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 06:14:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2020-08-22 06:14:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-08-22 06:14:26,525 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:26,525 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] [2020-08-22 06:14:26,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 06:14:26,526 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:26,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:26,527 INFO L82 PathProgramCache]: Analyzing trace with hash -895156504, now seen corresponding path program 1 times [2020-08-22 06:14:26,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:26,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145180522] [2020-08-22 06:14:26,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 06:14:26,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1145180522] [2020-08-22 06:14:26,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:26,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 06:14:26,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893027640] [2020-08-22 06:14:26,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:14:26,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:26,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:14:26,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:14:26,670 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand 6 states. [2020-08-22 06:14:26,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:26,826 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2020-08-22 06:14:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:14:26,827 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-08-22 06:14:26,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:26,830 INFO L225 Difference]: With dead ends: 43 [2020-08-22 06:14:26,830 INFO L226 Difference]: Without dead ends: 39 [2020-08-22 06:14:26,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:14:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-08-22 06:14:26,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-08-22 06:14:26,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-08-22 06:14:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 56 transitions. [2020-08-22 06:14:26,845 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 56 transitions. Word has length 22 [2020-08-22 06:14:26,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:26,845 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 56 transitions. [2020-08-22 06:14:26,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:14:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2020-08-22 06:14:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-08-22 06:14:26,848 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:26,848 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:26,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 06:14:26,849 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:26,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:26,849 INFO L82 PathProgramCache]: Analyzing trace with hash 687949058, now seen corresponding path program 2 times [2020-08-22 06:14:26,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:26,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [565347856] [2020-08-22 06:14:26,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 06:14:26,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [565347856] [2020-08-22 06:14:26,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:26,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-08-22 06:14:26,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707671373] [2020-08-22 06:14:26,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 06:14:26,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:26,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 06:14:26,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 06:14:26,976 INFO L87 Difference]: Start difference. First operand 39 states and 56 transitions. Second operand 4 states. [2020-08-22 06:14:27,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:27,039 INFO L93 Difference]: Finished difference Result 74 states and 133 transitions. [2020-08-22 06:14:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 06:14:27,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-08-22 06:14:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:27,043 INFO L225 Difference]: With dead ends: 74 [2020-08-22 06:14:27,044 INFO L226 Difference]: Without dead ends: 43 [2020-08-22 06:14:27,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:14:27,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-08-22 06:14:27,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-08-22 06:14:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-08-22 06:14:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 66 transitions. [2020-08-22 06:14:27,061 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 66 transitions. Word has length 29 [2020-08-22 06:14:27,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:27,062 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 66 transitions. [2020-08-22 06:14:27,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 06:14:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2020-08-22 06:14:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-22 06:14:27,065 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:27,065 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:27,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 06:14:27,066 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:27,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:27,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1711672813, now seen corresponding path program 1 times [2020-08-22 06:14:27,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:27,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454195367] [2020-08-22 06:14:27,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-08-22 06:14:27,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454195367] [2020-08-22 06:14:27,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:27,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-22 06:14:27,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102353251] [2020-08-22 06:14:27,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 06:14:27,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:27,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 06:14:27,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:14:27,221 INFO L87 Difference]: Start difference. First operand 43 states and 66 transitions. Second operand 5 states. [2020-08-22 06:14:27,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:27,284 INFO L93 Difference]: Finished difference Result 47 states and 69 transitions. [2020-08-22 06:14:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 06:14:27,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-08-22 06:14:27,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:27,287 INFO L225 Difference]: With dead ends: 47 [2020-08-22 06:14:27,287 INFO L226 Difference]: Without dead ends: 43 [2020-08-22 06:14:27,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:14:27,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-08-22 06:14:27,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-08-22 06:14:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-08-22 06:14:27,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 65 transitions. [2020-08-22 06:14:27,298 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 65 transitions. Word has length 42 [2020-08-22 06:14:27,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:27,299 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 65 transitions. [2020-08-22 06:14:27,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 06:14:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2020-08-22 06:14:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-22 06:14:27,302 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:27,303 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:27,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 06:14:27,303 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:27,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:27,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1732137516, now seen corresponding path program 2 times [2020-08-22 06:14:27,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:27,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508575270] [2020-08-22 06:14:27,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:27,714 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 54 proven. 29 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-08-22 06:14:27,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508575270] [2020-08-22 06:14:27,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:27,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 06:14:27,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964322660] [2020-08-22 06:14:27,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 06:14:27,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:27,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 06:14:27,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:14:27,720 INFO L87 Difference]: Start difference. First operand 43 states and 65 transitions. Second operand 14 states. [2020-08-22 06:14:28,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:28,561 INFO L93 Difference]: Finished difference Result 166 states and 476 transitions. [2020-08-22 06:14:28,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-22 06:14:28,562 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 62 [2020-08-22 06:14:28,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:28,569 INFO L225 Difference]: With dead ends: 166 [2020-08-22 06:14:28,570 INFO L226 Difference]: Without dead ends: 131 [2020-08-22 06:14:28,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=270, Invalid=990, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 06:14:28,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-22 06:14:28,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 69. [2020-08-22 06:14:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-08-22 06:14:28,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 133 transitions. [2020-08-22 06:14:28,606 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 133 transitions. Word has length 62 [2020-08-22 06:14:28,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:28,607 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 133 transitions. [2020-08-22 06:14:28,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 06:14:28,607 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 133 transitions. [2020-08-22 06:14:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-08-22 06:14:28,613 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:28,613 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:28,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 06:14:28,613 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:28,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:28,614 INFO L82 PathProgramCache]: Analyzing trace with hash -599460358, now seen corresponding path program 3 times [2020-08-22 06:14:28,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:28,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001052301] [2020-08-22 06:14:28,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:14:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 36 proven. 62 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2020-08-22 06:14:28,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001052301] [2020-08-22 06:14:28,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:28,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 06:14:28,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852564760] [2020-08-22 06:14:28,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:14:28,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:28,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:14:28,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:14:28,827 INFO L87 Difference]: Start difference. First operand 69 states and 133 transitions. Second operand 6 states. [2020-08-22 06:14:28,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:28,922 INFO L93 Difference]: Finished difference Result 113 states and 272 transitions. [2020-08-22 06:14:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:14:28,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-08-22 06:14:28,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:28,927 INFO L225 Difference]: With dead ends: 113 [2020-08-22 06:14:28,927 INFO L226 Difference]: Without dead ends: 109 [2020-08-22 06:14:28,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:14:28,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-22 06:14:28,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-08-22 06:14:28,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-08-22 06:14:28,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 267 transitions. [2020-08-22 06:14:28,956 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 267 transitions. Word has length 95 [2020-08-22 06:14:28,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:28,957 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 267 transitions. [2020-08-22 06:14:28,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:14:28,957 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 267 transitions. [2020-08-22 06:14:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-08-22 06:14:28,964 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:28,964 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 18, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:28,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 06:14:28,965 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:28,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:28,965 INFO L82 PathProgramCache]: Analyzing trace with hash -319737770, now seen corresponding path program 4 times [2020-08-22 06:14:28,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:28,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39807928] [2020-08-22 06:14:28,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:14:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-08-22 06:14:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:14:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2013 backedges. 357 proven. 631 refuted. 0 times theorem prover too weak. 1025 trivial. 0 not checked. [2020-08-22 06:14:29,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39807928] [2020-08-22 06:14:29,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:29,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 06:14:29,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342395972] [2020-08-22 06:14:29,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 06:14:29,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:29,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 06:14:29,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:14:29,848 INFO L87 Difference]: Start difference. First operand 109 states and 267 transitions. Second operand 9 states. [2020-08-22 06:14:30,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:30,122 INFO L93 Difference]: Finished difference Result 189 states and 559 transitions. [2020-08-22 06:14:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 06:14:30,124 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 201 [2020-08-22 06:14:30,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:30,126 INFO L225 Difference]: With dead ends: 189 [2020-08-22 06:14:30,127 INFO L226 Difference]: Without dead ends: 73 [2020-08-22 06:14:30,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:14:30,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-08-22 06:14:30,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-08-22 06:14:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-08-22 06:14:30,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 114 transitions. [2020-08-22 06:14:30,157 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 114 transitions. Word has length 201 [2020-08-22 06:14:30,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:30,159 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 114 transitions. [2020-08-22 06:14:30,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 06:14:30,160 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2020-08-22 06:14:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-22 06:14:30,164 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:30,164 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 9, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:30,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 06:14:30,165 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:30,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:30,165 INFO L82 PathProgramCache]: Analyzing trace with hash -2010206023, now seen corresponding path program 5 times [2020-08-22 06:14:30,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:30,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727600226] [2020-08-22 06:14:30,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-22 06:14:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 163 proven. 147 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-08-22 06:14:30,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727600226] [2020-08-22 06:14:30,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:30,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 06:14:30,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588723994] [2020-08-22 06:14:30,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 06:14:30,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:30,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 06:14:30,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-08-22 06:14:30,578 INFO L87 Difference]: Start difference. First operand 73 states and 114 transitions. Second operand 16 states. [2020-08-22 06:14:31,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:31,389 INFO L93 Difference]: Finished difference Result 181 states and 380 transitions. [2020-08-22 06:14:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-08-22 06:14:31,390 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 108 [2020-08-22 06:14:31,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:31,392 INFO L225 Difference]: With dead ends: 181 [2020-08-22 06:14:31,393 INFO L226 Difference]: Without dead ends: 116 [2020-08-22 06:14:31,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=382, Invalid=1424, Unknown=0, NotChecked=0, Total=1806 [2020-08-22 06:14:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-22 06:14:31,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 81. [2020-08-22 06:14:31,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-08-22 06:14:31,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 126 transitions. [2020-08-22 06:14:31,410 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 126 transitions. Word has length 108 [2020-08-22 06:14:31,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:31,410 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 126 transitions. [2020-08-22 06:14:31,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 06:14:31,410 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2020-08-22 06:14:31,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-08-22 06:14:31,413 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:31,413 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 11, 8, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:31,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 06:14:31,414 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:31,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:31,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1835077495, now seen corresponding path program 6 times [2020-08-22 06:14:31,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:31,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635646210] [2020-08-22 06:14:31,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-22 06:14:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 153 proven. 289 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2020-08-22 06:14:31,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635646210] [2020-08-22 06:14:31,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:31,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 06:14:31,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297117627] [2020-08-22 06:14:31,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 06:14:31,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:31,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 06:14:31,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-08-22 06:14:31,847 INFO L87 Difference]: Start difference. First operand 81 states and 126 transitions. Second operand 16 states. [2020-08-22 06:14:32,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:32,681 INFO L93 Difference]: Finished difference Result 213 states and 430 transitions. [2020-08-22 06:14:32,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-22 06:14:32,682 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 134 [2020-08-22 06:14:32,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:32,684 INFO L225 Difference]: With dead ends: 213 [2020-08-22 06:14:32,686 INFO L226 Difference]: Without dead ends: 131 [2020-08-22 06:14:32,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=479, Invalid=1777, Unknown=0, NotChecked=0, Total=2256 [2020-08-22 06:14:32,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-22 06:14:32,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 96. [2020-08-22 06:14:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-08-22 06:14:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 151 transitions. [2020-08-22 06:14:32,705 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 151 transitions. Word has length 134 [2020-08-22 06:14:32,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:32,706 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 151 transitions. [2020-08-22 06:14:32,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 06:14:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2020-08-22 06:14:32,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-22 06:14:32,708 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:32,708 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 13, 10, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:32,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 06:14:32,709 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:32,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:32,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1434361927, now seen corresponding path program 7 times [2020-08-22 06:14:32,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:32,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1126790035] [2020-08-22 06:14:32,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:32,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:14:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 446 proven. 274 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-08-22 06:14:33,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1126790035] [2020-08-22 06:14:33,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:33,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-22 06:14:33,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049393396] [2020-08-22 06:14:33,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-22 06:14:33,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:33,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-22 06:14:33,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2020-08-22 06:14:33,314 INFO L87 Difference]: Start difference. First operand 96 states and 151 transitions. Second operand 22 states. [2020-08-22 06:14:34,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:34,946 INFO L93 Difference]: Finished difference Result 273 states and 544 transitions. [2020-08-22 06:14:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-08-22 06:14:34,948 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 160 [2020-08-22 06:14:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:34,952 INFO L225 Difference]: With dead ends: 273 [2020-08-22 06:14:34,952 INFO L226 Difference]: Without dead ends: 185 [2020-08-22 06:14:34,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1223 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=894, Invalid=4218, Unknown=0, NotChecked=0, Total=5112 [2020-08-22 06:14:34,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-08-22 06:14:34,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 123. [2020-08-22 06:14:34,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-08-22 06:14:34,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 205 transitions. [2020-08-22 06:14:34,974 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 205 transitions. Word has length 160 [2020-08-22 06:14:34,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:34,975 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 205 transitions. [2020-08-22 06:14:34,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-22 06:14:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 205 transitions. [2020-08-22 06:14:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-22 06:14:34,978 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:34,978 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 14, 11, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:34,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 06:14:34,978 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:34,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:34,979 INFO L82 PathProgramCache]: Analyzing trace with hash -66876812, now seen corresponding path program 8 times [2020-08-22 06:14:34,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:34,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [598381920] [2020-08-22 06:14:34,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:14:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:35,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 503 proven. 360 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2020-08-22 06:14:35,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [598381920] [2020-08-22 06:14:35,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:35,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-08-22 06:14:35,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610254524] [2020-08-22 06:14:35,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-22 06:14:35,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:35,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-22 06:14:35,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2020-08-22 06:14:35,765 INFO L87 Difference]: Start difference. First operand 123 states and 205 transitions. Second operand 23 states. [2020-08-22 06:14:37,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:37,523 INFO L93 Difference]: Finished difference Result 324 states and 682 transitions. [2020-08-22 06:14:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-08-22 06:14:37,524 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 173 [2020-08-22 06:14:37,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:37,529 INFO L225 Difference]: With dead ends: 324 [2020-08-22 06:14:37,529 INFO L226 Difference]: Without dead ends: 209 [2020-08-22 06:14:37,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1544 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1041, Invalid=4965, Unknown=0, NotChecked=0, Total=6006 [2020-08-22 06:14:37,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-08-22 06:14:37,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 138. [2020-08-22 06:14:37,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-08-22 06:14:37,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 238 transitions. [2020-08-22 06:14:37,560 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 238 transitions. Word has length 173 [2020-08-22 06:14:37,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:37,561 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 238 transitions. [2020-08-22 06:14:37,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-22 06:14:37,561 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2020-08-22 06:14:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-08-22 06:14:37,564 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:37,564 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 15, 12, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:37,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 06:14:37,565 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:37,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:37,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1028004289, now seen corresponding path program 9 times [2020-08-22 06:14:37,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:37,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421546471] [2020-08-22 06:14:37,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:14:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:37,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:38,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:38,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:38,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:38,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:38,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:38,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:38,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 600 proven. 156 refuted. 0 times theorem prover too weak. 985 trivial. 0 not checked. [2020-08-22 06:14:38,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421546471] [2020-08-22 06:14:38,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:38,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-22 06:14:38,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885226998] [2020-08-22 06:14:38,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-22 06:14:38,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:38,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-22 06:14:38,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=550, Unknown=0, NotChecked=0, Total=600 [2020-08-22 06:14:38,527 INFO L87 Difference]: Start difference. First operand 138 states and 238 transitions. Second operand 25 states. [2020-08-22 06:14:40,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:40,206 INFO L93 Difference]: Finished difference Result 266 states and 467 transitions. [2020-08-22 06:14:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-22 06:14:40,209 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 186 [2020-08-22 06:14:40,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:40,214 INFO L225 Difference]: With dead ends: 266 [2020-08-22 06:14:40,214 INFO L226 Difference]: Without dead ends: 256 [2020-08-22 06:14:40,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=247, Invalid=2615, Unknown=0, NotChecked=0, Total=2862 [2020-08-22 06:14:40,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-08-22 06:14:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 193. [2020-08-22 06:14:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-08-22 06:14:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 355 transitions. [2020-08-22 06:14:40,237 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 355 transitions. Word has length 186 [2020-08-22 06:14:40,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:40,237 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 355 transitions. [2020-08-22 06:14:40,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-22 06:14:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 355 transitions. [2020-08-22 06:14:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-08-22 06:14:40,241 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:40,241 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 16, 13, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:40,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 06:14:40,242 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:40,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:40,242 INFO L82 PathProgramCache]: Analyzing trace with hash -2090243986, now seen corresponding path program 10 times [2020-08-22 06:14:40,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:40,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435957777] [2020-08-22 06:14:40,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:14:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 665 proven. 517 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2020-08-22 06:14:40,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435957777] [2020-08-22 06:14:40,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:40,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-22 06:14:40,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194807562] [2020-08-22 06:14:40,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-22 06:14:40,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:40,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-22 06:14:40,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2020-08-22 06:14:40,927 INFO L87 Difference]: Start difference. First operand 193 states and 355 transitions. Second operand 25 states. [2020-08-22 06:14:42,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:42,041 INFO L93 Difference]: Finished difference Result 495 states and 1120 transitions. [2020-08-22 06:14:42,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-22 06:14:42,042 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 199 [2020-08-22 06:14:42,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:42,052 INFO L225 Difference]: With dead ends: 495 [2020-08-22 06:14:42,053 INFO L226 Difference]: Without dead ends: 213 [2020-08-22 06:14:42,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=351, Invalid=2001, Unknown=0, NotChecked=0, Total=2352 [2020-08-22 06:14:42,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-08-22 06:14:42,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 199. [2020-08-22 06:14:42,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-08-22 06:14:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 361 transitions. [2020-08-22 06:14:42,101 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 361 transitions. Word has length 199 [2020-08-22 06:14:42,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:42,102 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 361 transitions. [2020-08-22 06:14:42,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-22 06:14:42,102 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 361 transitions. [2020-08-22 06:14:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-08-22 06:14:42,107 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:42,108 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 18, 15, 14, 14, 14, 14, 14, 14, 14, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:42,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 06:14:42,108 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:42,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:42,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1395301404, now seen corresponding path program 11 times [2020-08-22 06:14:42,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:42,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1844955458] [2020-08-22 06:14:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-08-22 06:14:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:14:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:42,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2641 backedges. 273 proven. 870 refuted. 0 times theorem prover too weak. 1498 trivial. 0 not checked. [2020-08-22 06:14:42,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1844955458] [2020-08-22 06:14:42,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:42,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 06:14:42,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965933836] [2020-08-22 06:14:42,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 06:14:42,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:42,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 06:14:42,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-08-22 06:14:42,760 INFO L87 Difference]: Start difference. First operand 199 states and 361 transitions. Second operand 18 states. [2020-08-22 06:14:43,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:43,331 INFO L93 Difference]: Finished difference Result 397 states and 829 transitions. [2020-08-22 06:14:43,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 06:14:43,332 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 225 [2020-08-22 06:14:43,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:43,338 INFO L225 Difference]: With dead ends: 397 [2020-08-22 06:14:43,338 INFO L226 Difference]: Without dead ends: 206 [2020-08-22 06:14:43,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=936, Unknown=0, NotChecked=0, Total=1122 [2020-08-22 06:14:43,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-08-22 06:14:43,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 204. [2020-08-22 06:14:43,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-08-22 06:14:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 369 transitions. [2020-08-22 06:14:43,373 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 369 transitions. Word has length 225 [2020-08-22 06:14:43,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:43,374 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 369 transitions. [2020-08-22 06:14:43,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 06:14:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 369 transitions. [2020-08-22 06:14:43,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-08-22 06:14:43,383 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:43,383 INFO L422 BasicCegarLoop]: trace histogram [36, 36, 20, 16, 15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:43,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 06:14:43,384 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:43,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:43,385 INFO L82 PathProgramCache]: Analyzing trace with hash 958835345, now seen corresponding path program 12 times [2020-08-22 06:14:43,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:43,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459704867] [2020-08-22 06:14:43,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-22 06:14:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-08-22 06:14:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:14:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3150 backedges. 205 proven. 717 refuted. 0 times theorem prover too weak. 2228 trivial. 0 not checked. [2020-08-22 06:14:43,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459704867] [2020-08-22 06:14:43,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:43,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 06:14:43,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70750237] [2020-08-22 06:14:43,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 06:14:43,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:43,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 06:14:43,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 06:14:43,918 INFO L87 Difference]: Start difference. First operand 204 states and 369 transitions. Second operand 7 states. [2020-08-22 06:14:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:44,037 INFO L93 Difference]: Finished difference Result 377 states and 856 transitions. [2020-08-22 06:14:44,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:14:44,038 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-08-22 06:14:44,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:44,041 INFO L225 Difference]: With dead ends: 377 [2020-08-22 06:14:44,041 INFO L226 Difference]: Without dead ends: 181 [2020-08-22 06:14:44,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:14:44,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-08-22 06:14:44,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 176. [2020-08-22 06:14:44,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-08-22 06:14:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 314 transitions. [2020-08-22 06:14:44,072 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 314 transitions. Word has length 245 [2020-08-22 06:14:44,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:44,072 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 314 transitions. [2020-08-22 06:14:44,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 06:14:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 314 transitions. [2020-08-22 06:14:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-08-22 06:14:44,077 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:44,077 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 23, 19, 18, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:44,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 06:14:44,077 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:44,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:44,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1239024914, now seen corresponding path program 13 times [2020-08-22 06:14:44,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:44,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492205218] [2020-08-22 06:14:44,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:14:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-22 06:14:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:44,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4329 backedges. 228 proven. 513 refuted. 0 times theorem prover too weak. 3588 trivial. 0 not checked. [2020-08-22 06:14:45,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492205218] [2020-08-22 06:14:45,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:45,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 06:14:45,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505810590] [2020-08-22 06:14:45,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 06:14:45,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:45,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 06:14:45,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:14:45,132 INFO L87 Difference]: Start difference. First operand 176 states and 314 transitions. Second operand 8 states. [2020-08-22 06:14:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:45,305 INFO L93 Difference]: Finished difference Result 180 states and 317 transitions. [2020-08-22 06:14:45,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 06:14:45,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 284 [2020-08-22 06:14:45,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:45,312 INFO L225 Difference]: With dead ends: 180 [2020-08-22 06:14:45,312 INFO L226 Difference]: Without dead ends: 176 [2020-08-22 06:14:45,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-08-22 06:14:45,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-08-22 06:14:45,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 164. [2020-08-22 06:14:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-08-22 06:14:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 270 transitions. [2020-08-22 06:14:45,351 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 270 transitions. Word has length 284 [2020-08-22 06:14:45,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:45,351 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 270 transitions. [2020-08-22 06:14:45,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 06:14:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2020-08-22 06:14:45,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-08-22 06:14:45,361 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:45,361 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 24, 19, 18, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:45,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 06:14:45,362 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:45,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:45,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1494765826, now seen corresponding path program 14 times [2020-08-22 06:14:45,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:45,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856452744] [2020-08-22 06:14:45,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:45,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 06:14:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-08-22 06:14:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:14:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4530 backedges. 677 proven. 1304 refuted. 0 times theorem prover too weak. 2549 trivial. 0 not checked. [2020-08-22 06:14:46,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856452744] [2020-08-22 06:14:46,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:46,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-08-22 06:14:46,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958644638] [2020-08-22 06:14:46,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-22 06:14:46,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:46,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-22 06:14:46,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2020-08-22 06:14:46,508 INFO L87 Difference]: Start difference. First operand 164 states and 270 transitions. Second operand 24 states. [2020-08-22 06:14:47,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:47,852 INFO L93 Difference]: Finished difference Result 343 states and 647 transitions. [2020-08-22 06:14:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-08-22 06:14:47,858 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 291 [2020-08-22 06:14:47,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:47,865 INFO L225 Difference]: With dead ends: 343 [2020-08-22 06:14:47,865 INFO L226 Difference]: Without dead ends: 176 [2020-08-22 06:14:47,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1024 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=738, Invalid=3684, Unknown=0, NotChecked=0, Total=4422 [2020-08-22 06:14:47,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-08-22 06:14:47,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 159. [2020-08-22 06:14:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-08-22 06:14:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 245 transitions. [2020-08-22 06:14:47,883 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 245 transitions. Word has length 291 [2020-08-22 06:14:47,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:47,885 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 245 transitions. [2020-08-22 06:14:47,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-22 06:14:47,885 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 245 transitions. [2020-08-22 06:14:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-08-22 06:14:47,890 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:47,890 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 24, 19, 18, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:47,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 06:14:47,891 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:47,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:47,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1137736678, now seen corresponding path program 15 times [2020-08-22 06:14:47,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:47,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420887068] [2020-08-22 06:14:47,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 06:14:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-08-22 06:14:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4530 backedges. 623 proven. 1341 refuted. 0 times theorem prover too weak. 2566 trivial. 0 not checked. [2020-08-22 06:14:48,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420887068] [2020-08-22 06:14:48,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:48,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 06:14:48,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841151536] [2020-08-22 06:14:48,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 06:14:48,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:48,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 06:14:48,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:14:48,641 INFO L87 Difference]: Start difference. First operand 159 states and 245 transitions. Second operand 9 states. [2020-08-22 06:14:48,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:48,823 INFO L93 Difference]: Finished difference Result 307 states and 533 transitions. [2020-08-22 06:14:48,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 06:14:48,824 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 291 [2020-08-22 06:14:48,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:48,827 INFO L225 Difference]: With dead ends: 307 [2020-08-22 06:14:48,827 INFO L226 Difference]: Without dead ends: 160 [2020-08-22 06:14:48,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:14:48,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-08-22 06:14:48,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 154. [2020-08-22 06:14:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-08-22 06:14:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 218 transitions. [2020-08-22 06:14:48,843 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 218 transitions. Word has length 291 [2020-08-22 06:14:48,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:48,844 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 218 transitions. [2020-08-22 06:14:48,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 06:14:48,844 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 218 transitions. [2020-08-22 06:14:48,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1065 [2020-08-22 06:14:48,891 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:48,892 INFO L422 BasicCegarLoop]: trace histogram [161, 161, 89, 72, 71, 71, 71, 71, 71, 71, 71, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:48,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 06:14:48,892 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:48,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:48,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1792967769, now seen corresponding path program 16 times [2020-08-22 06:14:48,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:48,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183368016] [2020-08-22 06:14:48,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:49,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:49,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 06:14:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:50,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:14:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-22 06:14:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-08-22 06:14:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-08-22 06:14:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2020-08-22 06:14:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:14:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-22 06:14:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-08-22 06:14:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-08-22 06:14:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:52,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:53,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:53,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:14:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 65682 backedges. 3894 proven. 9341 refuted. 0 times theorem prover too weak. 52447 trivial. 0 not checked. [2020-08-22 06:14:53,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183368016] [2020-08-22 06:14:53,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:14:53,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-08-22 06:14:53,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945197852] [2020-08-22 06:14:53,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-08-22 06:14:53,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:14:53,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-08-22 06:14:53,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=801, Unknown=0, NotChecked=0, Total=930 [2020-08-22 06:14:53,997 INFO L87 Difference]: Start difference. First operand 154 states and 218 transitions. Second operand 31 states. [2020-08-22 06:14:56,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:14:56,059 INFO L93 Difference]: Finished difference Result 342 states and 595 transitions. [2020-08-22 06:14:56,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-08-22 06:14:56,060 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 1064 [2020-08-22 06:14:56,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:14:56,066 INFO L225 Difference]: With dead ends: 342 [2020-08-22 06:14:56,066 INFO L226 Difference]: Without dead ends: 197 [2020-08-22 06:14:56,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1892 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1164, Invalid=6492, Unknown=0, NotChecked=0, Total=7656 [2020-08-22 06:14:56,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-08-22 06:14:56,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 170. [2020-08-22 06:14:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-08-22 06:14:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2020-08-22 06:14:56,087 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 1064 [2020-08-22 06:14:56,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:14:56,088 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2020-08-22 06:14:56,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-08-22 06:14:56,088 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2020-08-22 06:14:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1365 [2020-08-22 06:14:56,191 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:14:56,193 INFO L422 BasicCegarLoop]: trace histogram [207, 207, 113, 94, 93, 93, 93, 93, 93, 93, 93, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:14:56,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 06:14:56,193 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:14:56,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:14:56,194 INFO L82 PathProgramCache]: Analyzing trace with hash 374059961, now seen corresponding path program 17 times [2020-08-22 06:14:56,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:14:56,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400587753] [2020-08-22 06:14:56,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:14:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:57,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:14:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:14:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:58,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:58,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:58,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:58,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:58,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:58,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:58,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:58,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 06:14:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:14:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:14:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:14:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:14:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:14:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:14:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:14:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-22 06:14:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:14:59,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:14:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-08-22 06:15:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-08-22 06:15:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:00,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2020-08-22 06:15:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:01,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:15:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:15:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-22 06:15:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-08-22 06:15:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:02,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-08-22 06:15:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-08-22 06:15:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2020-08-22 06:15:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:03,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 109104 backedges. 23428 proven. 23723 refuted. 0 times theorem prover too weak. 61953 trivial. 0 not checked. [2020-08-22 06:15:05,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400587753] [2020-08-22 06:15:05,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:05,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-08-22 06:15:05,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394592676] [2020-08-22 06:15:05,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-08-22 06:15:05,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:05,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-08-22 06:15:05,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1350, Unknown=0, NotChecked=0, Total=1560 [2020-08-22 06:15:05,473 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand 40 states. [2020-08-22 06:15:08,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:08,240 INFO L93 Difference]: Finished difference Result 379 states and 611 transitions. [2020-08-22 06:15:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-08-22 06:15:08,241 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 1364 [2020-08-22 06:15:08,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:08,244 INFO L225 Difference]: With dead ends: 379 [2020-08-22 06:15:08,244 INFO L226 Difference]: Without dead ends: 221 [2020-08-22 06:15:08,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3121 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1786, Invalid=10870, Unknown=0, NotChecked=0, Total=12656 [2020-08-22 06:15:08,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-08-22 06:15:08,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 185. [2020-08-22 06:15:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-08-22 06:15:08,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 258 transitions. [2020-08-22 06:15:08,268 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 258 transitions. Word has length 1364 [2020-08-22 06:15:08,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:08,269 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 258 transitions. [2020-08-22 06:15:08,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-08-22 06:15:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 258 transitions. [2020-08-22 06:15:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1593 [2020-08-22 06:15:08,291 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:08,292 INFO L422 BasicCegarLoop]: trace histogram [242, 242, 131, 111, 110, 110, 110, 110, 110, 110, 110, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:08,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-22 06:15:08,292 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:08,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:08,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1169216784, now seen corresponding path program 18 times [2020-08-22 06:15:08,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:08,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258862184] [2020-08-22 06:15:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:09,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 06:15:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:09,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:15:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 06:15:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:15:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:15:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-22 06:15:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:10,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:15:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-08-22 06:15:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:15:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-08-22 06:15:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:15:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:11,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2020-08-22 06:15:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:15:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 06:15:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-22 06:15:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:15:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-08-22 06:15:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:15:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-08-22 06:15:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:15:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2020-08-22 06:15:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:15:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-08-22 06:15:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:15:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2020-08-22 06:15:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 06:15:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 06:15:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 06:15:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 06:15:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:15:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:15:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:15:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:15:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 149559 backedges. 4669 proven. 18310 refuted. 0 times theorem prover too weak. 126580 trivial. 0 not checked. [2020-08-22 06:15:15,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258862184] [2020-08-22 06:15:15,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:15,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-08-22 06:15:15,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827418959] [2020-08-22 06:15:15,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-08-22 06:15:15,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:15,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-08-22 06:15:15,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=914, Unknown=0, NotChecked=0, Total=1056 [2020-08-22 06:15:15,570 INFO L87 Difference]: Start difference. First operand 185 states and 258 transitions. Second operand 33 states. [2020-08-22 06:15:16,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:16,640 INFO L93 Difference]: Finished difference Result 358 states and 552 transitions. [2020-08-22 06:15:16,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-08-22 06:15:16,641 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1592 [2020-08-22 06:15:16,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:16,644 INFO L225 Difference]: With dead ends: 358 [2020-08-22 06:15:16,644 INFO L226 Difference]: Without dead ends: 185 [2020-08-22 06:15:16,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1329 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=634, Invalid=3922, Unknown=0, NotChecked=0, Total=4556 [2020-08-22 06:15:16,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-08-22 06:15:16,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-08-22 06:15:16,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-08-22 06:15:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 257 transitions. [2020-08-22 06:15:16,667 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 257 transitions. Word has length 1592 [2020-08-22 06:15:16,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:16,668 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 257 transitions. [2020-08-22 06:15:16,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-08-22 06:15:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2020-08-22 06:15:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1567 [2020-08-22 06:15:16,692 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:16,692 INFO L422 BasicCegarLoop]: trace histogram [238, 238, 129, 109, 108, 108, 108, 108, 108, 108, 108, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:16,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-22 06:15:16,693 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:16,694 INFO L82 PathProgramCache]: Analyzing trace with hash -753676502, now seen corresponding path program 19 times [2020-08-22 06:15:16,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:16,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834819191] [2020-08-22 06:15:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat