/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 23:30:37,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 23:30:37,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 23:30:37,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 23:30:37,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 23:30:37,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 23:30:37,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 23:30:37,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 23:30:37,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 23:30:37,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 23:30:37,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 23:30:37,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 23:30:37,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 23:30:37,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 23:30:37,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 23:30:37,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 23:30:37,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 23:30:37,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 23:30:37,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 23:30:37,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 23:30:37,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 23:30:37,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 23:30:37,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 23:30:37,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 23:30:37,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 23:30:37,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 23:30:37,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 23:30:37,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 23:30:37,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 23:30:37,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 23:30:37,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 23:30:37,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 23:30:37,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 23:30:37,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 23:30:37,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 23:30:37,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 23:30:37,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 23:30:37,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 23:30:37,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 23:30:37,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 23:30:37,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 23:30:37,830 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 [2020-08-18 23:30:37,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 23:30:37,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 23:30:37,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 23:30:37,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 23:30:37,877 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 23:30:37,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 23:30:37,878 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 23:30:37,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 23:30:37,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 23:30:37,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 23:30:37,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 23:30:37,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 23:30:37,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 23:30:37,881 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 23:30:37,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 23:30:37,882 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 23:30:37,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 23:30:37,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 23:30:37,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 23:30:37,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 23:30:37,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 23:30:37,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:30:37,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 23:30:37,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 23:30:37,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 23:30:37,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 23:30:37,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 23:30:37,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 23:30:37,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 23:30:37,885 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=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; [2020-08-18 23:30:38,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 23:30:38,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 23:30:38,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 23:30:38,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 23:30:38,226 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 23:30:38,227 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-08-18 23:30:38,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f484ba894/0fec8bf0d7d6403984f2899528786787/FLAGcee17dc24 [2020-08-18 23:30:38,774 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 23:30:38,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-08-18 23:30:38,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f484ba894/0fec8bf0d7d6403984f2899528786787/FLAGcee17dc24 [2020-08-18 23:30:39,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f484ba894/0fec8bf0d7d6403984f2899528786787 [2020-08-18 23:30:39,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 23:30:39,161 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 23:30:39,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 23:30:39,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 23:30:39,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 23:30:39,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:30:39" (1/1) ... [2020-08-18 23:30:39,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37dd4a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39, skipping insertion in model container [2020-08-18 23:30:39,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:30:39" (1/1) ... [2020-08-18 23:30:39,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 23:30:39,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 23:30:39,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:30:39,360 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 23:30:39,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:30:39,386 INFO L208 MainTranslator]: Completed translation [2020-08-18 23:30:39,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39 WrapperNode [2020-08-18 23:30:39,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 23:30:39,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 23:30:39,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 23:30:39,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 23:30:39,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39" (1/1) ... [2020-08-18 23:30:39,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39" (1/1) ... [2020-08-18 23:30:39,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39" (1/1) ... [2020-08-18 23:30:39,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39" (1/1) ... [2020-08-18 23:30:39,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39" (1/1) ... [2020-08-18 23:30:39,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39" (1/1) ... [2020-08-18 23:30:39,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39" (1/1) ... [2020-08-18 23:30:39,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 23:30:39,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 23:30:39,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 23:30:39,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 23:30:39,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:30:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 23:30:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 23:30:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-18 23:30:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-18 23:30:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 23:30:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 23:30:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 23:30:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-18 23:30:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-18 23:30:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 23:30:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 23:30:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 23:30:39,778 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 23:30:39,778 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 23:30:39,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:30:39 BoogieIcfgContainer [2020-08-18 23:30:39,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 23:30:39,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 23:30:39,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 23:30:39,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 23:30:39,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:30:39" (1/3) ... [2020-08-18 23:30:39,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b42938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:30:39, skipping insertion in model container [2020-08-18 23:30:39,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:30:39" (2/3) ... [2020-08-18 23:30:39,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b42938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:30:39, skipping insertion in model container [2020-08-18 23:30:39,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:30:39" (3/3) ... [2020-08-18 23:30:39,792 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-2.c [2020-08-18 23:30:39,803 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 23:30:39,811 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 23:30:39,824 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 23:30:39,850 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 23:30:39,850 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 23:30:39,851 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 23:30:39,851 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 23:30:39,851 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 23:30:39,851 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 23:30:39,851 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 23:30:39,851 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 23:30:39,872 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-18 23:30:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-18 23:30:39,879 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:39,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:39,880 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:39,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:39,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-18 23:30:39,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:39,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915081771] [2020-08-18 23:30:39,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:30:40,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915081771] [2020-08-18 23:30:40,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:30:40,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 23:30:40,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364229877] [2020-08-18 23:30:40,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 23:30:40,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:40,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 23:30:40,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 23:30:40,131 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-18 23:30:40,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:40,269 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-18 23:30:40,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 23:30:40,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-18 23:30:40,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:40,288 INFO L225 Difference]: With dead ends: 44 [2020-08-18 23:30:40,289 INFO L226 Difference]: Without dead ends: 30 [2020-08-18 23:30:40,294 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 [2020-08-18 23:30:40,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-18 23:30:40,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-18 23:30:40,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-18 23:30:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-18 23:30:40,369 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-18 23:30:40,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:40,372 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-18 23:30:40,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 23:30:40,372 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-18 23:30:40,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-18 23:30:40,377 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:40,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:40,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 23:30:40,379 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:40,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:40,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-18 23:30:40,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:40,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041393185] [2020-08-18 23:30:40,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:30:40,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041393185] [2020-08-18 23:30:40,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:30:40,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 23:30:40,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422178431] [2020-08-18 23:30:40,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 23:30:40,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:40,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 23:30:40,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 23:30:40,463 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-18 23:30:40,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:40,564 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-18 23:30:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 23:30:40,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-18 23:30:40,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:40,566 INFO L225 Difference]: With dead ends: 36 [2020-08-18 23:30:40,567 INFO L226 Difference]: Without dead ends: 32 [2020-08-18 23:30:40,568 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 [2020-08-18 23:30:40,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-18 23:30:40,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-18 23:30:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-18 23:30:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-18 23:30:40,579 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-18 23:30:40,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:40,580 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-18 23:30:40,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 23:30:40,580 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-18 23:30:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-18 23:30:40,582 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:40,582 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:40,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 23:30:40,583 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:40,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:40,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-18 23:30:40,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:40,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641801517] [2020-08-18 23:30:40,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:30:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 23:30:40,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641801517] [2020-08-18 23:30:40,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:40,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 23:30:40,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103531696] [2020-08-18 23:30:40,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 23:30:40,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:40,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 23:30:40,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-18 23:30:40,742 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-18 23:30:40,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:40,901 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-18 23:30:40,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 23:30:40,902 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-18 23:30:40,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:40,904 INFO L225 Difference]: With dead ends: 58 [2020-08-18 23:30:40,904 INFO L226 Difference]: Without dead ends: 34 [2020-08-18 23:30:40,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:30:40,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-18 23:30:40,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-18 23:30:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-18 23:30:40,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-18 23:30:40,927 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-18 23:30:40,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:40,927 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-18 23:30:40,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 23:30:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-18 23:30:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-18 23:30:40,932 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:40,933 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:40,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 23:30:40,934 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:40,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:40,934 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-18 23:30:40,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:40,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146126670] [2020-08-18 23:30:40,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 23:30:41,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146126670] [2020-08-18 23:30:41,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:41,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 23:30:41,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417013156] [2020-08-18 23:30:41,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 23:30:41,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:41,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 23:30:41,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 23:30:41,090 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-18 23:30:41,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:41,277 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-18 23:30:41,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 23:30:41,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-18 23:30:41,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:41,282 INFO L225 Difference]: With dead ends: 54 [2020-08-18 23:30:41,282 INFO L226 Difference]: Without dead ends: 50 [2020-08-18 23:30:41,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:30:41,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-18 23:30:41,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-18 23:30:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-18 23:30:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-18 23:30:41,309 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-18 23:30:41,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:41,312 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-18 23:30:41,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 23:30:41,312 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-18 23:30:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-18 23:30:41,314 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:41,314 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:41,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 23:30:41,316 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:41,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:41,317 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-18 23:30:41,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:41,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66633679] [2020-08-18 23:30:41,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:30:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:30:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 23:30:41,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66633679] [2020-08-18 23:30:41,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:41,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 23:30:41,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822102909] [2020-08-18 23:30:41,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 23:30:41,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:41,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 23:30:41,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-18 23:30:41,492 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-18 23:30:41,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:41,569 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-18 23:30:41,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 23:30:41,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-18 23:30:41,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:41,571 INFO L225 Difference]: With dead ends: 94 [2020-08-18 23:30:41,572 INFO L226 Difference]: Without dead ends: 52 [2020-08-18 23:30:41,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 23:30:41,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-18 23:30:41,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-18 23:30:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-18 23:30:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-18 23:30:41,585 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-18 23:30:41,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:41,586 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-18 23:30:41,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 23:30:41,586 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-18 23:30:41,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-18 23:30:41,588 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:41,588 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:41,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 23:30:41,589 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:41,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:41,589 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-18 23:30:41,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:41,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182751532] [2020-08-18 23:30:41,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 23:30:41,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182751532] [2020-08-18 23:30:41,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:41,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 23:30:41,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686416631] [2020-08-18 23:30:41,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 23:30:41,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:41,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 23:30:41,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:30:41,723 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-18 23:30:41,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:41,844 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-18 23:30:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 23:30:41,845 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-18 23:30:41,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:41,848 INFO L225 Difference]: With dead ends: 103 [2020-08-18 23:30:41,848 INFO L226 Difference]: Without dead ends: 57 [2020-08-18 23:30:41,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:30:41,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-18 23:30:41,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-18 23:30:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-18 23:30:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-18 23:30:41,862 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-18 23:30:41,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:41,863 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-18 23:30:41,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 23:30:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-18 23:30:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-18 23:30:41,865 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:41,865 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:41,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 23:30:41,866 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:41,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:41,866 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-18 23:30:41,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:41,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922456849] [2020-08-18 23:30:41,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 23:30:41,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922456849] [2020-08-18 23:30:41,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:41,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 23:30:41,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179174333] [2020-08-18 23:30:41,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 23:30:41,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:41,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 23:30:41,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:30:41,984 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-18 23:30:42,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:42,180 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-18 23:30:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 23:30:42,181 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-18 23:30:42,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:42,183 INFO L225 Difference]: With dead ends: 86 [2020-08-18 23:30:42,183 INFO L226 Difference]: Without dead ends: 82 [2020-08-18 23:30:42,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-08-18 23:30:42,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-18 23:30:42,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-18 23:30:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-18 23:30:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-18 23:30:42,201 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-18 23:30:42,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:42,202 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-18 23:30:42,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 23:30:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-18 23:30:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-18 23:30:42,216 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:42,216 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:42,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 23:30:42,217 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:42,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:42,218 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-18 23:30:42,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:42,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41917416] [2020-08-18 23:30:42,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:30:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-18 23:30:42,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41917416] [2020-08-18 23:30:42,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:42,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 23:30:42,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235122793] [2020-08-18 23:30:42,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 23:30:42,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:42,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 23:30:42,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:30:42,433 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-18 23:30:42,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:42,567 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-18 23:30:42,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 23:30:42,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-18 23:30:42,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:42,574 INFO L225 Difference]: With dead ends: 167 [2020-08-18 23:30:42,574 INFO L226 Difference]: Without dead ends: 94 [2020-08-18 23:30:42,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:30:42,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-18 23:30:42,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-18 23:30:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-18 23:30:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-18 23:30:42,617 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-18 23:30:42,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:42,620 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-18 23:30:42,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 23:30:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-18 23:30:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-18 23:30:42,628 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:42,628 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:42,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 23:30:42,629 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:42,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:42,629 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-18 23:30:42,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:42,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096713401] [2020-08-18 23:30:42,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 23:30:42,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096713401] [2020-08-18 23:30:42,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:42,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 23:30:42,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544001277] [2020-08-18 23:30:42,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 23:30:42,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:42,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 23:30:42,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:30:42,798 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-18 23:30:43,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:43,037 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-18 23:30:43,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 23:30:43,038 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-18 23:30:43,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:43,040 INFO L225 Difference]: With dead ends: 188 [2020-08-18 23:30:43,040 INFO L226 Difference]: Without dead ends: 109 [2020-08-18 23:30:43,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:30:43,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-18 23:30:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-18 23:30:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 23:30:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-18 23:30:43,056 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-18 23:30:43,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:43,057 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-18 23:30:43,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 23:30:43,057 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-18 23:30:43,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-18 23:30:43,059 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:43,059 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:43,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 23:30:43,060 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:43,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:43,060 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-18 23:30:43,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:43,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608927964] [2020-08-18 23:30:43,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-18 23:30:43,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608927964] [2020-08-18 23:30:43,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:43,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 23:30:43,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096707334] [2020-08-18 23:30:43,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 23:30:43,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:43,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 23:30:43,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 23:30:43,277 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-18 23:30:43,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:43,668 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-18 23:30:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-18 23:30:43,669 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-18 23:30:43,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:43,671 INFO L225 Difference]: With dead ends: 199 [2020-08-18 23:30:43,672 INFO L226 Difference]: Without dead ends: 86 [2020-08-18 23:30:43,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-08-18 23:30:43,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-18 23:30:43,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-18 23:30:43,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-18 23:30:43,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-18 23:30:43,691 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-18 23:30:43,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:43,692 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-18 23:30:43,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 23:30:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-18 23:30:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-18 23:30:43,694 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:43,694 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:43,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 23:30:43,695 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:43,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:43,695 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-18 23:30:43,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:43,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507774518] [2020-08-18 23:30:43,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 23:30:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-18 23:30:43,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507774518] [2020-08-18 23:30:43,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:43,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 23:30:43,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727631317] [2020-08-18 23:30:43,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 23:30:43,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:43,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 23:30:43,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:30:43,951 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-18 23:30:44,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:44,163 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-18 23:30:44,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 23:30:44,163 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-18 23:30:44,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:44,165 INFO L225 Difference]: With dead ends: 142 [2020-08-18 23:30:44,165 INFO L226 Difference]: Without dead ends: 78 [2020-08-18 23:30:44,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:30:44,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-18 23:30:44,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-18 23:30:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-18 23:30:44,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-18 23:30:44,180 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-18 23:30:44,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:44,181 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-18 23:30:44,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 23:30:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-18 23:30:44,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-18 23:30:44,191 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:44,191 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:44,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 23:30:44,192 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:44,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:44,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-18 23:30:44,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:44,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100543946] [2020-08-18 23:30:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-18 23:30:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 23:30:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-18 23:30:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-18 23:30:44,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100543946] [2020-08-18 23:30:44,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:44,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-18 23:30:44,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631002935] [2020-08-18 23:30:44,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-18 23:30:44,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:44,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-18 23:30:44,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-18 23:30:44,858 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-18 23:30:45,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:45,463 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-18 23:30:45,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-18 23:30:45,463 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-18 23:30:45,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:45,465 INFO L225 Difference]: With dead ends: 184 [2020-08-18 23:30:45,465 INFO L226 Difference]: Without dead ends: 111 [2020-08-18 23:30:45,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-08-18 23:30:45,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-18 23:30:45,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-18 23:30:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 23:30:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-18 23:30:45,476 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-18 23:30:45,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:45,477 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-18 23:30:45,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-18 23:30:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-18 23:30:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-18 23:30:45,479 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:45,479 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:45,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 23:30:45,480 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:45,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:45,480 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-18 23:30:45,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:45,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59882987] [2020-08-18 23:30:45,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-18 23:30:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-18 23:30:45,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59882987] [2020-08-18 23:30:45,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:45,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 23:30:45,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559889552] [2020-08-18 23:30:45,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 23:30:45,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:45,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 23:30:45,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 23:30:45,764 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-18 23:30:46,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:46,032 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-18 23:30:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 23:30:46,033 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-18 23:30:46,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:46,035 INFO L225 Difference]: With dead ends: 188 [2020-08-18 23:30:46,035 INFO L226 Difference]: Without dead ends: 101 [2020-08-18 23:30:46,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-18 23:30:46,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-18 23:30:46,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-18 23:30:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-18 23:30:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-18 23:30:46,047 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-18 23:30:46,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:46,047 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-18 23:30:46,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 23:30:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-18 23:30:46,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 23:30:46,051 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:46,052 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:46,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 23:30:46,052 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:46,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:46,053 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-18 23:30:46,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:46,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716996845] [2020-08-18 23:30:46,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-18 23:30:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-18 23:30:46,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716996845] [2020-08-18 23:30:46,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:46,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 23:30:46,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504542025] [2020-08-18 23:30:46,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 23:30:46,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:46,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 23:30:46,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:30:46,506 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-18 23:30:47,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:47,083 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-18 23:30:47,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 23:30:47,086 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-18 23:30:47,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:47,088 INFO L225 Difference]: With dead ends: 224 [2020-08-18 23:30:47,088 INFO L226 Difference]: Without dead ends: 131 [2020-08-18 23:30:47,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-18 23:30:47,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-18 23:30:47,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-18 23:30:47,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-18 23:30:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-18 23:30:47,104 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-18 23:30:47,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:47,104 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-18 23:30:47,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 23:30:47,104 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-18 23:30:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 23:30:47,107 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:47,107 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:47,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-18 23:30:47,107 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:47,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:47,108 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-18 23:30:47,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:47,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502780689] [2020-08-18 23:30:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:30:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-18 23:30:47,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502780689] [2020-08-18 23:30:47,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:47,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 23:30:47,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179381475] [2020-08-18 23:30:47,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 23:30:47,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:47,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 23:30:47,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-18 23:30:47,438 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-18 23:30:47,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:47,742 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-18 23:30:47,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 23:30:47,742 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-18 23:30:47,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:47,746 INFO L225 Difference]: With dead ends: 244 [2020-08-18 23:30:47,746 INFO L226 Difference]: Without dead ends: 240 [2020-08-18 23:30:47,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-18 23:30:47,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-18 23:30:47,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-18 23:30:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-18 23:30:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-18 23:30:47,765 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-18 23:30:47,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:47,765 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-18 23:30:47,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 23:30:47,765 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-18 23:30:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-18 23:30:47,770 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:47,770 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:47,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-18 23:30:47,771 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:47,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:47,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-18 23:30:47,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:47,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265554446] [2020-08-18 23:30:47,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:47,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 23:30:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-18 23:30:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 23:30:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 167 proven. 362 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2020-08-18 23:30:48,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265554446] [2020-08-18 23:30:48,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:48,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 23:30:48,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596394740] [2020-08-18 23:30:48,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 23:30:48,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:48,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 23:30:48,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 23:30:48,317 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-18 23:30:48,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:48,595 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-18 23:30:48,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 23:30:48,596 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-18 23:30:48,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:48,601 INFO L225 Difference]: With dead ends: 429 [2020-08-18 23:30:48,601 INFO L226 Difference]: Without dead ends: 225 [2020-08-18 23:30:48,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-18 23:30:48,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-18 23:30:48,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-18 23:30:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-18 23:30:48,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-18 23:30:48,622 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-18 23:30:48,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:48,624 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-18 23:30:48,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 23:30:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-18 23:30:48,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-18 23:30:48,629 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:48,629 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:48,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-18 23:30:48,629 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:48,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:48,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-18 23:30:48,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:48,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779590245] [2020-08-18 23:30:48,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:48,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:30:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:30:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-18 23:30:49,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779590245] [2020-08-18 23:30:49,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:49,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 23:30:49,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846955766] [2020-08-18 23:30:49,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 23:30:49,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:49,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 23:30:49,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-18 23:30:49,440 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-18 23:30:49,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:49,842 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-18 23:30:49,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 23:30:49,842 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-18 23:30:49,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:49,853 INFO L225 Difference]: With dead ends: 469 [2020-08-18 23:30:49,853 INFO L226 Difference]: Without dead ends: 465 [2020-08-18 23:30:49,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-18 23:30:49,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-18 23:30:49,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-18 23:30:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-18 23:30:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-18 23:30:49,890 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-18 23:30:49,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:49,892 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-18 23:30:49,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 23:30:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-18 23:30:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-18 23:30:49,899 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:49,899 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 22, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:49,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-18 23:30:49,899 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:49,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:49,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-18 23:30:49,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:49,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820134298] [2020-08-18 23:30:49,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:30:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-18 23:30:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-18 23:30:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 297 proven. 795 refuted. 0 times theorem prover too weak. 2677 trivial. 0 not checked. [2020-08-18 23:30:50,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820134298] [2020-08-18 23:30:50,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:50,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 23:30:50,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524163351] [2020-08-18 23:30:50,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 23:30:50,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:50,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 23:30:51,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:30:51,001 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-18 23:30:51,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:51,485 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-18 23:30:51,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-18 23:30:51,486 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-18 23:30:51,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:51,501 INFO L225 Difference]: With dead ends: 924 [2020-08-18 23:30:51,501 INFO L226 Difference]: Without dead ends: 493 [2020-08-18 23:30:51,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-18 23:30:51,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-18 23:30:51,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-18 23:30:51,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-18 23:30:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-18 23:30:51,549 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-18 23:30:51,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:51,550 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-18 23:30:51,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 23:30:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-18 23:30:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-18 23:30:51,565 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:51,566 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 40, 40, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 13, 13, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:51,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-18 23:30:51,566 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:51,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:51,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1718075054, now seen corresponding path program 7 times [2020-08-18 23:30:51,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:51,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051517616] [2020-08-18 23:30:51,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:51,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:51,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:30:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:30:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:30:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:52,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 23:30:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:30:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:30:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 9421 backedges. 593 proven. 1863 refuted. 0 times theorem prover too weak. 6965 trivial. 0 not checked. [2020-08-18 23:30:53,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051517616] [2020-08-18 23:30:53,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:53,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 23:30:53,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185530260] [2020-08-18 23:30:53,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 23:30:53,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:53,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 23:30:53,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 23:30:53,635 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 18 states. [2020-08-18 23:30:54,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:54,734 INFO L93 Difference]: Finished difference Result 836 states and 1442 transitions. [2020-08-18 23:30:54,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-18 23:30:54,735 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 572 [2020-08-18 23:30:54,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:54,745 INFO L225 Difference]: With dead ends: 836 [2020-08-18 23:30:54,745 INFO L226 Difference]: Without dead ends: 395 [2020-08-18 23:30:54,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-08-18 23:30:54,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-08-18 23:30:54,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 327. [2020-08-18 23:30:54,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-08-18 23:30:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 502 transitions. [2020-08-18 23:30:54,801 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 502 transitions. Word has length 572 [2020-08-18 23:30:54,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:54,806 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 502 transitions. [2020-08-18 23:30:54,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 23:30:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 502 transitions. [2020-08-18 23:30:54,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-18 23:30:54,811 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:54,812 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 24, 24, 21, 20, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 9, 7, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:54,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-18 23:30:54,813 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:54,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:54,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1572493120, now seen corresponding path program 8 times [2020-08-18 23:30:54,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:54,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060710799] [2020-08-18 23:30:54,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:54,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:54,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:30:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:30:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-18 23:30:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3484 backedges. 422 proven. 756 refuted. 0 times theorem prover too weak. 2306 trivial. 0 not checked. [2020-08-18 23:30:55,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060710799] [2020-08-18 23:30:55,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:55,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 23:30:55,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965422296] [2020-08-18 23:30:55,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 23:30:55,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:55,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 23:30:55,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-18 23:30:55,869 INFO L87 Difference]: Start difference. First operand 327 states and 502 transitions. Second operand 16 states. [2020-08-18 23:30:56,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:56,509 INFO L93 Difference]: Finished difference Result 720 states and 1202 transitions. [2020-08-18 23:30:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-18 23:30:56,509 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 354 [2020-08-18 23:30:56,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:56,516 INFO L225 Difference]: With dead ends: 720 [2020-08-18 23:30:56,517 INFO L226 Difference]: Without dead ends: 415 [2020-08-18 23:30:56,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-18 23:30:56,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-08-18 23:30:56,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 375. [2020-08-18 23:30:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-18 23:30:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 561 transitions. [2020-08-18 23:30:56,562 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 561 transitions. Word has length 354 [2020-08-18 23:30:56,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:56,563 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 561 transitions. [2020-08-18 23:30:56,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 23:30:56,564 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 561 transitions. [2020-08-18 23:30:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-08-18 23:30:56,568 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:56,568 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 23, 23, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:56,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-18 23:30:56,569 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:56,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:56,569 INFO L82 PathProgramCache]: Analyzing trace with hash 634662915, now seen corresponding path program 9 times [2020-08-18 23:30:56,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:56,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880071366] [2020-08-18 23:30:56,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:56,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:56,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:56,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:30:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:30:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 23:30:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4370 backedges. 694 proven. 802 refuted. 0 times theorem prover too weak. 2874 trivial. 0 not checked. [2020-08-18 23:30:57,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880071366] [2020-08-18 23:30:57,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:57,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 23:30:57,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321643716] [2020-08-18 23:30:57,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 23:30:57,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:57,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 23:30:57,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 23:30:57,779 INFO L87 Difference]: Start difference. First operand 375 states and 561 transitions. Second operand 18 states. [2020-08-18 23:30:58,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:58,632 INFO L93 Difference]: Finished difference Result 816 states and 1328 transitions. [2020-08-18 23:30:58,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-18 23:30:58,633 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 395 [2020-08-18 23:30:58,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:58,641 INFO L225 Difference]: With dead ends: 816 [2020-08-18 23:30:58,641 INFO L226 Difference]: Without dead ends: 463 [2020-08-18 23:30:58,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-18 23:30:58,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-08-18 23:30:58,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 399. [2020-08-18 23:30:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-08-18 23:30:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 606 transitions. [2020-08-18 23:30:58,681 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 606 transitions. Word has length 395 [2020-08-18 23:30:58,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:58,683 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 606 transitions. [2020-08-18 23:30:58,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 23:30:58,683 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 606 transitions. [2020-08-18 23:30:58,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-18 23:30:58,688 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:58,689 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 11, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:58,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-18 23:30:58,689 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:58,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:58,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 10 times [2020-08-18 23:30:58,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:58,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138786137] [2020-08-18 23:30:58,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:58,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:58,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:30:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:58,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:30:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:30:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 23:30:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:30:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:30:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:30:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:30:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:59,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1102 proven. 902 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2020-08-18 23:30:59,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138786137] [2020-08-18 23:30:59,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:59,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-18 23:30:59,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912177877] [2020-08-18 23:30:59,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-18 23:30:59,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:59,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-18 23:30:59,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-08-18 23:30:59,900 INFO L87 Difference]: Start difference. First operand 399 states and 606 transitions. Second operand 22 states. [2020-08-18 23:31:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:31:00,951 INFO L93 Difference]: Finished difference Result 886 states and 1553 transitions. [2020-08-18 23:31:00,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-18 23:31:00,951 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-08-18 23:31:00,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:31:00,961 INFO L225 Difference]: With dead ends: 886 [2020-08-18 23:31:00,961 INFO L226 Difference]: Without dead ends: 509 [2020-08-18 23:31:00,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-08-18 23:31:00,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-08-18 23:31:01,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 475. [2020-08-18 23:31:01,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-08-18 23:31:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 773 transitions. [2020-08-18 23:31:01,005 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 773 transitions. Word has length 436 [2020-08-18 23:31:01,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:31:01,006 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 773 transitions. [2020-08-18 23:31:01,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-18 23:31:01,006 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 773 transitions. [2020-08-18 23:31:01,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-08-18 23:31:01,011 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:31:01,011 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 35, 35, 30, 29, 19, 19, 19, 19, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 13, 10, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:31:01,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-18 23:31:01,011 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:31:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:31:01,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1638954211, now seen corresponding path program 11 times [2020-08-18 23:31:01,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:31:01,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51931541] [2020-08-18 23:31:01,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:31:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:31:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:31:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 23:31:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:01,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 1340 proven. 1409 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2020-08-18 23:31:02,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51931541] [2020-08-18 23:31:02,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:31:02,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-08-18 23:31:02,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231506839] [2020-08-18 23:31:02,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-18 23:31:02,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:31:02,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-18 23:31:02,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2020-08-18 23:31:02,585 INFO L87 Difference]: Start difference. First operand 475 states and 773 transitions. Second operand 24 states. [2020-08-18 23:31:04,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:31:04,037 INFO L93 Difference]: Finished difference Result 761 states and 1315 transitions. [2020-08-18 23:31:04,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-08-18 23:31:04,038 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 504 [2020-08-18 23:31:04,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:31:04,043 INFO L225 Difference]: With dead ends: 761 [2020-08-18 23:31:04,043 INFO L226 Difference]: Without dead ends: 307 [2020-08-18 23:31:04,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1052 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=515, Invalid=3145, Unknown=0, NotChecked=0, Total=3660 [2020-08-18 23:31:04,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-08-18 23:31:04,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 262. [2020-08-18 23:31:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-08-18 23:31:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 383 transitions. [2020-08-18 23:31:04,066 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 383 transitions. Word has length 504 [2020-08-18 23:31:04,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:31:04,067 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 383 transitions. [2020-08-18 23:31:04,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-18 23:31:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 383 transitions. [2020-08-18 23:31:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2020-08-18 23:31:04,091 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:31:04,092 INFO L422 BasicCegarLoop]: trace histogram [126, 126, 119, 119, 99, 99, 63, 63, 63, 63, 63, 63, 63, 59, 59, 59, 59, 59, 59, 59, 40, 36, 27, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:31:04,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-18 23:31:04,092 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:31:04,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:31:04,093 INFO L82 PathProgramCache]: Analyzing trace with hash 427401527, now seen corresponding path program 12 times [2020-08-18 23:31:04,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:31:04,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1032617326] [2020-08-18 23:31:04,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:31:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:05,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:31:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:05,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:31:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:05,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 23:31:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:06,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-18 23:31:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 23:31:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:07,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2020-08-18 23:31:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 23:31:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-18 23:31:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:08,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-18 23:31:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:09,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 83942 backedges. 2248 proven. 10082 refuted. 0 times theorem prover too weak. 71612 trivial. 0 not checked. [2020-08-18 23:31:11,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1032617326] [2020-08-18 23:31:11,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:31:11,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-18 23:31:11,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945885543] [2020-08-18 23:31:11,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-18 23:31:11,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:31:11,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-18 23:31:11,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2020-08-18 23:31:11,551 INFO L87 Difference]: Start difference. First operand 262 states and 383 transitions. Second operand 21 states. [2020-08-18 23:31:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:31:12,979 INFO L93 Difference]: Finished difference Result 516 states and 867 transitions. [2020-08-18 23:31:12,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-08-18 23:31:12,979 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1675 [2020-08-18 23:31:12,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:31:12,985 INFO L225 Difference]: With dead ends: 516 [2020-08-18 23:31:12,985 INFO L226 Difference]: Without dead ends: 266 [2020-08-18 23:31:12,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=347, Invalid=2305, Unknown=0, NotChecked=0, Total=2652 [2020-08-18 23:31:12,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-08-18 23:31:13,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 241. [2020-08-18 23:31:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-08-18 23:31:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 352 transitions. [2020-08-18 23:31:13,009 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 352 transitions. Word has length 1675 [2020-08-18 23:31:13,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:31:13,010 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 352 transitions. [2020-08-18 23:31:13,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-18 23:31:13,010 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 352 transitions. [2020-08-18 23:31:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-18 23:31:13,017 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:31:13,018 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:31:13,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-18 23:31:13,020 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:31:13,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:31:13,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 13 times [2020-08-18 23:31:13,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:31:13,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1643667086] [2020-08-18 23:31:13,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:31:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:31:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:31:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:13,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 23:31:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 23:31:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-08-18 23:31:14,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1643667086] [2020-08-18 23:31:14,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:31:14,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 23:31:14,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662209549] [2020-08-18 23:31:14,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 23:31:14,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:31:14,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 23:31:14,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:31:14,925 INFO L87 Difference]: Start difference. First operand 241 states and 352 transitions. Second operand 14 states. [2020-08-18 23:31:15,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:31:15,353 INFO L93 Difference]: Finished difference Result 686 states and 1079 transitions. [2020-08-18 23:31:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-18 23:31:15,353 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-18 23:31:15,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:31:15,363 INFO L225 Difference]: With dead ends: 686 [2020-08-18 23:31:15,364 INFO L226 Difference]: Without dead ends: 682 [2020-08-18 23:31:15,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-18 23:31:15,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-08-18 23:31:15,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 648. [2020-08-18 23:31:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-08-18 23:31:15,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1012 transitions. [2020-08-18 23:31:15,405 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1012 transitions. Word has length 749 [2020-08-18 23:31:15,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:31:15,406 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 1012 transitions. [2020-08-18 23:31:15,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 23:31:15,406 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1012 transitions. [2020-08-18 23:31:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1962 [2020-08-18 23:31:15,439 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:31:15,440 INFO L422 BasicCegarLoop]: trace histogram [145, 145, 142, 142, 117, 115, 72, 72, 72, 72, 72, 72, 72, 71, 71, 71, 71, 71, 71, 71, 46, 43, 28, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:31:15,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-18 23:31:15,440 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:31:15,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:31:15,441 INFO L82 PathProgramCache]: Analyzing trace with hash -88736994, now seen corresponding path program 14 times [2020-08-18 23:31:15,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:31:15,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566880864] [2020-08-18 23:31:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:31:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:16,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:31:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:16,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:31:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:17,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:17,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:17,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 23:31:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 23:31:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:18,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-18 23:31:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:19,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:19,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:19,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:19,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:19,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:19,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:19,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:19,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:19,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 23:31:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 23:31:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 23:31:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:20,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2020-08-18 23:31:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:21,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 115309 backedges. 7486 proven. 11970 refuted. 0 times theorem prover too weak. 95853 trivial. 0 not checked. [2020-08-18 23:31:24,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566880864] [2020-08-18 23:31:24,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:31:24,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-08-18 23:31:24,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995015134] [2020-08-18 23:31:24,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-08-18 23:31:24,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:31:24,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-08-18 23:31:24,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=914, Unknown=0, NotChecked=0, Total=1056 [2020-08-18 23:31:24,786 INFO L87 Difference]: Start difference. First operand 648 states and 1012 transitions. Second operand 33 states. [2020-08-18 23:31:27,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:31:27,365 INFO L93 Difference]: Finished difference Result 995 states and 1731 transitions. [2020-08-18 23:31:27,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-08-18 23:31:27,366 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1961 [2020-08-18 23:31:27,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:31:27,373 INFO L225 Difference]: With dead ends: 995 [2020-08-18 23:31:27,373 INFO L226 Difference]: Without dead ends: 371 [2020-08-18 23:31:27,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2952 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=986, Invalid=7944, Unknown=0, NotChecked=0, Total=8930 [2020-08-18 23:31:27,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-08-18 23:31:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 306. [2020-08-18 23:31:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-08-18 23:31:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 462 transitions. [2020-08-18 23:31:27,405 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 462 transitions. Word has length 1961 [2020-08-18 23:31:27,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:31:27,406 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 462 transitions. [2020-08-18 23:31:27,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-08-18 23:31:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 462 transitions. [2020-08-18 23:31:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1962 [2020-08-18 23:31:27,451 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:31:27,453 INFO L422 BasicCegarLoop]: trace histogram [144, 144, 143, 143, 116, 116, 72, 72, 72, 72, 72, 72, 72, 71, 71, 71, 71, 71, 71, 71, 45, 44, 28, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:31:27,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-18 23:31:27,453 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:31:27,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:31:27,455 INFO L82 PathProgramCache]: Analyzing trace with hash -23958708, now seen corresponding path program 15 times [2020-08-18 23:31:27,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:31:27,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196187786] [2020-08-18 23:31:27,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:31:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:28,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:31:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:28,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 23:31:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:30,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:30,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:30,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 23:31:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 23:31:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-18 23:31:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 23:31:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:31,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 23:31:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 23:31:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 23:31:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 23:31:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:31:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:31:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:31:32,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 23:31:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat